bddnf=# show all;
              name               |                           setting                |                                         description
 ---------------------------------+--------------------------------------------------------------+---------------------------------------------------------------------------------------------
 add_missing_from                | off                | Automatically adds missing table references to FROM clauses.
 archive_command                 | unset                | WAL archiving command.
 australian_timezones            | off                | Interprets ACST, CST, EST, and SAT as Australian time zones.
 authentication_timeout          | 60                | Sets the maximum time in seconds to complete client authentication.
 autovacuum                      | off                | Starts the autovacuum subprocess.
 autovacuum_analyze_scale_factor | 0.2                | Number of tuple inserts, updates or deletes prior to analyze as a fraction of reltuples.
 autovacuum_analyze_threshold    | 500                | Minimum number of tuple inserts, updates or deletes prior to analyze.
 autovacuum_naptime              | 60                | Time to sleep between autovacuum runs, in seconds.
 autovacuum_vacuum_cost_delay    | -1                | Vacuum cost delay in milliseconds, for autovacuum.
 autovacuum_vacuum_cost_limit    | -1                | Vacuum cost amount available before napping, for autovacuum.
 autovacuum_vacuum_scale_factor  | 0.4                | Number of tuple updates or deletes prior to vacuum as a fraction of reltuples.
 autovacuum_vacuum_threshold     | 1000                | Minimum number of tuple updates or deletes prior to vacuum.
 bgwriter_all_maxpages           | 5                | Background writer maximum number of all pages to flush per round
 bgwriter_all_percent            | 0.333                | Background writer percentage of all buffers to flush per round
 bgwriter_delay                  | 2000                | Background writer sleep time between rounds in milliseconds
 bgwriter_lru_maxpages           | 5                | Background writer maximum number of LRU pages to flush per round
 bgwriter_lru_percent            | 1                | Background writer percentage of LRU buffers to flush per round
 block_size                      | 8192                | Shows size of a disk block
 bonjour_name                    | unset                | Sets the Bonjour broadcast service name.
 check_function_bodies           | on                | Check function bodies during CREATE FUNCTION.
 checkpoint_segments             | 8                | Sets the maximum distance in log segments between automatic WAL checkpoints.
 checkpoint_timeout              | 800                | Sets the maximum time in seconds between automatic WAL checkpoints.
 checkpoint_warning              | 30                | Logs if filling of checkpoint segments happens more frequently than this (in seconds).
 client_encoding                 | LATIN1                | Sets the client's character set encoding.
 client_min_messages             | notice                | Sets the message levels that are sent to the client.
 commit_delay                    | 0                | Sets the delay in microseconds between transaction commit andflushing WAL to disk.
 commit_siblings                 | 5                | Sets the minimum concurrent open transactions before performing commit_delay.
 config_file                     | C:/Arquivos de programas/PostgreSQL/8.1/data/postgresql.conf | Sets the server's main configuration file.
 constraint_exclusion            | off                | Enables the planner to use constraints to optimize queries.
 cpu_index_tuple_cost            | 0.001                | Sets the planner's estimate of processing cost for each index tuple (row) during index scan.
 cpu_operator_cost               | 0.0025                | Sets the planner's estimate of processing cost of each operator in WHERE.
 cpu_tuple_cost                  | 0.01                | Sets the planner's estimate of the cost of processing each tuple (row).
 custom_variable_classes         | unset                | Sets the list of known custom variable classes.
 data_directory                  | C:/Arquivos de programas/PostgreSQL/8.1/data                | Sets the server's data directory.
 DateStyle                       | ISO, MDY                | Sets the display format for date and time values.
 db_user_namespace               | off                | Enables per-database user names.
 deadlock_timeout                | 1000                | The time in milliseconds to wait on lock before checking for deadlock.
 debug_pretty_print              | off                | Indents parse and plan tree displays.
 debug_print_parse               | off                | Prints the parse tree to the server log.
 debug_print_plan                | off                | Prints the execution plan to server log.
 debug_print_rewritten           | off                | Prints the parse tree after rewriting to server log.
 default_statistics_target       | 10                | Sets the default statistics target.
 default_tablespace              | unset                | Sets the default tablespace to create tables and indexes in.
 default_transaction_isolation   | read committed                | Sets the transaction isolation level of each new transaction.
 default_transaction_read_only   | off                | Sets the default read-only status of new transactions.
 default_with_oids               | off                | Create new tables with OIDs by default.
 dynamic_library_path            | $libdir                | Sets the path for dynamically loadable modules.
 effective_cache_size            | 8192                | Sets the planner's assumption about size of the disk cache.
 enable_bitmapscan               | on                | Enables the planner's use of bitmap-scan plans.
 enable_hashagg                  | on                | Enables the planner's use of hashed aggregation plans.
 enable_hashjoin                 | on                | Enables the planner's use of hash join plans.
 enable_indexscan                | on                | Enables the planner's use of index-scan plans.
 enable_mergejoin                | on                | Enables the planner's use of merge join plans.
 enable_nestloop                 | on                | Enables the planner's use of nested-loop join plans.
 enable_seqscan                  | on                | Enables the planner's use of sequential-scan plans.
 enable_sort                     | on                | Enables the planner's use of explicit sort steps.
 enable_tidscan                  | on                | Enables the planner's use of TID scan plans.
 escape_string_warning           | off                | Warn about backslash escapes in ordinary string literals.
 explain_pretty_print            | on                | Uses the indented output format for EXPLAIN VERBOSE.
 external_pid_file               | unset                | Writes the postmaster PID to the specified file.
 extra_float_digits              | 0                | Sets the number of digits displayed for floating-point values.
 from_collapse_limit             | 8                | Sets the FROM-list size beyond which subqueries are not collapsed.
 fsync                           | on                | Forces synchronization of updates to disk.
 full_page_writes                | on                | Writes full pages to WAL when first modified after a checkpoint.
 geqo                            | on                | Enables genetic query optimization.
 geqo_effort                     | 5                | GEQO: effort is used to set the default for other GEQO parameters.
 geqo_generations                | 0                | GEQO: number of iterations of the algorithm.
 geqo_pool_size                  | 0                | GEQO: number of individuals in the population.
 geqo_selection_bias             | 2                | GEQO: selective pressure within the population.
 geqo_threshold                  | 2                | Sets the threshold of FROM items beyond which GEQO is used.
 hba_file                        | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_hba.conf     | Sets the server's "hba" configuration file
 ident_file                      | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_ident.conf   | Sets the server's "ident" configuration file
 integer_datetimes               | off                | Datetimes are integer based.
 join_collapse_limit             | 8                | Sets the FROM-list size beyond which JOIN constructs are not flattened.
 krb_caseins_users               | off                | Sets whether Kerberos user names should be treated as case-ins
ensitive.
 krb_server_hostname             | unset                | Sets the hostname of the Kerberos server.
 krb_server_keyfile              | FILE:/usr/local/pgsql/etc/krb5.keytab                | Sets the location of the Kerberos server key file.
 krb_srvname                     | postgres                | Sets the name of the Kerberos service.
 lc_collate                      | C                | Shows the collation order locale.
 lc_ctype                        | C                | Shows the character classification and case conversion locale.
 lc_messages                     | C                | Sets the language in which messages are displayed.
 lc_monetary                     | C                | Sets the locale for formatting monetary amounts.
 lc_numeric                      | C                | Sets the locale for formatting numbers.
 lc_time                         | C                | Sets the locale for formatting date and time values.
 listen_addresses                | *                | Sets the host name or IP address(es) to listen to.
 log_connections                 | off                | Logs each successful connection.
 log_destination                 | stderr                | Sets the destination for server log output.
 log_directory                   | pg_log                | Sets the destination directory for log files.
 log_disconnections              | off                | Logs end of a session, including duration.
 log_duration                    | off                | Logs the duration of each completed SQL statement.
 log_error_verbosity             | default                | Sets the verbosity of logged messages.
 log_executor_stats              | off                | Writes executor performance statistics to the server log.
 log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log                | Sets the file name pattern for log files.
 log_hostname                    | off                | Logs the host name in the connection logs.
 log_line_prefix                 | %t                | Controls information prefixed to each log line
 log_min_duration_statement      | -1                | Sets the minimum execution time in milliseconds above which statements will be logged.
 log_min_error_statement         | panic                | Causes all statements generating error at or above this level to be logged.
 log_min_messages                | notice                | Sets the message levels that are logged.
 log_parser_stats                | off                | Writes parser performance statistics to the server log.
 log_planner_stats               | off                | Writes planner performance statistics to the server log.
 log_rotation_age                | 1440                | Automatic log file rotation will occur after N minutes
 log_rotation_size               | 10240                | Automatic log file rotation will occur after N kilobytes
 log_statement                   | none                | Sets the type of statements logged.
 log_statement_stats             | off                | Writes cumulative performance statistics to the server log.
 log_truncate_on_rotation        | off                | Truncate existing log files of same name during log rotation.
 maintenance_work_mem            | 16384                | Sets the maximum memory to be used for maintenance operations.
 max_connections                 | 10                | Sets the maximum number of concurrent connections.
 max_files_per_process           | 1000                | Sets the maximum number of simultaneously open files for each server process.
 max_fsm_pages                   | 20000                | Sets the maximum number of disk pages for which free space is tracked.
 max_fsm_relations               | 1000                | Sets the maximum number of tables and indexes for which free space is tracked.
 max_function_args               | 100                | Shows the maximum number of function arguments.
 max_identifier_length           | 63                | Shows the maximum identifier length
 max_index_keys                  | 32                | Shows the maximum number of index keys.
 max_locks_per_transaction       | 64                | Sets the maximum number of locks per transaction.
 max_prepared_transactions       | 20                | Sets the maximum number of simultaneously prepared transactions.
 max_stack_depth                 | 16535                | Sets the maximum stack depth, in kilobytes.
 password_encryption             | on                | Encrypt passwords.
 port                            | 5432                | Sets the TCP port the server listens on.
 pre_auth_delay                  | 0                | no description available
 preload_libraries               | unset                | Lists shared libraries to preload into server.
 random_page_cost                | 3                | Sets the planner's estimate of the cost of a nonsequentially fetched disk page.
 redirect_stderr                 | on                | Start a subprocess to capture stderr output into log files.
 regex_flavor                    | advanced                | Sets the regular expression "flavor".
 search_path                     | $user,public                | Sets the schema search order for names that are not schema-qualified.
 server_encoding                 | LATIN1                | Sets the server (database) character set encoding.
 server_version                  | 8.1.2                | Shows the server version.
 shared_buffers                  | 16384                | Sets the number of shared memory buffers used by the server.
 silent_mode                     | off                | Runs the server silently.
 sql_inheritance                 | on                | Causes subtables to be included by default in various commands.
 ssl                             | off                | Enables SSL connections.
 standard_conforming_strings     | off                | '...' strings treat backslashes literally.
 statement_timeout               | 0                | Sets the maximum allowed duration (in milliseconds) of any statement.
 stats_block_level               | off                | Collects block-level statistics on database activity.
 stats_command_string            | off                | Collects statistics about executing commands.
 stats_reset_on_server_start     | off                | Zeroes collected statistics on server restart.
 stats_row_level                 | off                | Collects row-level statistics on database activity.
 stats_start_collector           | on                | Starts the server statistics-collection subprocess.
 superuser_reserved_connections  | 2                | Sets the number of connection slots reserved for superusers.
 tcp_keepalives_count            | 0                | Maximum number of TCP keepalive retransmits.
 tcp_keepalives_idle             | 0                | Seconds between issuing TCP keepalives.
 tcp_keepalives_interval         | 0                | Seconds between TCP keepalive retransmits.
 temp_buffers                    | 20000                | Sets the maximum number of temporary buffers used by each session.
 TimeZone                        | GMT3                | Sets the time zone for displaying and interpreting time stamps.
 trace_notify                    | off                | Generates debugging output for LISTEN and NOTIFY.
 trace_sort                      | off                | Emit information about resource usage in sorting.
 transaction_isolation           | read committed                | Sets the current transaction's isolation level.
 transaction_read_only           | off                | Sets the current transaction's read-only status.
 transform_null_equals           | off                | Treats "expr=NULL" as "expr IS NULL".
 unix_socket_directory           | unset                | Sets the directory where the Unix-domain socket will be created.
 unix_socket_group               | unset                | Sets the owning group of the Unix-domain socket.
 unix_socket_permissions         | 511                | Sets the access permissions of the Unix-domain socket.
 vacuum_cost_delay               | 0                | Vacuum cost delay in milliseconds.
 vacuum_cost_limit               | 200                | Vacuum cost amount available before napping.
 vacuum_cost_page_dirty          | 20                | Vacuum cost for a page dirtied by vacuum.
 vacuum_cost_page_hit            | 1                | Vacuum cost for a page found in the buffer cache.
 vacuum_cost_page_miss           | 10                | Vacuum cost for a page not found in the buffer cache.
 wal_buffers                     | 1000                | Sets the number of disk-page buffers in shared memory for WAL.
 wal_sync_method                 | open_datasync                | Selects the method used for forcing WAL updates out to disk.
 work_mem                        | 130000                | Sets the maximum memory to be used for query workspaces.
 zero_damaged_pages              | off                | Continues processing past damaged page headers.
(160 registros)

bddnf=#
 
bddnf=# vacuum analyze;
NOTICE:  number of page slots needed (25760) exceeds max_fsm_pages (20000)
HINT:  Consider increasing the configuration parameter "max_fsm_pages" to a value over 25760.
VACUUM

bddnf=# \di
                                            Lista de relaes
 Esquema |                       Nome                        |  Tipo  |   Dono   |        Tabe
la
---------+---------------------------------------------------+--------+----------+------------
-----------
 public  | agrupamento_erro_pkey                             | ndice | postgres | agrupamento
_erro
 public  | arquivo_processado_pkey                           | ndice | postgres | arquivo_pro
cessado
 public  | cadastro_pkey                                     | ndice | postgres | cadastro
 public  | declaracao_pkey                                   | ndice | postgres | declaracao
 public  | empresa_pkey                                      | ndice | postgres | empresa
 public  | erro_pkey                                         | ndice | postgres | erro
 public  | fki_cadastro_id_declaracao_fkey                   | ndice | postgres | cadastro
 public  | fki_cadastro_id_empresa_fkey                      | ndice | postgres | cadastro
 public  | fki_declaracao_id_arquivo_fkey                    | ndice | postgres | declaracao
 public  | fki_declaracao_id_empresa_fkey                    | ndice | postgres | declaracao
 public  | fki_erro_id_arquivo_fkey                          | ndice | postgres | erro
 public  | fki_erro_id_declaracao_fkey                       | ndice | postgres | erro
 public  | fki_erro_id_tipo_erro_fkey                        | ndice | postgres | erro
 public  | fki_item_nota_id_nf_fkey                          | ndice | postgres | item_nota
 public  | fki_item_nota_id_produto_fkey                     | ndice | postgres | item_nota
 public  | fki_nota_fiscal_id_cadastro_fkey                  | ndice | postgres | nota_fiscal
 public  | fki_processamento_arquivo_id_arquivo_fkey         | ndice | postgres | processamen
to_arquivo
 public  | fki_produto_id_produto_oficial_fkey               | ndice | postgres | produto
 public  | fki_tipo_produto_empresa_id_empresa_fkey          | ndice | postgres | tipo_produt
o_empresa
 public  | fki_tipo_produto_empresa_id_tipo_uso_produto_fkey | ndice | postgres | tipo_produt
o_empresa
 public  | fki_uso_produto_id_produto_fkey                   | ndice | postgres | uso_produto
 public  | fki_uso_produto_id_tipo_uso_produto_fkey          | ndice | postgres | uso_produto
 public  | idx_cnpj_empresa                                  | ndice | postgres | empresa
 public  | idx_co_mercadoria_nao_oficial                     | ndice | postgres | produto
 public  | idx_co_ncm                                        | ndice | postgres | produto
 public  | idx_co_produto_in359                              | ndice | postgres | produto
 public  | idx_co_produto_in445                              | ndice | postgres | produto
 public  | idx_co_produto_in63                               | ndice | postgres | produto
 public  | idx_dh_fim_proc                                   | ndice | postgres | processamen
to_arquivo
 public  | idx_dh_inicio_proc                                | ndice | postgres | processamen
to_arquivo
 public  | idx_dh_recepcao_legal                             | ndice | postgres | declaracao
 public  | idx_dh_recepcao_trans                             | ndice | postgres | declaracao
 public  | idx_dt_emissao                                    | ndice | postgres | nota_fiscal
 public  | idx_dt_referencia                                 | ndice | postgres | declaracao
 public  | idx_no_arquivo                                    | ndice | postgres | arquivo_pro
cessado
 public  | idx_nu_bytes_arq                                  | ndice | postgres | arquivo_pro
cessado
 public  | idx_nu_linha                                      | ndice | postgres | declaracao
 public  | idx_nu_serie_nf                                   | ndice | postgres | nota_fiscal
 public  | idx_nu_severidade                                 | ndice | postgres | erro
 public  | idx_va_total                                      | ndice | postgres | item_nota
 public  | idx_versao_layout                                 | ndice | postgres | declaracao
 public  | item_nota_pkey                                    | ndice | postgres | item_nota
 public  | linha_arquivo_pkey                                | ndice | postgres | linha_arqui
vo
 public  | nota_fiscal_pkey                                  | ndice | postgres | nota_fiscal
 public  | pkteste                                           | ndice | postgres | teste
 public  | processamento_arquivo_pkey                        | ndice | postgres | processamen
to_arquivo
 public  | produto_pkey                                      | ndice | postgres | produto
 public  | prorrogacao_entrega_pkey                          | ndice | postgres | prorrogacao
_entrega
 public  | tipo_erro_pkey                                    | ndice | postgres | tipo_erro
 public  | tipo_produto_empresa_pkey                         | ndice | postgres | tipo_produt
o_empresa
 public  | tipo_uso_produto_pkey                             | ndice | postgres | tipo_uso_pr
oduto
 public  | uso_produto_pkey                                  | ndice | postgres | uso_produto
(52 registros)

bddnf=#
bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                    QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=175833.52..443117.86 rows=1140407 width=766) (actual time=40741.586..88057.658 rows=1151043 loops=1)
   Hash Cond: ("outer".id_nf = "inner".id_nf)
   ->  Seq Scan on item_nota inf  (cost=0.00..64991.22 rows=2359722 width=159) (actual time=10.005..17769.694 rows=2359722 loops=1)
   ->  Hash  (cost=118340.81..118340.81 rows=713082 width=607) (actual time=40731.260..40731.260 rows=719746 loops=1)
         ->  Hash Join  (cost=5925.15..118340.81 rows=713082 width=607) (actual time=10648.040..34900.710 rows=719746 loops=1)
               Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
               ->  Seq Scan on nota_fiscal nf  (cost=0.00..86841.04 rows=1475504 width=206) (actual time=1885.818..27930.209 rows=1475504 loops=1)
               ->  Hash  (cost=5906.47..5906.47 rows=7472 width=401) (actual time=2440.188..2440.188 rows=7467 loops=1)
                     ->  Hash Join  (cost=301.23..5906.47 rows=7472 width=401) (actual time=2142.529..2396.596 rows=7467 loops=1)
                           Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
                           ->  Seq Scan on cadastro cad  (cost=0.00..5298.61 rows=15461 width=296) (actual time=2039.040..2327.532 rows=15461 loops=1)
                           ->  Hash  (cost=289.44..289.44 rows=4715 width=105) (actual time=25.118..25.118 rows=4667 loops=1)
                                 ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.50..289.44 rows=4715 width=105) (actual time=1.704..12.319 rows=4667 loops=1)
                                       Recheck Cond: (id_arquivo = 1)
                                       ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.50 rows=4715 width=0) (actual time=1.643..1.643 rows=4667 loops=1)
                                             Index Cond: (id_arquivo = 1)
 Total runtime: 88945.649 ms
(17 registros)

bddnf=#
bddnf=# show all;
              name               |                           setting  |                                         description
---------------------------------+--------------------------------------------------------------+----------------------------------------------------------------------------------------------
 add_missing_from                | off  | Automatically adds missing table references to FROM clauses.
 archive_command                 | unset  | WAL archiving command.
 australian_timezones            | off  | Interprets ACST, CST, EST, and SAT as Australian time zones.
 authentication_timeout          | 60  | Sets the maximum time in seconds to complete client authentication.
 autovacuum                      | off  | Starts the autovacuum subprocess.
 autovacuum_analyze_scale_factor | 0.2  | Number of tuple inserts, updates or deletes prior to analyze as a fraction of reltuples.
 autovacuum_analyze_threshold    | 500  | Minimum number of tuple inserts, updates or deletes prior to analyze.
 autovacuum_naptime              | 60  | Time to sleep between autovacuum runs, in seconds.
 autovacuum_vacuum_cost_delay    | -1  | Vacuum cost delay in milliseconds, for autovacuum.
 autovacuum_vacuum_cost_limit    | -1  | Vacuum cost amount available before napping, for autovacuum.
 autovacuum_vacuum_scale_factor  | 0.4  | Number of tuple updates or deletes prior to vacuum as a fraction of reltuples.
 autovacuum_vacuum_threshold     | 1000  | Minimum number of tuple updates or deletes prior to vacuum.
 bgwriter_all_maxpages           | 5  | Background writer maximum number of all pages to flush per round
 bgwriter_all_percent            | 0.333  | Background writer percentage of all buffers to flush per round
 bgwriter_delay                  | 2000  | Background writer sleep time between rounds in milliseconds
 bgwriter_lru_maxpages           | 5  | Background writer maximum number of LRU pages to flush per round
 bgwriter_lru_percent            | 1  | Background writer percentage of LRU buffers to flush per round
 block_size                      | 8192  | Shows size of a disk block
 bonjour_name                    | unset  | Sets the Bonjour broadcast service name.
 check_function_bodies           | on  | Check function bodies during CREATE FUNCTION.
 checkpoint_segments             | 8  | Sets the maximum distance in log segments between automatic WAL checkpoints.
 checkpoint_timeout              | 800  | Sets the maximum time in seconds between automatic WAL checkpoints.
 checkpoint_warning              | 30  | Logs if filling of checkpoint segments happens more frequently than this (in seconds).
 client_encoding                 | LATIN1  | Sets the client's character set encoding.
 client_min_messages             | notice  | Sets the message levels that are sent to the client.
 commit_delay                    | 0  | Sets the delay in microseconds between transaction commit and flushing WAL to disk.
 commit_siblings                 | 5  | Sets the minimum concurrent open transactions before performing commit_delay.
 config_file                     | C:/Arquivos de programas/PostgreSQL/8.1/data/postgresql.conf | Sets the server's main configuration file.
 constraint_exclusion            | off  | Enables the planner to use constraints to optimize queries.
 cpu_index_tuple_cost            | 0.001  | Sets the planner's estimate of processing cost for each index tuple (row) during index scan.
 cpu_operator_cost               | 0.0025  | Sets the planner's estimate of processing cost of each operator in WHERE.
 cpu_tuple_cost                  | 0.01  | Sets the planner's estimate of the cost of processing each tuple (row).
 custom_variable_classes         | unset  | Sets the list of known custom variable classes.
 data_directory                  | C:/Arquivos de programas/PostgreSQL/8.1/data  | Sets the server's data directory.
 DateStyle                       | ISO, MDY  | Sets the display format for date and time values.
 db_user_namespace               | off  | Enables per-database user names.
 deadlock_timeout                | 1000  | The time in milliseconds to wait on lock before checking for deadlock.
 debug_pretty_print              | off  | Indents parse and plan tree displays.
 debug_print_parse               | off  | Prints the parse tree to the server log.
 debug_print_plan                | off  | Prints the execution plan to server log.
 debug_print_rewritten           | off  | Prints the parse tree after rewriting to server log.
 default_statistics_target       | 10  | Sets the default statistics target.
 default_tablespace              | unset  | Sets the default tablespace to create tables and indexes in.
 default_transaction_isolation   | read committed  | Sets the transaction isolation level of each new transaction.
 default_transaction_read_only   | off  | Sets the default read-only status of new transactions.
 default_with_oids               | off  | Create new tables with OIDs by default.
 dynamic_library_path            | $libdir  | Sets the path for dynamically loadable modules.
 effective_cache_size            | 262144  | Sets the planner's assumption about size of the disk cache.
 enable_bitmapscan               | on  | Enables the planner's use of bitmap-scan plans.
 enable_hashagg                  | on  | Enables the planner's use of hashed aggregation plans.
 enable_hashjoin                 | on  | Enables the planner's use of hash join plans.
 enable_indexscan                | on  | Enables the planner's use of index-scan plans.
 enable_mergejoin                | on  | Enables the planner's use of merge join plans.
 enable_nestloop                 | on  | Enables the planner's use of nested-loop join plans.
 enable_seqscan                  | on  | Enables the planner's use of sequential-scan plans.
 enable_sort                     | on  | Enables the planner's use of explicit sort steps.
 enable_tidscan                  | on  | Enables the planner's use of TID scan plans.
 escape_string_warning           | off  | Warn about backslash escapes in ordinary string literals.
 explain_pretty_print            | on  | Uses the indented output format for EXPLAIN VERBOSE.
 external_pid_file               | unset  | Writes the postmaster PID to the specified file.
 extra_float_digits              | 0  | Sets the number of digits displayed for floating-point values.
 from_collapse_limit             | 8  | Sets the FROM-list size beyond which subqueries are not collapsed.
 fsync                           | on  | Forces synchronization of updates to disk.
 full_page_writes                | on  | Writes full pages to WAL when first modified after a checkpoint.
 geqo                            | on  | Enables genetic query optimization.
 geqo_effort                     | 5  | GEQO: effort is used to set the default for other GEQO parameters.
 geqo_generations                | 0  | GEQO: number of iterations of the algorithm.
 geqo_pool_size                  | 0  | GEQO: number of individuals in the population.
 geqo_selection_bias             | 2  | GEQO: selective pressure within the population.
 geqo_threshold                  | 2  | Sets the threshold of FROM items beyond which GEQO is used.
 hba_file                        | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_hba.conf  | Sets the server's "hba" configuration file
 ident_file                      | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_ident.conf  | Sets the server's "ident" configuration file
 integer_datetimes               | off  | Datetimes are integer based.
 join_collapse_limit             | 8  | Sets the FROM-list size beyond which JOIN constructs are not flattened.
 krb_caseins_users               | off  | Sets whether Kerberos user names should be treated as case-insensitive.
 krb_server_hostname             | unset  | Sets the hostname of the Kerberos server.
 krb_server_keyfile              | FILE:/usr/local/pgsql/etc/krb5.keytab  | Sets the location of the Kerberos server key file.
 krb_srvname                     | postgres  | Sets the name of the Kerberos service.
 lc_collate                      | C  | Shows the collation order locale.
 lc_ctype                        | C  | Shows the character classification and case conversion locale.
 lc_messages                     | C  | Sets the language in which messages are displayed.
 lc_monetary                     | C  | Sets the locale for formatting monetary amounts.
 lc_numeric                      | C  | Sets the locale for formatting numbers.
 lc_time                         | C  | Sets the locale for formatting date and time values.
 listen_addresses                | *  | Sets the host name or IP address(es) to listen to.
 log_connections                 | off  | Logs each successful connection.
 log_destination                 | stderr  | Sets the destination for server log output.
 log_directory                   | pg_log  | Sets the destination directory for log files.
 log_disconnections              | off  | Logs end of a session, including duration.
 log_duration                    | off  | Logs the duration of each completed SQL statement.
 log_error_verbosity             | default  | Sets the verbosity of logged messages.
 log_executor_stats              | off  | Writes executor performance statistics to the server log.
 log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log  | Sets the file name pattern for log files.
 log_hostname                    | off  | Logs the host name in the connection logs.
 log_line_prefix                 | %t  | Controls information prefixed to each log line
 log_min_duration_statement      | -1  | Sets the minimum execution time in milliseconds above which statements will be logged.
 log_min_error_statement         | panic  | Causes all statements generating error at or above this level to be logged.
 log_min_messages                | notice  | Sets the message levels that are logged.
 log_parser_stats                | off  | Writes parser performance statistics to the server log.
 log_planner_stats               | off  | Writes planner performance statistics to the server log.
 log_rotation_age                | 1440  | Automatic log file rotation will occur after N minutes
 log_rotation_size               | 10240  | Automatic log file rotation will occur after N kilobytes
 log_statement                   | none  | Sets the type of statements logged.
 log_statement_stats             | off  | Writes cumulative performance statistics to the server log.
 log_truncate_on_rotation        | off  | Truncate existing log files of same name during log rotation.
 maintenance_work_mem            | 16384  | Sets the maximum memory to be used for maintenance operations.
 max_connections                 | 10  | Sets the maximum number of concurrent connections.
 max_files_per_process           | 1000  | Sets the maximum number of simultaneously open files for each server process.
 max_fsm_pages                   | 80000  | Sets the maximum number of disk pages for which free space is tracked.
 max_fsm_relations               | 2000  | Sets the maximum number of tables and indexes for which free space is tracked.
 max_function_args               | 100  | Shows the maximum number of function arguments.
 max_identifier_length           | 63  | Shows the maximum identifier length
 max_index_keys                  | 32  | Shows the maximum number of index keys.
 max_locks_per_transaction       | 64  | Sets the maximum number of locks per transaction.
 max_prepared_transactions       | 20  | Sets the maximum number of simultaneously prepared transactions.
 max_stack_depth                 | 16535  | Sets the maximum stack depth, in kilobytes.
 password_encryption             | on  | Encrypt passwords.
 port                            | 5432  | Sets the TCP port the server listens on.
 pre_auth_delay                  | 0  | no description available
 preload_libraries               | unset  | Lists shared libraries to preload into server.
 random_page_cost                | 3  | Sets the planner's estimate of the cost of a nonsequentially fetched disk page.
 redirect_stderr                 | on  | Start a subprocess to capture stderr output into log files.
 regex_flavor                    | advanced  | Sets the regular expression "flavor".
 search_path                     | $user,public  | Sets the schema search order for names that are not schema-qualified.
 server_encoding                 | LATIN1  | Sets the server (database) character set encoding.
 server_version                  | 8.1.2  | Shows the server version.
 shared_buffers                  | 32765  | Sets the number of shared memory buffers used by the server.
 silent_mode                     | off  | Runs the server silently.
 sql_inheritance                 | on  | Causes subtables to be included by default in various commands.
 ssl                             | off  | Enables SSL connections.
 standard_conforming_strings     | off  | '...' strings treat backslashes literally.
 statement_timeout               | 0  | Sets the maximum allowed duration (in milliseconds) of any statement.
 stats_block_level               | off  | Collects block-level statistics on database activity.
 stats_command_string            | off  | Collects statistics about executing commands.
 stats_reset_on_server_start     | off  | Zeroes collected statistics on server restart.
 stats_row_level                 | off  | Collects row-level statistics on database activity.
 stats_start_collector           | on  | Starts the server statistics-collection subprocess.
 superuser_reserved_connections  | 2  | Sets the number of connection slots reserved for superusers.
 tcp_keepalives_count            | 0  | Maximum number of TCP keepalive retransmits.
 tcp_keepalives_idle             | 0  | Seconds between issuing TCP keepalives.
 tcp_keepalives_interval         | 0  | Seconds between TCP keepalive retransmits.
 temp_buffers                    | 20000  | Sets the maximum number of temporary buffers used by each session.
 TimeZone                        | GMT3  | Sets the time zone for displaying and interpreting time stamps.
 trace_notify                    | off  | Generates debugging output for LISTEN and NOTIFY.
 trace_sort                      | off  | Emit information about resource usage in sorting.
 transaction_isolation           | read committed  | Sets the current transaction's isolation level.
 transaction_read_only           | off  | Sets the current transaction's read-only status.
 transform_null_equals           | off  | Treats "expr=NULL" as "expr IS NULL".
 unix_socket_directory           | unset  | Sets the directory where the Unix-domain socket will be created.
 unix_socket_group               | unset  | Sets the owning group of the Unix-domain socket.
 unix_socket_permissions         | 511  | Sets the access permissions of the Unix-domain socket.
 vacuum_cost_delay               | 0  | Vacuum cost delay in milliseconds.
 vacuum_cost_limit               | 200  | Vacuum cost amount available before napping.
 vacuum_cost_page_dirty          | 20  | Vacuum cost for a page dirtied by vacuum.
 vacuum_cost_page_hit            | 1  | Vacuum cost for a page found in the buffer cache.
 vacuum_cost_page_miss           | 10  | Vacuum cost for a page not found in the buffer cache.
 wal_buffers                     | 1000  | Sets the number of disk-page buffers in shared memory for WAL.
 wal_sync_method                 | open_datasync  | Selects the method used for forcing WAL updates out to disk.
 work_mem                        | 524288  | Sets the maximum memory to be used for query workspaces.
 zero_damaged_pages              | off  | Continues processing past damaged page headers.
(160 registros)

bddnf=#
BDDNF=# create index idx_nf_id_cadastro on NOTA_FISCAL (ID_CADASTRO);
BDDNF=# create index idx_cad_id_cadastro on CADASTRO (ID_CADASTRO);
BDDNF=# create index idx_inf_id_nf on ITEM_NOTA (ID_NF);
BDDNF=# create index idx_nf_id_nf on NOTA_FISCAL (ID_NF);
BDDNF=# create index idx_dec_id_arquivo_1 on DECLARACAO (ID_ARQUIVO) where ID_ARQUIVO=1;

bddnf=# \di
                                            Lista de relaes
 Esquema |                       Nome                        |  Tipo  |   Dono   |        Tabe
la
---------+---------------------------------------------------+--------+----------+------------
-----------
 public  | agrupamento_erro_pkey                             | ndice | postgres | agrupamento
_erro
 public  | arquivo_processado_pkey                           | ndice | postgres | arquivo_pro
cessado
 public  | cadastro_pkey                                     | ndice | postgres | cadastro
 public  | declaracao_pkey                                   | ndice | postgres | declaracao
 public  | empresa_pkey                                      | ndice | postgres | empresa
 public  | erro_pkey                                         | ndice | postgres | erro
 public  | fki_cadastro_id_declaracao_fkey                   | ndice | postgres | cadastro
 public  | fki_cadastro_id_empresa_fkey                      | ndice | postgres | cadastro
 public  | fki_declaracao_id_arquivo_fkey                    | ndice | postgres | declaracao
 public  | fki_declaracao_id_empresa_fkey                    | ndice | postgres | declaracao
 public  | fki_erro_id_arquivo_fkey                          | ndice | postgres | erro
 public  | fki_erro_id_declaracao_fkey                       | ndice | postgres | erro
 public  | fki_erro_id_tipo_erro_fkey                        | ndice | postgres | erro
 public  | fki_item_nota_id_nf_fkey                          | ndice | postgres | item_nota
 public  | fki_item_nota_id_produto_fkey                     | ndice | postgres | item_nota
 public  | fki_nota_fiscal_id_cadastro_fkey                  | ndice | postgres | nota_fiscal
 public  | fki_processamento_arquivo_id_arquivo_fkey         | ndice | postgres | processamen
to_arquivo
 public  | fki_produto_id_produto_oficial_fkey               | ndice | postgres | produto
 public  | fki_tipo_produto_empresa_id_empresa_fkey          | ndice | postgres | tipo_produt
o_empresa
 public  | fki_tipo_produto_empresa_id_tipo_uso_produto_fkey | ndice | postgres | tipo_produt
o_empresa
 public  | fki_uso_produto_id_produto_fkey                   | ndice | postgres | uso_produto
 public  | fki_uso_produto_id_tipo_uso_produto_fkey          | ndice | postgres | uso_produto
 public  | idx_cad_id_cadastro                               | ndice | postgres | cadastro
 public  | idx_cnpj_empresa                                  | ndice | postgres | empresa
 public  | idx_co_mercadoria_nao_oficial                     | ndice | postgres | produto
 public  | idx_co_ncm                                        | ndice | postgres | produto
 public  | idx_co_produto_in359                              | ndice | postgres | produto
 public  | idx_co_produto_in445                              | ndice | postgres | produto
 public  | idx_co_produto_in63                               | ndice | postgres | produto
 public  | idx_dec_id_arquivo_1                              | ndice | postgres | declaracao
 public  | idx_dh_fim_proc                                   | ndice | postgres | processamen
to_arquivo
 public  | idx_dh_inicio_proc                                | ndice | postgres | processamen
to_arquivo
 public  | idx_dh_recepcao_legal                             | ndice | postgres | declaracao
 public  | idx_dh_recepcao_trans                             | ndice | postgres | declaracao
 public  | idx_dt_emissao                                    | ndice | postgres | nota_fiscal
 public  | idx_dt_referencia                                 | ndice | postgres | declaracao
 public  | idx_inf_id_nf                                     | ndice | postgres | item_nota
 public  | idx_nf_id_cadastro                                | ndice | postgres | nota_fiscal
 public  | idx_nf_id_nf                                      | ndice | postgres | nota_fiscal
 public  | idx_no_arquivo                                    | ndice | postgres | arquivo_pro
cessado
 public  | idx_nu_bytes_arq                                  | ndice | postgres | arquivo_pro
cessado
 public  | idx_nu_linha                                      | ndice | postgres | declaracao
 public  | idx_nu_serie_nf                                   | ndice | postgres | nota_fiscal
 public  | idx_nu_severidade                                 | ndice | postgres | erro
 public  | idx_va_total                                      | ndice | postgres | item_nota
 public  | idx_versao_layout                                 | ndice | postgres | declaracao
 public  | item_nota_pkey                                    | ndice | postgres | item_nota
 public  | linha_arquivo_pkey                                | ndice | postgres | linha_arqui
vo
 public  | nota_fiscal_pkey                                  | ndice | postgres | nota_fiscal
 public  | pkteste                                           | ndice | postgres | teste
 public  | processamento_arquivo_pkey                        | ndice | postgres | processamen
to_arquivo
 public  | produto_pkey                                      | ndice | postgres | produto
 public  | prorrogacao_entrega_pkey                          | ndice | postgres | prorrogacao
_entrega
 public  | tipo_erro_pkey                                    | ndice | postgres | tipo_erro
 public  | tipo_produto_empresa_pkey                         | ndice | postgres | tipo_produt
o_empresa
 public  | tipo_uso_produto_pkey                             | ndice | postgres | tipo_uso_pr
oduto
 public  | uso_produto_pkey                                  | ndice | postgres | uso_produto
(57 registros)

bddnf=#



bddnf=# show all;
              name               |                           setting                            |                                         d
escription
---------------------------------+--------------------------------------------------------------+------------------------------------------
----------------------------------------------------
 add_missing_from                | off                                                          | Automatically adds missing table references to FROM clauses.
 archive_command                 | unset                                                        | WAL archiving command.
 australian_timezones            | off                                                          | Interprets ACST, CST, EST, and SAT as Australian time zones.
 authentication_timeout          | 60                                                           | Sets the maximum time in seconds to complete client authentication.
 autovacuum                      | off                                                          | Starts the autovacuum subprocess.
 autovacuum_analyze_scale_factor | 0.2                                                          | Number of tuple inserts, updates or deletes prior to analyze as a fraction of reltuples.
 autovacuum_analyze_threshold    | 500                                                          | Minimum number of tuple inserts, updatesor deletes prior to analyze.
 autovacuum_naptime              | 60                                                           | Time to sleep between autovacuum runs, in seconds.
 autovacuum_vacuum_cost_delay    | -1                                                           | Vacuum cost delay in milliseconds, for autovacuum.
 autovacuum_vacuum_cost_limit    | -1                                                           | Vacuum cost amount available before napping, for autovacuum.
 autovacuum_vacuum_scale_factor  | 0.4                                                          | Number of tuple updates or deletes priorto vacuum as a fraction of reltuples.
 autovacuum_vacuum_threshold     | 1000                                                         | Minimum number of tuple updates or deletes prior to vacuum.
 bgwriter_all_maxpages           | 5                                                            | Background writer maximum number of allpages to flush per round
 bgwriter_all_percent            | 0.333                                                        | Background writer percentage of all buffers to flush per round
 bgwriter_delay                  | 2000                                                         | Background writer sleep time between rounds in milliseconds
 bgwriter_lru_maxpages           | 5                                                            | Background writer maximum number of LRU pages to flush per round
 bgwriter_lru_percent            | 1                                                            | Background writer percentage of LRU buffers to flush per round
 block_size                      | 8192                                                         | Shows size of a disk block
 bonjour_name                    | unset                                                        | Sets the Bonjour broadcast service name.
 check_function_bodies           | on                                                           | Check function bodies during CREATE FUNCTION.
 checkpoint_segments             | 8                                                            | Sets the maximum distance in log segments between automatic WAL checkpoints.
 checkpoint_timeout              | 800                                                          | Sets the maximum time in seconds betweenautomatic WAL checkpoints.
 checkpoint_warning              | 30                                                           | Logs if filling of checkpoint segments happens more frequently than this (in seconds).
 client_encoding                 | LATIN1                                                       | Sets the client's character set encoding.
 client_min_messages             | notice                                                       | Sets the message levels that are sent tothe client.
 commit_delay                    | 0                                                            | Sets the delay in microseconds between transaction commit and flushing WAL to disk.
 commit_siblings                 | 5                                                            | Sets the minimum concurrent open transactions before performing commit_delay.
 config_file                     | C:/Arquivos de programas/PostgreSQL/8.1/data/postgresql.conf | Sets the server's main configuration file.
 constraint_exclusion            | off                                                          | Enables the planner to use constraints to optimize queries.
 cpu_index_tuple_cost            | 0.001                                                        | Sets the planner's estimate of processing cost for each index tuple (row) during index scan.
 cpu_operator_cost               | 0.0025                                                       | Sets the planner's estimate of processing cost of each operator in WHERE.
 cpu_tuple_cost                  | 0.01                                                         | Sets the planner's estimate of the cost o
f processing each tuple (row).
 custom_variable_classes         | unset                                                        | Sets the list of known custom variable cl
asses.
 data_directory                  | C:/Arquivos de programas/PostgreSQL/8.1/data                 | Sets the server's data directory.
 DateStyle                       | ISO, MDY                                                     | Sets the display format for date and time
 values.
 db_user_namespace               | off                                                          | Enables per-database user names.
 deadlock_timeout                | 1000                                                         | The time in milliseconds to wait on lock
before checking for deadlock.
 debug_pretty_print              | off                                                          | Indents parse and plan tree displays.
 debug_print_parse               | off                                                          | Prints the parse tree to the server log.
 debug_print_plan                | off                                                          | Prints the execution plan to server log.
 debug_print_rewritten           | off                                                          | Prints the parse tree after rewriting to
server log.
 default_statistics_target       | 10                                                           | Sets the default statistics target.
 default_tablespace              | unset                                                        | Sets the default tablespace to create tab
les and indexes in.
 default_transaction_isolation   | read committed                                               | Sets the transaction isolation level of e
ach new transaction.
 default_transaction_read_only   | off                                                          | Sets the default read-only status of new
transactions.
 default_with_oids               | off                                                          | Create new tables with OIDs by default.
 dynamic_library_path            | $libdir                                                      | Sets the path for dynamically loadable mo
dules.
 effective_cache_size            | 100000                                                       | Sets the planner's assumption about size
of the disk cache.
 enable_bitmapscan               | on                                                           | Enables the planner's use of bitmap-scan
plans.
 enable_hashagg                  | on                                                           | Enables the planner's use of hashed aggre
gation plans.
 enable_hashjoin                 | on                                                           | Enables the planner's use of hash join pl
ans.
 enable_indexscan                | on                                                           | Enables the planner's use of index-scan p
lans.
 enable_mergejoin                | on                                                           | Enables the planner's use of merge join p
lans.
 enable_nestloop                 | on                                                           | Enables the planner's use of nested-loop
join plans.
 enable_seqscan                  | on                                                           | Enables the planner's use of sequential-s
can plans.
 enable_sort                     | on                                                           | Enables the planner's use of explicit sor
t steps.
 enable_tidscan                  | on                                                           | Enables the planner's use of TID scan pla
ns.
 escape_string_warning           | off                                                          | Warn about backslash escapes in ordinary
string literals.
 explain_pretty_print            | on                                                           | Uses the indented output format for EXPLA
IN VERBOSE.
 external_pid_file               | unset                                                        | Writes the postmaster PID to the specifie
d file.
 extra_float_digits              | 0                                                            | Sets the number of digits displayed for f
loating-point values.
 from_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which subq
ueries are not collapsed.
 fsync                           | on                                                           | Forces synchronization of updates to disk
.
 full_page_writes                | on                                                           | Writes full pages to WAL when first modif
ied after a checkpoint.
 geqo                            | on                                                           | Enables genetic query optimization.
 geqo_effort                     | 5                                                            | GEQO: effort is used to set the default f
or other GEQO parameters.
 geqo_generations                | 0                                                            | GEQO: number of iterations of the algorit
hm.
 geqo_pool_size                  | 0                                                            | GEQO: number of individuals in the popula
tion.
 geqo_selection_bias             | 2                                                            | GEQO: selective pressure within the popul
ation.
 geqo_threshold                  | 2                                                            | Sets the threshold of FROM items beyond w
hich GEQO is used.
 hba_file                        | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_hba.conf     | Sets the server's "hba" configuration fil
e
 ident_file                      | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_ident.conf   | Sets the server's "ident" configuration f
ile
 integer_datetimes               | off                                                          | Datetimes are integer based.
 join_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which JOIN
 constructs are not flattened.
 krb_caseins_users               | off                                                          | Sets whether Kerberos user names should b
e treated as case-insensitive.
 krb_server_hostname             | unset                                                        | Sets the hostname of the Kerberos server.
 krb_server_keyfile              | FILE:/usr/local/pgsql/etc/krb5.keytab                        | Sets the location of the Kerberos server
key file.
 krb_srvname                     | postgres                                                     | Sets the name of the Kerberos service.
 lc_collate                      | C                                                            | Shows the collation order locale.
 lc_ctype                        | C                                                            | Shows the character classification and ca
se conversion locale.
 lc_messages                     | C                                                            | Sets the language in which messages are d
isplayed.
 lc_monetary                     | C                                                            | Sets the locale for formatting monetary a
mounts.
 lc_numeric                      | C                                                            | Sets the locale for formatting numbers.
 lc_time                         | C                                                            | Sets the locale for formatting date and t
ime values.
 listen_addresses                | *                                                            | Sets the host name or IP address(es) to l
isten to.
 log_connections                 | off                                                          | Logs each successful connection.
 log_destination                 | stderr                                                       | Sets the destination for server log outpu
t.
 log_directory                   | pg_log                                                       | Sets the destination directory for log fi
les.
 log_disconnections              | off                                                          | Logs end of a session, including duration
.
 log_duration                    | off                                                          | Logs the duration of each completed SQL s
tatement.
 log_error_verbosity             | default                                                      | Sets the verbosity of logged messages.
 log_executor_stats              | off                                                          | Writes executor performance statistics to
 the server log.
 log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log                               | Sets the file name pattern for log files.
 log_hostname                    | off                                                          | Logs the host name in the connection logs
.
 log_line_prefix                 | %t                                                           | Controls information prefixed to each log
 line
 log_min_duration_statement      | -1                                                           | Sets the minimum execution time in millis
econds above which statements will be logged.
 log_min_error_statement         | panic                                                        | Causes all statements generating error at
 or above this level to be logged.
 log_min_messages                | notice                                                       | Sets the message levels that are logged.
 log_parser_stats                | off                                                          | Writes parser performance statistics to t
he server log.
 log_planner_stats               | off                                                          | Writes planner performance statistics to
the server log.
 log_rotation_age                | 1440                                                         | Automatic log file rotation will occur af
ter N minutes
 log_rotation_size               | 10240                                                        | Automatic log file rotation will occur af
ter N kilobytes
 log_statement                   | none                                                         | Sets the type of statements logged.
 log_statement_stats             | off                                                          | Writes cumulative performance statistics
to the server log.
 log_truncate_on_rotation        | off                                                          | Truncate existing log files of same name
during log rotation.
 maintenance_work_mem            | 16384                                                        | Sets the maximum memory to be used for ma
intenance operations.
 max_connections                 | 10                                                           | Sets the maximum number of concurrent con
nections.
 max_files_per_process           | 1000                                                         | Sets the maximum number of simultaneously
 open files for each server process.
 max_fsm_pages                   | 60000                                                        | Sets the maximum number of disk pages for
 which free space is tracked.
 max_fsm_relations               | 1500                                                         | Sets the maximum number of tables and ind
exes for which free space is tracked.
 max_function_args               | 100                                                          | Shows the maximum number of function argu
ments.
 max_identifier_length           | 63                                                           | Shows the maximum identifier length
 max_index_keys                  | 32                                                           | Shows the maximum number of index keys.
 max_locks_per_transaction       | 64                                                           | Sets the maximum number of locks per tran
saction.
 max_prepared_transactions       | 20                                                           | Sets the maximum number of simultaneously
 prepared transactions.
 max_stack_depth                 | 16380                                                        | Sets the maximum stack depth, in kilobyte
s.
 password_encryption             | on                                                           | Encrypt passwords.
 port                            | 5432                                                         | Sets the TCP port the server listens on.
 pre_auth_delay                  | 0                                                            | no description available
 preload_libraries               | unset                                                        | Lists shared libraries to preload into se
rver.
 random_page_cost                | 2                                                            | Sets the planner's estimate of the cost o
f a nonsequentially fetched disk page.
 redirect_stderr                 | on                                                           | Start a subprocess to capture stderr outp
ut into log files.
 regex_flavor                    | advanced                                                     | Sets the regular expression "flavor".
 search_path                     | $user,public                                                 | Sets the schema search order for names th
at are not schema-qualified.
 server_encoding                 | LATIN1                                                       | Sets the server (database) character set
encoding.
 server_version                  | 8.1.2                                                        | Shows the server version.
 shared_buffers                  | 16380                                                        | Sets the number of shared memory buffers
used by the server.
 silent_mode                     | off                                                          | Runs the server silently.
 sql_inheritance                 | on                                                           | Causes subtables to be included by defaul
t in various commands.
 ssl                             | off                                                          | Enables SSL connections.
 standard_conforming_strings     | off                                                          | '...' strings treat backslashes literally
.
 statement_timeout               | 0                                                            | Sets the maximum allowed duration (in mil
liseconds) of any statement.
 stats_block_level               | off                                                          | Collects block-level statistics on databa
se activity.
 stats_command_string            | off                                                          | Collects statistics about executing comma
nds.
 stats_reset_on_server_start     | off                                                          | Zeroes collected statistics on server res
tart.
 stats_row_level                 | off                                                          | Collects row-level statistics on database
 activity.
 stats_start_collector           | on                                                           | Starts the server statistics-collection s
ubprocess.
 superuser_reserved_connections  | 2                                                            | Sets the number of connection slots reser
ved for superusers.
 tcp_keepalives_count            | 0                                                            | Maximum number of TCP keepalive retransmi
ts.
 tcp_keepalives_idle             | 0                                                            | Seconds between issuing TCP keepalives.
 tcp_keepalives_interval         | 0                                                            | Seconds between TCP keepalive retransmits
.
 temp_buffers                    | 8000                                                         | Sets the maximum number of temporary buff
ers used by each session.
 TimeZone                        | GMT3                                                         | Sets the time zone for displaying and int
erpreting time stamps.
 trace_notify                    | off                                                          | Generates debugging output for LISTEN and
 NOTIFY.
 trace_sort                      | off                                                          | Emit information about resource usage in
sorting.
 transaction_isolation           | read committed                                               | Sets the current transaction's isolation
level.
 transaction_read_only           | off                                                          | Sets the current transaction's read-only
status.
 transform_null_equals           | off                                                          | Treats "expr=NULL" as "expr IS NULL".
 unix_socket_directory           | unset                                                        | Sets the directory where the Unix-domain
socket will be created.
 unix_socket_group               | unset                                                        | Sets the owning group of the Unix-domain
socket.
 unix_socket_permissions         | 511                                                          | Sets the access permissions of the Unix-d
omain socket.
 vacuum_cost_delay               | 0                                                            | Vacuum cost delay in milliseconds.
 vacuum_cost_limit               | 200                                                          | Vacuum cost amount available before nappi
ng.
 vacuum_cost_page_dirty          | 20                                                           | Vacuum cost for a page dirtied by vacuum.
 vacuum_cost_page_hit            | 1                                                            | Vacuum cost for a page found in the buffe
r cache.
 vacuum_cost_page_miss           | 10                                                           | Vacuum cost for a page not found in the b
uffer cache.
 wal_buffers                     | 1000                                                         | Sets the number of disk-page buffers in s
hared memory for WAL.
 wal_sync_method                 | open_datasync                                                | Selects the method used for forcing WAL u
pdates out to disk.
 work_mem                        | 196000                                                       | Sets the maximum memory to be used for qu
ery workspaces.
 zero_damaged_pages              | off                                                          | Continues processing past damaged page he
aders.
(160 registros)














bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECL
ARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) in
ner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                          QUERY PLAN

----------------------------------------------------------------------------------------------
-----------------------------------------------------------------
 Hash Join  (cost=1357.42..208047.91 rows=1139927 width=748) (actual time=119.164..54450.409 r
ows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..165792.28 rows=2359915 width=349) (actual time=0.039..48112.950
 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using idx_nf_id_nf on nota_fiscal nf  (cost=0.00..58696.69 rows=147567                                             6 width=190) (actual time=0.019..33675.957 rows=1475676 loops=1)
         ->  Index Scan using idx_inf_id_nf on item_nota inf  (cost=0.00..73921.03 rows=235991                                             5 width=159) (actual time=0.009..5266.261 rows=2359915 loops=1)
   ->  Hash  (cost=1338.73..1338.73 rows=7475 width=399) (actual time=119.088..119.088 rows=74                                             67 loops=1)
         ->  Hash Join  (cost=301.10..1338.73 rows=7475 width=399) (actual time=21.349..80.326                                              rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=294) (actual                                              time=0.003..19.134 rows=15475 loops=1)
               ->  Hash  (cost=289.31..289.31 rows=4718 width=105) (actual time=21.297..21.297                                              rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.33..289.31 rows=4718 w                                             idth=105) (actual time=1.422..10.144 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on idx_dec_id_arquivo_1  (cost=0.00..31.33 ro                                             ws=4718 width=0) (actual time=1.387..1.387 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 55270.969 ms
(16 registros)


random_page_cost set to 4:


bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                               QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1358.59..217591.84 rows=1145224 width=767) (actual time=144.296..89603.646 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..175306.65 rows=2357949 width=367) (actual time=0.028..82977.614 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using idx_nf_id_nf on nota_fiscal nf  (cost=0.00..68353.27 rows=1472148 width=208) (actual time=0.010..66977.351 rows=1475676 loops=1)
         ->  Index Scan using idx_inf_id_nf on item_nota inf  (cost=0.00..73810.44 rows=2357949 width=159) (actual time=0.006..6167.173 rows=2359915 loops=1)
   ->  Hash  (cost=1339.80..1339.80 rows=7516 width=400) (actual time=144.197..144.197 rows=7467 loops=1)
         ->  Hash Join  (cost=301.76..1339.80 rows=7516 width=400) (actual time=42.281..102.056 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=0.003..18.896 rows=15475 loops=1)
               ->  Hash  (cost=289.90..289.90 rows=4744 width=105) (actual time=42.222..42.222 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.60..289.90 rows=4744 width=105) (actual time=21.426..30.218 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.60 rows=4744 width=0) (actual time=21.385..21.385 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 90432.715 ms
(16 registros)

bddnf=# show all;
              name               |                           setting                            |                                         description

---------------------------------+--------------------------------------------------------------+-----------------------------------------------------------------------------------------
-----
 add_missing_from                | off                                                          | Automatically adds missing table references to FROM clauses.
 archive_command                 | unset                                                        | WAL archiving command.
 australian_timezones            | off                                                          | Interprets ACST, CST, EST, and SAT as Australian time zones.
 authentication_timeout          | 60                                                           | Sets the maximum time in seconds to complete client authentication.
 autovacuum                      | off                                                          | Starts the autovacuum subprocess.
 autovacuum_analyze_scale_factor | 0.2                                                          | Number of tuple inserts, updates or deletes prior to analyze as a fraction of reltuples.
 autovacuum_analyze_threshold    | 500                                                          | Minimum number of tuple inserts, updates or deletes prior to analyze.
 autovacuum_naptime              | 60                                                           | Time to sleep between autovacuum runs, in seconds.
 autovacuum_vacuum_cost_delay    | -1                                                           | Vacuum cost delay in milliseconds, for autovacuum.
 autovacuum_vacuum_cost_limit    | -1                                                           | Vacuum cost amount available before napping, for autovacuum.
 autovacuum_vacuum_scale_factor  | 0.4                                                          | Number of tuple updates or deletes prior to vacuum as a fraction of reltuples.
 autovacuum_vacuum_threshold     | 1000                                                         | Minimum number of tuple updates or deletes prior to vacuum.
 bgwriter_all_maxpages           | 5                                                            | Background writer maximum number of all pages to flush per round
 bgwriter_all_percent            | 0.333                                                        | Background writer percentage of all buffers to flush per round
 bgwriter_delay                  | 2000                                                         | Background writer sleep time between rounds in milliseconds
 bgwriter_lru_maxpages           | 5                                                            | Background writer maximum number of LRU pages to flush per round
 bgwriter_lru_percent            | 1                                                            | Background writer percentage of LRU buffers to flush per round
 block_size                      | 8192                                                         | Shows size of a disk block
 bonjour_name                    | unset                                                        | Sets the Bonjour broadcast service name.
 check_function_bodies           | on                                                           | Check function bodies during CREATE FUNCTION.
 checkpoint_segments             | 8                                                            | Sets the maximum distance in log segments between automatic WAL checkpoints.
 checkpoint_timeout              | 800                                                          | Sets the maximum time in seconds between automatic WAL checkpoints.
 checkpoint_warning              | 30                                                           | Logs if filling of checkpoint segments happens more frequently than this (in seconds).
 client_encoding                 | LATIN1                                                       | Sets the client's character set encoding.
 client_min_messages             | notice                                                       | Sets the message levels that are sent to the client.
 commit_delay                    | 0                                                            | Sets the delay in microseconds between transaction commit and flushing WAL to disk.
 commit_siblings                 | 5                                                            | Sets the minimum concurrent open transactions before performing commit_delay.
 config_file                     | C:/Arquivos de programas/PostgreSQL/8.1/data/postgresql.conf | Sets the server's main configuration file.
 constraint_exclusion            | off                                                          | Enables the planner to use constraints to optimize queries.
 cpu_index_tuple_cost            | 0.001                                                        | Sets the planner's estimate of processing cost for each index tuple (row) during index s
can.
 cpu_operator_cost               | 0.0025                                                       | Sets the planner's estimate of processing cost of each operator in WHERE.
 cpu_tuple_cost                  | 0.01                                                         | Sets the planner's estimate of the cost of processing each tuple (row).
 custom_variable_classes         | unset                                                        | Sets the list of known custom variable classes.
 data_directory                  | C:/Arquivos de programas/PostgreSQL/8.1/data                 | Sets the server's data directory.
 DateStyle                       | ISO, MDY                                                     | Sets the display format for date and time values.
 db_user_namespace               | off                                                          | Enables per-database user names.
 deadlock_timeout                | 1000                                                         | The time in milliseconds to wait on lock before checking for deadlock.
 debug_pretty_print              | off                                                          | Indents parse and plan tree displays.
 debug_print_parse               | off                                                          | Prints the parse tree to the server log.
 debug_print_plan                | off                                                          | Prints the execution plan to server log.
 debug_print_rewritten           | off                                                          | Prints the parse tree after rewriting to server log.
 default_statistics_target       | 10                                                           | Sets the default statistics target.
 default_tablespace              | unset                                                        | Sets the default tablespace to create tables and indexes in.
 default_transaction_isolation   | read committed                                               | Sets the transaction isolation level of each new transaction.
 default_transaction_read_only   | off                                                          | Sets the default read-only status of new transactions.
 default_with_oids               | off                                                          | Create new tables with OIDs by default.
 dynamic_library_path            | $libdir                                                      | Sets the path for dynamically loadable modules.
 effective_cache_size            | 100000                                                       | Sets the planner's assumption about size of the disk cache.
 enable_bitmapscan               | on                                                           | Enables the planner's use of bitmap-scan plans.
 enable_hashagg                  | on                                                           | Enables the planner's use of hashed aggregation plans.
 enable_hashjoin                 | on                                                           | Enables the planner's use of hash join plans.
 enable_indexscan                | on                                                           | Enables the planner's use of index-scan plans.
 enable_mergejoin                | on                                                           | Enables the planner's use of merge join plans.
 enable_nestloop                 | on                                                           | Enables the planner's use of nested-loop join plans.
 enable_seqscan                  | on                                                           | Enables the planner's use of sequential-scan plans.
 enable_sort                     | on                                                           | Enables the planner's use of explicit sort steps.
 enable_tidscan                  | on                                                           | Enables the planner's use of TID scan plans.
 escape_string_warning           | off                                                          | Warn about backslash escapes in ordinary string literals.
 explain_pretty_print            | on                                                           | Uses the indented output format for EXPLAIN VERBOSE.
 external_pid_file               | unset                                                        | Writes the postmaster PID to the specified file.
 extra_float_digits              | 0                                                            | Sets the number of digits displayed for floating-point values.
 from_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which subqueries are not collapsed.
 fsync                           | on                                                           | Forces synchronization of updates to disk.
 full_page_writes                | on                                                           | Writes full pages to WAL when first modified after a checkpoint.
 geqo                            | on                                                           | Enables genetic query optimization.
 geqo_effort                     | 5                                                            | GEQO: effort is used to set the default for other GEQO parameters.
 geqo_generations                | 0                                                            | GEQO: number of iterations of the algorithm.
 geqo_pool_size                  | 0                                                            | GEQO: number of individuals in the population.
 geqo_selection_bias             | 2                                                            | GEQO: selective pressure within the population.
 geqo_threshold                  | 2                                                            | Sets the threshold of FROM items beyond which GEQO is used.
 hba_file                        | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_hba.conf     | Sets the server's "hba" configuration file
 ident_file                      | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_ident.conf   | Sets the server's "ident" configuration file
 integer_datetimes               | off                                                          | Datetimes are integer based.
 join_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which JOIN constructs are not flattened.
 krb_caseins_users               | off                                                          | Sets whether Kerberos user names should be treated as case-insensitive.
 krb_server_hostname             | unset                                                        | Sets the hostname of the Kerberos server.
 krb_server_keyfile              | FILE:/usr/local/pgsql/etc/krb5.keytab                        | Sets the location of the Kerberos server key file.
 krb_srvname                     | postgres                                                     | Sets the name of the Kerberos service.
 lc_collate                      | C                                                            | Shows the collation order locale.
 lc_ctype                        | C                                                            | Shows the character classification and case conversion locale.
 lc_messages                     | C                                                            | Sets the language in which messages are displayed.
 lc_monetary                     | C                                                            | Sets the locale for formatting monetary amounts.
 lc_numeric                      | C                                                            | Sets the locale for formatting numbers.
 lc_time                         | C                                                            | Sets the locale for formatting date and time values.
 listen_addresses                | *                                                            | Sets the host name or IP address(es) to listen to.
 log_connections                 | off                                                          | Logs each successful connection.
 log_destination                 | stderr                                                       | Sets the destination for server log output.
 log_directory                   | pg_log                                                       | Sets the destination directory for log files.
 log_disconnections              | off                                                          | Logs end of a session, including duration.
 log_duration                    | off                                                          | Logs the duration of each completed SQL statement.
 log_error_verbosity             | default                                                      | Sets the verbosity of logged messages.
 log_executor_stats              | off                                                          | Writes executor performance statistics to the server log.
 log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log                               | Sets the file name pattern for log files.
 log_hostname                    | off                                                          | Logs the host name in the connection logs.
 log_line_prefix                 | %t                                                           | Controls information prefixed to each log line
 log_min_duration_statement      | -1                                                           | Sets the minimum execution time in milliseconds above which statements will be logged.
 log_min_error_statement         | panic                                                        | Causes all statements generating error at or above this level to be logged.
 log_min_messages                | notice                                                       | Sets the message levels that are logged.
 log_parser_stats                | off                                                          | Writes parser performance statistics to the server log.
 log_planner_stats               | off                                                          | Writes planner performance statistics to the server log.
 log_rotation_age                | 1440                                                         | Automatic log file rotation will occur after N minutes
 log_rotation_size               | 10240                                                        | Automatic log file rotation will occur after N kilobytes
 log_statement                   | none                                                         | Sets the type of statements logged.
 log_statement_stats             | off                                                          | Writes cumulative performance statistics to the server log.
 log_truncate_on_rotation        | off                                                          | Truncate existing log files of same name during log rotation.
 maintenance_work_mem            | 16384                                                        | Sets the maximum memory to be used for maintenance operations.
 max_connections                 | 10                                                           | Sets the maximum number of concurrent connections.
 max_files_per_process           | 1000                                                         | Sets the maximum number of simultaneously open files for each server process.
 max_fsm_pages                   | 60000                                                        | Sets the maximum number of disk pages for which free space is tracked.
 max_fsm_relations               | 1500                                                         | Sets the maximum number of tables and indexes for which free space is tracked.
 max_function_args               | 100                                                          | Shows the maximum number of function arguments.
 max_identifier_length           | 63                                                           | Shows the maximum identifier length
 max_index_keys                  | 32                                                           | Shows the maximum number of index keys.
 max_locks_per_transaction       | 64                                                           | Sets the maximum number of locks per transaction.
 max_prepared_transactions       | 20                                                           | Sets the maximum number of simultaneously prepared transactions.
 max_stack_depth                 | 16380                                                        | Sets the maximum stack depth, in kilobytes.
 password_encryption             | on                                                           | Encrypt passwords.
 port                            | 5432                                                         | Sets the TCP port the server listens on.
 pre_auth_delay                  | 0                                                            | no description available
 preload_libraries               | unset                                                        | Lists shared libraries to preload into server.
 random_page_cost                | 4                                                            | Sets the planner's estimate of the cost of a nonsequentially fetched disk page.
 redirect_stderr                 | on                                                           | Start a subprocess to capture stderr output into log files.
 regex_flavor                    | advanced                                                     | Sets the regular expression "flavor".
 search_path                     | $user,public                                                 | Sets the schema search order for names that are not schema-qualified.
 server_encoding                 | LATIN1                                                       | Sets the server (database) character set encoding.
 server_version                  | 8.1.2                                                        | Shows the server version.
 shared_buffers                  | 16380                                                        | Sets the number of shared memory buffers used by the server.
 silent_mode                     | off                                                          | Runs the server silently.
 sql_inheritance                 | on                                                           | Causes subtables to be included by default in various commands.
 ssl                             | off                                                          | Enables SSL connections.
 standard_conforming_strings     | off                                                          | '...' strings treat backslashes literally.
 statement_timeout               | 0                                                            | Sets the maximum allowed duration (in milliseconds) of any statement.
 stats_block_level               | off                                                          | Collects block-level statistics on database activity.
 stats_command_string            | off                                                          | Collects statistics about executing commands.
 stats_reset_on_server_start     | off                                                          | Zeroes collected statistics on server restart.
 stats_row_level                 | off                                                          | Collects row-level statistics on database activity.
 stats_start_collector           | on                                                           | Starts the server statistics-collection subprocess.
 superuser_reserved_connections  | 2                                                            | Sets the number of connection slots reserved for superusers.
 tcp_keepalives_count            | 0                                                            | Maximum number of TCP keepalive retransmits.
 tcp_keepalives_idle             | 0                                                            | Seconds between issuing TCP keepalives.
 tcp_keepalives_interval         | 0                                                            | Seconds between TCP keepalive retransmits.
 temp_buffers                    | 8000                                                         | Sets the maximum number of temporary buffers used by each session.
 TimeZone                        | GMT3                                                         | Sets the time zone for displaying and interpreting time stamps.
 trace_notify                    | off                                                          | Generates debugging output for LISTEN and NOTIFY.
 trace_sort                      | off                                                          | Emit information about resource usage in sorting.
 transaction_isolation           | read committed                                               | Sets the current transaction's isolation level.
 transaction_read_only           | off                                                          | Sets the current transaction's read-only status.
 transform_null_equals           | off                                                          | Treats "expr=NULL" as "expr IS NULL".
 unix_socket_directory           | unset                                                        | Sets the directory where the Unix-domain socket will be created.
 unix_socket_group               | unset                                                        | Sets the owning group of the Unix-domain socket.
 unix_socket_permissions         | 511                                                          | Sets the access permissions of the Unix-domain socket.
 vacuum_cost_delay               | 0                                                            | Vacuum cost delay in milliseconds.
 vacuum_cost_limit               | 200                                                          | Vacuum cost amount available before napping.
 vacuum_cost_page_dirty          | 20                                                           | Vacuum cost for a page dirtied by vacuum.
 vacuum_cost_page_hit            | 1                                                            | Vacuum cost for a page found in the buffer cache.
 vacuum_cost_page_miss           | 10                                                           | Vacuum cost for a page not found in the buffer cache.
 wal_buffers                     | 1000                                                         | Sets the number of disk-page buffers in shared memory for WAL.
 wal_sync_method                 | open_datasync                                                | Selects the method used for forcing WAL updates out to disk.
 work_mem                        | 196000                                                       | Sets the maximum memory to be used for query workspaces.
 zero_damaged_pages              | off                                                          | Continues processing past damaged page headers.
(160 registros)




bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                              QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1358.59..235276.46 rows=1145224 width=767) (actual time=132.100..39005.439 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..175306.65 rows=2357949 width=367) (actual time=0.264..32596.422 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using idx_nf_id_nf on nota_fiscal nf  (cost=0.00..68353.27 rows=1472148 width=208) (actual time=0.139..17955.619 rows=1475676 loops=1)
         ->  Index Scan using idx_inf_id_nf on item_nota inf  (cost=0.00..73810.44 rows=2357949 width=159) (actual time=0.113..5461.751 rows=2359915 loops=1)
   ->  Hash  (cost=1339.80..1339.80 rows=7516 width=400) (actual time=131.797..131.797 rows=7467 loops=1)
         ->  Hash Join  (cost=301.76..1339.80 rows=7516 width=400) (actual time=23.252..92.502 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=0.026..28.475 rows=15475 loops=1)
               ->  Hash  (cost=289.90..289.90 rows=4744 width=105) (actual time=23.169..23.169 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.60..289.90 rows=4744 width=105) (actual time=1.662..11.864 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.60 rows=4744 width=0) (actual time=1.604..1.604 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 39832.835 ms






bddnf=# show all;
              name               |                           setting                            |                                         description

---------------------------------+--------------------------------------------------------------+-----------------------------------------------------------------------------------------
-----
 add_missing_from                | off                                                          | Automatically adds missing table references to FROM clauses.
 archive_command                 | unset                                                        | WAL archiving command.
 australian_timezones            | off                                                          | Interprets ACST, CST, EST, and SAT as Australian time zones.
 authentication_timeout          | 60                                                           | Sets the maximum time in seconds to complete client authentication.
 autovacuum                      | off                                                          | Starts the autovacuum subprocess.
 autovacuum_analyze_scale_factor | 0.2                                                          | Number of tuple inserts, updates or deletes prior to analyze as a fraction of reltuples.
 autovacuum_analyze_threshold    | 500                                                          | Minimum number of tuple inserts, updates or deletes prior to analyze.
 autovacuum_naptime              | 60                                                           | Time to sleep between autovacuum runs, in seconds.
 autovacuum_vacuum_cost_delay    | -1                                                           | Vacuum cost delay in milliseconds, for autovacuum.
 autovacuum_vacuum_cost_limit    | -1                                                           | Vacuum cost amount available before napping, for autovacuum.
 autovacuum_vacuum_scale_factor  | 0.4                                                          | Number of tuple updates or deletes prior to vacuum as a fraction of reltuples.
 autovacuum_vacuum_threshold     | 1000                                                         | Minimum number of tuple updates or deletes prior to vacuum.
 bgwriter_all_maxpages           | 5                                                            | Background writer maximum number of all pages to flush per round
 bgwriter_all_percent            | 0.333                                                        | Background writer percentage of all buffers to flush per round
 bgwriter_delay                  | 2000                                                         | Background writer sleep time between rounds in milliseconds
 bgwriter_lru_maxpages           | 5                                                            | Background writer maximum number of LRU pages to flush per round
 bgwriter_lru_percent            | 1                                                            | Background writer percentage of LRU buffers to flush per round
 block_size                      | 8192                                                         | Shows size of a disk block
 bonjour_name                    | unset                                                        | Sets the Bonjour broadcast service name.
 check_function_bodies           | on                                                           | Check function bodies during CREATE FUNCTION.
 checkpoint_segments             | 8                                                            | Sets the maximum distance in log segments between automatic WAL checkpoints.
 checkpoint_timeout              | 800                                                          | Sets the maximum time in seconds between automatic WAL checkpoints.
 checkpoint_warning              | 30                                                           | Logs if filling of checkpoint segments happens more frequently than this (in seconds).
 client_encoding                 | LATIN1                                                       | Sets the client's character set encoding.
 client_min_messages             | notice                                                       | Sets the message levels that are sent to the client.
 commit_delay                    | 0                                                            | Sets the delay in microseconds between transaction commit and flushing WAL to disk.
 commit_siblings                 | 5                                                            | Sets the minimum concurrent open transactions before performing commit_delay.
 config_file                     | C:/Arquivos de programas/PostgreSQL/8.1/data/postgresql.conf | Sets the server's main configuration file.
 constraint_exclusion            | off                                                          | Enables the planner to use constraints to optimize queries.
 cpu_index_tuple_cost            | 0.001                                                        | Sets the planner's estimate of processing cost for each index tuple (row) during index s
can.
 cpu_operator_cost               | 0.0025                                                       | Sets the planner's estimate of processing cost of each operator in WHERE.
 cpu_tuple_cost                  | 0.01                                                         | Sets the planner's estimate of the cost of processing each tuple (row).
 custom_variable_classes         | unset                                                        | Sets the list of known custom variable classes.
 data_directory                  | C:/Arquivos de programas/PostgreSQL/8.1/data                 | Sets the server's data directory.
 DateStyle                       | ISO, MDY                                                     | Sets the display format for date and time values.
 db_user_namespace               | off                                                          | Enables per-database user names.
 deadlock_timeout                | 1000                                                         | The time in milliseconds to wait on lock before checking for deadlock.
 debug_pretty_print              | off                                                          | Indents parse and plan tree displays.
 debug_print_parse               | off                                                          | Prints the parse tree to the server log.
 debug_print_plan                | off                                                          | Prints the execution plan to server log.
 debug_print_rewritten           | off                                                          | Prints the parse tree after rewriting to server log.
 default_statistics_target       | 10                                                           | Sets the default statistics target.
 default_tablespace              | unset                                                        | Sets the default tablespace to create tables and indexes in.
 default_transaction_isolation   | read committed                                               | Sets the transaction isolation level of each new transaction.
 default_transaction_read_only   | off                                                          | Sets the default read-only status of new transactions.
 default_with_oids               | off                                                          | Create new tables with OIDs by default.
 dynamic_library_path            | $libdir                                                      | Sets the path for dynamically loadable modules.
 effective_cache_size            | 100000                                                       | Sets the planner's assumption about size of the disk cache.
 enable_bitmapscan               | on                                                           | Enables the planner's use of bitmap-scan plans.
 enable_hashagg                  | on                                                           | Enables the planner's use of hashed aggregation plans.
 enable_hashjoin                 | on                                                           | Enables the planner's use of hash join plans.
 enable_indexscan                | on                                                           | Enables the planner's use of index-scan plans.
 enable_mergejoin                | on                                                           | Enables the planner's use of merge join plans.
 enable_nestloop                 | on                                                           | Enables the planner's use of nested-loop join plans.
 enable_seqscan                  | on                                                           | Enables the planner's use of sequential-scan plans.
 enable_sort                     | on                                                           | Enables the planner's use of explicit sort steps.
 enable_tidscan                  | on                                                           | Enables the planner's use of TID scan plans.
 escape_string_warning           | off                                                          | Warn about backslash escapes in ordinary string literals.
 explain_pretty_print            | on                                                           | Uses the indented output format for EXPLAIN VERBOSE.
 external_pid_file               | unset                                                        | Writes the postmaster PID to the specified file.
 extra_float_digits              | 0                                                            | Sets the number of digits displayed for floating-point values.
 from_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which subqueries are not collapsed.
 fsync                           | on                                                           | Forces synchronization of updates to disk.
 full_page_writes                | on                                                           | Writes full pages to WAL when first modified after a checkpoint.
 geqo                            | on                                                           | Enables genetic query optimization.
 geqo_effort                     | 5                                                            | GEQO: effort is used to set the default for other GEQO parameters.
 geqo_generations                | 0                                                            | GEQO: number of iterations of the algorithm.
 geqo_pool_size                  | 0                                                            | GEQO: number of individuals in the population.
 geqo_selection_bias             | 2                                                            | GEQO: selective pressure within the population.
 geqo_threshold                  | 2                                                            | Sets the threshold of FROM items beyond which GEQO is used.
 hba_file                        | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_hba.conf     | Sets the server's "hba" configuration file
 ident_file                      | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_ident.conf   | Sets the server's "ident" configuration file
 integer_datetimes               | off                                                          | Datetimes are integer based.
 join_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which JOIN constructs are not flattened.
 krb_caseins_users               | off                                                          | Sets whether Kerberos user names should be treated as case-insensitive.
 krb_server_hostname             | unset                                                        | Sets the hostname of the Kerberos server.
 krb_server_keyfile              | FILE:/usr/local/pgsql/etc/krb5.keytab                        | Sets the location of the Kerberos server key file.
 krb_srvname                     | postgres                                                     | Sets the name of the Kerberos service.
 lc_collate                      | C                                                            | Shows the collation order locale.
 lc_ctype                        | C                                                            | Shows the character classification and case conversion locale.
 lc_messages                     | C                                                            | Sets the language in which messages are displayed.
 lc_monetary                     | C                                                            | Sets the locale for formatting monetary amounts.
 lc_numeric                      | C                                                            | Sets the locale for formatting numbers.
 lc_time                         | C                                                            | Sets the locale for formatting date and time values.
 listen_addresses                | *                                                            | Sets the host name or IP address(es) to listen to.
 log_connections                 | off                                                          | Logs each successful connection.
 log_destination                 | stderr                                                       | Sets the destination for server log output.
 log_directory                   | pg_log                                                       | Sets the destination directory for log files.
 log_disconnections              | off                                                          | Logs end of a session, including duration.
 log_duration                    | off                                                          | Logs the duration of each completed SQL statement.
 log_error_verbosity             | default                                                      | Sets the verbosity of logged messages.
 log_executor_stats              | off                                                          | Writes executor performance statistics to the server log.
 log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log                               | Sets the file name pattern for log files.
 log_hostname                    | off                                                          | Logs the host name in the connection logs.
 log_line_prefix                 | %t                                                           | Controls information prefixed to each log line
 log_min_duration_statement      | -1                                                           | Sets the minimum execution time in milliseconds above which statements will be logged.
 log_min_error_statement         | panic                                                        | Causes all statements generating error at or above this level to be logged.
 log_min_messages                | notice                                                       | Sets the message levels that are logged.
 log_parser_stats                | off                                                          | Writes parser performance statistics to the server log.
 log_planner_stats               | off                                                          | Writes planner performance statistics to the server log.
 log_rotation_age                | 1440                                                         | Automatic log file rotation will occur after N minutes
 log_rotation_size               | 10240                                                        | Automatic log file rotation will occur after N kilobytes
 log_statement                   | none                                                         | Sets the type of statements logged.
 log_statement_stats             | off                                                          | Writes cumulative performance statistics to the server log.
 log_truncate_on_rotation        | off                                                          | Truncate existing log files of same name during log rotation.
 maintenance_work_mem            | 16384                                                        | Sets the maximum memory to be used for maintenance operations.
 max_connections                 | 10                                                           | Sets the maximum number of concurrent connections.
 max_files_per_process           | 1000                                                         | Sets the maximum number of simultaneously open files for each server process.
 max_fsm_pages                   | 60000                                                        | Sets the maximum number of disk pages for which free space is tracked.
 max_fsm_relations               | 1500                                                         | Sets the maximum number of tables and indexes for which free space is tracked.
 max_function_args               | 100                                                          | Shows the maximum number of function arguments.
 max_identifier_length           | 63                                                           | Shows the maximum identifier length
 max_index_keys                  | 32                                                           | Shows the maximum number of index keys.
 max_locks_per_transaction       | 64                                                           | Sets the maximum number of locks per transaction.
 max_prepared_transactions       | 20                                                           | Sets the maximum number of simultaneously prepared transactions.
 max_stack_depth                 | 16380                                                        | Sets the maximum stack depth, in kilobytes.
 password_encryption             | on                                                           | Encrypt passwords.
 port                            | 5432                                                         | Sets the TCP port the server listens on.
 pre_auth_delay                  | 0                                                            | no description available
 preload_libraries               | unset                                                        | Lists shared libraries to preload into server.
 random_page_cost                | 3                                                            | Sets the planner's estimate of the cost of a nonsequentially fetched disk page.
 redirect_stderr                 | on                                                           | Start a subprocess to capture stderr output into log files.
 regex_flavor                    | advanced                                                     | Sets the regular expression "flavor".
 search_path                     | $user,public                                                 | Sets the schema search order for names that are not schema-qualified.
 server_encoding                 | LATIN1                                                       | Sets the server (database) character set encoding.
 server_version                  | 8.1.2                                                        | Shows the server version.
 shared_buffers                  | 16380                                                        | Sets the number of shared memory buffers used by the server.
 silent_mode                     | off                                                          | Runs the server silently.
 sql_inheritance                 | on                                                           | Causes subtables to be included by default in various commands.
 ssl                             | off                                                          | Enables SSL connections.
 standard_conforming_strings     | off                                                          | '...' strings treat backslashes literally.
 statement_timeout               | 0                                                            | Sets the maximum allowed duration (in milliseconds) of any statement.
 stats_block_level               | off                                                          | Collects block-level statistics on database activity.
 stats_command_string            | off                                                          | Collects statistics about executing commands.
 stats_reset_on_server_start     | off                                                          | Zeroes collected statistics on server restart.
 stats_row_level                 | off                                                          | Collects row-level statistics on database activity.
 stats_start_collector           | on                                                           | Starts the server statistics-collection subprocess.
 superuser_reserved_connections  | 2                                                            | Sets the number of connection slots reserved for superusers.
 tcp_keepalives_count            | 0                                                            | Maximum number of TCP keepalive retransmits.
 tcp_keepalives_idle             | 0                                                            | Seconds between issuing TCP keepalives.
 tcp_keepalives_interval         | 0                                                            | Seconds between TCP keepalive retransmits.
 temp_buffers                    | 8000                                                         | Sets the maximum number of temporary buffers used by each session.
 TimeZone                        | GMT3                                                         | Sets the time zone for displaying and interpreting time stamps.
 trace_notify                    | off                                                          | Generates debugging output for LISTEN and NOTIFY.
 trace_sort                      | off                                                          | Emit information about resource usage in sorting.
 transaction_isolation           | read committed                                               | Sets the current transaction's isolation level.
 transaction_read_only           | off                                                          | Sets the current transaction's read-only status.
 transform_null_equals           | off                                                          | Treats "expr=NULL" as "expr IS NULL".
 unix_socket_directory           | unset                                                        | Sets the directory where the Unix-domain socket will be created.
 unix_socket_group               | unset                                                        | Sets the owning group of the Unix-domain socket.
 unix_socket_permissions         | 511                                                          | Sets the access permissions of the Unix-domain socket.
 vacuum_cost_delay               | 0                                                            | Vacuum cost delay in milliseconds.
 vacuum_cost_limit               | 200                                                          | Vacuum cost amount available before napping.
 vacuum_cost_page_dirty          | 20                                                           | Vacuum cost for a page dirtied by vacuum.
 vacuum_cost_page_hit            | 1                                                            | Vacuum cost for a page found in the buffer cache.
 vacuum_cost_page_miss           | 10                                                           | Vacuum cost for a page not found in the buffer cache.
 wal_buffers                     | 1000                                                         | Sets the number of disk-page buffers in shared memory for WAL.
 wal_sync_method                 | open_datasync                                                | Selects the method used for forcing WAL updates out to disk.
 work_mem                        | 196000                                                       | Sets the maximum memory to be used for query workspaces.
 zero_damaged_pages              | off                                                          | Continues processing past damaged page headers.
(160 registros)

bddnf=#
bddnf=#
bddnf=# \di
                                            Lista de relaes
 Esquema |                       Nome                        |  Tipo  |   Dono   |        Tabela
---------+---------------------------------------------------+--------+----------+-----------------------
 public  | agrupamento_erro_pkey                             | ndice | postgres | agrupamento_erro
 public  | arquivo_processado_pkey                           | ndice | postgres | arquivo_processado
 public  | cadastro_pkey                                     | ndice | postgres | cadastro
 public  | declaracao_pkey                                   | ndice | postgres | declaracao
 public  | empresa_pkey                                      | ndice | postgres | empresa
 public  | erro_pkey                                         | ndice | postgres | erro
 public  | fki_cadastro_id_declaracao_fkey                   | ndice | postgres | cadastro
 public  | fki_cadastro_id_empresa_fkey                      | ndice | postgres | cadastro
 public  | fki_declaracao_id_arquivo_fkey                    | ndice | postgres | declaracao
 public  | fki_declaracao_id_empresa_fkey                    | ndice | postgres | declaracao
 public  | fki_erro_id_arquivo_fkey                          | ndice | postgres | erro
 public  | fki_erro_id_declaracao_fkey                       | ndice | postgres | erro
 public  | fki_erro_id_tipo_erro_fkey                        | ndice | postgres | erro
 public  | fki_item_nota_id_nf_fkey                          | ndice | postgres | item_nota
 public  | fki_item_nota_id_produto_fkey                     | ndice | postgres | item_nota
 public  | fki_nota_fiscal_id_cadastro_fkey                  | ndice | postgres | nota_fiscal
 public  | fki_processamento_arquivo_id_arquivo_fkey         | ndice | postgres | processamento_arquivo
 public  | fki_produto_id_produto_oficial_fkey               | ndice | postgres | produto
 public  | fki_tipo_produto_empresa_id_empresa_fkey          | ndice | postgres | tipo_produto_empresa
 public  | fki_tipo_produto_empresa_id_tipo_uso_produto_fkey | ndice | postgres | tipo_produto_empresa
 public  | fki_uso_produto_id_produto_fkey                   | ndice | postgres | uso_produto
 public  | fki_uso_produto_id_tipo_uso_produto_fkey          | ndice | postgres | uso_produto
 public  | idx_cnpj_empresa                                  | ndice | postgres | empresa
 public  | idx_co_mercadoria_nao_oficial                     | ndice | postgres | produto
 public  | idx_co_ncm                                        | ndice | postgres | produto
 public  | idx_co_produto_in359                              | ndice | postgres | produto
 public  | idx_co_produto_in445                              | ndice | postgres | produto
 public  | idx_co_produto_in63                               | ndice | postgres | produto
 public  | idx_dh_fim_proc                                   | ndice | postgres | processamento_arquivo
 public  | idx_dh_inicio_proc                                | ndice | postgres | processamento_arquivo
 public  | idx_dh_recepcao_legal                             | ndice | postgres | declaracao
 public  | idx_dh_recepcao_trans                             | ndice | postgres | declaracao
 public  | idx_dt_emissao                                    | ndice | postgres | nota_fiscal
 public  | idx_dt_referencia                                 | ndice | postgres | declaracao
 public  | idx_no_arquivo                                    | ndice | postgres | arquivo_processado
 public  | idx_nu_bytes_arq                                  | ndice | postgres | arquivo_processado
 public  | idx_nu_linha                                      | ndice | postgres | declaracao
 public  | idx_nu_serie_nf                                   | ndice | postgres | nota_fiscal
 public  | idx_nu_severidade                                 | ndice | postgres | erro
 public  | idx_va_total                                      | ndice | postgres | item_nota
 public  | idx_versao_layout                                 | ndice | postgres | declaracao
 public  | item_nota_pkey                                    | ndice | postgres | item_nota
 public  | linha_arquivo_pkey                                | ndice | postgres | linha_arquivo
 public  | nota_fiscal_pkey                                  | ndice | postgres | nota_fiscal
 public  | pkteste                                           | ndice | postgres | teste
 public  | processamento_arquivo_pkey                        | ndice | postgres | processamento_arquivo
 public  | produto_pkey                                      | ndice | postgres | produto
 public  | prorrogacao_entrega_pkey                          | ndice | postgres | prorrogacao_entrega
 public  | tipo_erro_pkey                                    | ndice | postgres | tipo_erro
 public  | tipo_produto_empresa_pkey                         | ndice | postgres | tipo_produto_empresa
 public  | tipo_uso_produto_pkey                             | ndice | postgres | tipo_uso_produto
 public  | uso_produto_pkey                                  | ndice | postgres | uso_produto
(52 registros)

bddnf=#

bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1316.03..220955.93 rows=1124677 width=763) (actual time=221.043..75691.439 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..178818.00 rows=2366010 width=363) (actual time=20.888..69084.027 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67260.59 rows=1475676 width=204) (actual time=20.633..47586.760 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..78320.11 rows=2366010 width=159) (actual time=0.236..12065.795 rows=2359915 loops=1)
   ->  Hash  (cost=1297.64..1297.64 rows=7356 width=400) (actual time=200.045..200.045 rows=7467 loops=1)
         ->  Hash Join  (cost=299.90..1297.64 rows=7356 width=400) (actual time=56.236..159.375 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=0.049..61.038 rows=15475 loops=1)
               ->  Hash  (cost=288.29..288.29 rows=4643 width=105) (actual time=56.122..56.122 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.25..288.29 rows=4643 width=105) (actual time=19.454..44.665 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.25 rows=4643 width=0) (actual time=19.357..19.357 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 76537.755 ms
(16 registros)

bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1316.03..238701.00 rows=1124677 width=763) (actual time=278.526..60302.447 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..178818.00 rows=2366010 width=363) (actual time=77.137..53775.256 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67260.59 rows=1475676 width=204) (actual time=37.777..29559.460 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..78320.11 rows=2366010 width=159) (actual time=39.337..14983.702 rows=2359915 loops=1)
   ->  Hash  (cost=1297.64..1297.64 rows=7356 width=400) (actual time=201.319..201.319 rows=7467 loops=1)
         ->  Hash Join  (cost=299.90..1297.64 rows=7356 width=400) (actual time=59.180..159.259 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=17.373..74.066 rows=15475 loops=1)
               ->  Hash  (cost=288.29..288.29 rows=4643 width=105) (actual time=41.717..41.717 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.25..288.29 rows=4643 width=105) (actual time=18.590..30.362 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.25 rows=4643 width=0) (actual time=1.642..1.642 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 61146.664 ms
(16 registros)

bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1316.03..220955.93 rows=1124677 width=763) (actual time=238.788..54175.717 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..178818.00 rows=2366010 width=363) (actual time=71.312..47613.699 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67260.59 rows=1475676 width=204) (actual time=29.364..24404.342 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..78320.11 rows=2366010 width=159) (actual time=41.926..13816.639 rows=2359915 loops=1)
   ->  Hash  (cost=1297.64..1297.64 rows=7356 width=400) (actual time=167.414..167.414 rows=7467 loops=1)
         ->  Hash Join  (cost=299.90..1297.64 rows=7356 width=400) (actual time=42.080..125.428 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=17.574..58.537 rows=15475 loops=1)
               ->  Hash  (cost=288.29..288.29 rows=4643 width=105) (actual time=24.406..24.406 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.25..288.29 rows=4643 width=105) (actual time=1.918..13.077 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.25 rows=4643 width=0) (actual time=1.857..1.857 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 55023.994 ms
(16 registros)

bddnf=#
bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1316.03..220955.93 rows=1124677 width=763) (actual time=244.377..60442.839 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..178818.00 rows=2366010 width=363) (actual time=80.760..53877.018 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67260.59 rows=1475676 width=204) (actual time=41.410..28787.788 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..78320.11 rows=2366010 width=159) (actual time=39.330..15705.703 rows=2359915 loops=1)
   ->  Hash  (cost=1297.64..1297.64 rows=7356 width=400) (actual time=163.545..163.545 rows=7467 loops=1)
         ->  Hash Join  (cost=299.90..1297.64 rows=7356 width=400) (actual time=42.030..119.079 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=17.370..52.224 rows=15475 loops=1)
               ->  Hash  (cost=288.29..288.29 rows=4643 width=105) (actual time=24.575..24.575 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.25..288.29 rows=4643 width=105) (actual time=1.709..11.811 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.25 rows=4643 width=0) (actual time=1.651..1.651 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 61299.336 ms
(16 registros)

bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1316.03..220955.93 rows=1124677 width=763) (actual time=233.300..53302.334 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..178818.00 rows=2366010 width=363) (actual time=67.251..46748.565 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67260.59 rows=1475676 width=204) (actual time=25.227..25040.357 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..78320.11 rows=2366010 width=159) (actual time=42.001..12275.429 rows=2359915 loops=1)
   ->  Hash  (cost=1297.64..1297.64 rows=7356 width=400) (actual time=165.981..165.981 rows=7467 loops=1)
         ->  Hash Join  (cost=299.90..1297.64 rows=7356 width=400) (actual time=46.662..124.121 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=295) (actual time=17.363..52.142 rows=15475 loops=1)
               ->  Hash  (cost=288.29..288.29 rows=4643 width=105) (actual time=29.221..29.221 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.25..288.29 rows=4643 width=105) (actual time=1.822..13.759 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.25 rows=4643 width=0) (actual time=1.756..1.756 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 54145.081 ms
(16 registros)

bddnf=#


bddnf=# show all;
              name               |                           setting                            |                                         description

---------------------------------+--------------------------------------------------------------+-----------------------------------------------------------------------------------------
-----
 add_missing_from                | off                                                          | Automatically adds missing table references to FROM clauses.
 archive_command                 | unset                                                        | WAL archiving command.
 australian_timezones            | off                                                          | Interprets ACST, CST, EST, and SAT as Australian time zones.
 authentication_timeout          | 60                                                           | Sets the maximum time in seconds to complete client authentication.
 autovacuum                      | off                                                          | Starts the autovacuum subprocess.
 autovacuum_analyze_scale_factor | 0.2                                                          | Number of tuple inserts, updates or deletes prior to analyze as a fraction of reltuples.
 autovacuum_analyze_threshold    | 500                                                          | Minimum number of tuple inserts, updates or deletes prior to analyze.
 autovacuum_naptime              | 60                                                           | Time to sleep between autovacuum runs, in seconds.
 autovacuum_vacuum_cost_delay    | -1                                                           | Vacuum cost delay in milliseconds, for autovacuum.
 autovacuum_vacuum_cost_limit    | -1                                                           | Vacuum cost amount available before napping, for autovacuum.
 autovacuum_vacuum_scale_factor  | 0.4                                                          | Number of tuple updates or deletes prior to vacuum as a fraction of reltuples.
 autovacuum_vacuum_threshold     | 1000                                                         | Minimum number of tuple updates or deletes prior to vacuum.
 bgwriter_all_maxpages           | 5                                                            | Background writer maximum number of all pages to flush per round
 bgwriter_all_percent            | 0.333                                                        | Background writer percentage of all buffers to flush per round
 bgwriter_delay                  | 2000                                                         | Background writer sleep time between rounds in milliseconds
 bgwriter_lru_maxpages           | 5                                                            | Background writer maximum number of LRU pages to flush per round
 bgwriter_lru_percent            | 1                                                            | Background writer percentage of LRU buffers to flush per round
 block_size                      | 8192                                                         | Shows size of a disk block
 bonjour_name                    | unset                                                        | Sets the Bonjour broadcast service name.
 check_function_bodies           | on                                                           | Check function bodies during CREATE FUNCTION.
 checkpoint_segments             | 8                                                            | Sets the maximum distance in log segments between automatic WAL checkpoints.
 checkpoint_timeout              | 800                                                          | Sets the maximum time in seconds between automatic WAL checkpoints.
 checkpoint_warning              | 30                                                           | Logs if filling of checkpoint segments happens more frequently than this (in seconds).
 client_encoding                 | LATIN1                                                       | Sets the client's character set encoding.
 client_min_messages             | notice                                                       | Sets the message levels that are sent to the client.
 commit_delay                    | 0                                                            | Sets the delay in microseconds between transaction commit and flushing WAL to disk.
 commit_siblings                 | 5                                                            | Sets the minimum concurrent open transactions before performing commit_delay.
 config_file                     | C:/Arquivos de programas/PostgreSQL/8.1/data/postgresql.conf | Sets the server's main configuration file.
 constraint_exclusion            | off                                                          | Enables the planner to use constraints to optimize queries.
 cpu_index_tuple_cost            | 0.001                                                        | Sets the planner's estimate of processing cost for each index tuple (row) during index s
can.
 cpu_operator_cost               | 0.0025                                                       | Sets the planner's estimate of processing cost of each operator in WHERE.
 cpu_tuple_cost                  | 0.01                                                         | Sets the planner's estimate of the cost of processing each tuple (row).
 custom_variable_classes         | unset                                                        | Sets the list of known custom variable classes.
 data_directory                  | C:/Arquivos de programas/PostgreSQL/8.1/data                 | Sets the server's data directory.
 DateStyle                       | ISO, MDY                                                     | Sets the display format for date and time values.
 db_user_namespace               | off                                                          | Enables per-database user names.
 deadlock_timeout                | 1000                                                         | The time in milliseconds to wait on lock before checking for deadlock.
 debug_pretty_print              | off                                                          | Indents parse and plan tree displays.
 debug_print_parse               | off                                                          | Prints the parse tree to the server log.
 debug_print_plan                | off                                                          | Prints the execution plan to server log.
 debug_print_rewritten           | off                                                          | Prints the parse tree after rewriting to server log.
 default_statistics_target       | 10                                                           | Sets the default statistics target.
 default_tablespace              | unset                                                        | Sets the default tablespace to create tables and indexes in.
 default_transaction_isolation   | read committed                                               | Sets the transaction isolation level of each new transaction.
 default_transaction_read_only   | off                                                          | Sets the default read-only status of new transactions.
 default_with_oids               | off                                                          | Create new tables with OIDs by default.
 dynamic_library_path            | $libdir                                                      | Sets the path for dynamically loadable modules.
 effective_cache_size            | 100000                                                       | Sets the planner's assumption about size of the disk cache.
 enable_bitmapscan               | on                                                           | Enables the planner's use of bitmap-scan plans.
 enable_hashagg                  | on                                                           | Enables the planner's use of hashed aggregation plans.
 enable_hashjoin                 | on                                                           | Enables the planner's use of hash join plans.
 enable_indexscan                | on                                                           | Enables the planner's use of index-scan plans.
 enable_mergejoin                | on                                                           | Enables the planner's use of merge join plans.
 enable_nestloop                 | on                                                           | Enables the planner's use of nested-loop join plans.
 enable_seqscan                  | on                                                           | Enables the planner's use of sequential-scan plans.
 enable_sort                     | on                                                           | Enables the planner's use of explicit sort steps.
 enable_tidscan                  | on                                                           | Enables the planner's use of TID scan plans.
 escape_string_warning           | off                                                          | Warn about backslash escapes in ordinary string literals.
 explain_pretty_print            | on                                                           | Uses the indented output format for EXPLAIN VERBOSE.
 external_pid_file               | unset                                                        | Writes the postmaster PID to the specified file.
 extra_float_digits              | 0                                                            | Sets the number of digits displayed for floating-point values.
 from_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which subqueries are not collapsed.
 fsync                           | on                                                           | Forces synchronization of updates to disk.
 full_page_writes                | on                                                           | Writes full pages to WAL when first modified after a checkpoint.
 geqo                            | on                                                           | Enables genetic query optimization.
 geqo_effort                     | 5                                                            | GEQO: effort is used to set the default for other GEQO parameters.
 geqo_generations                | 0                                                            | GEQO: number of iterations of the algorithm.
 geqo_pool_size                  | 0                                                            | GEQO: number of individuals in the population.
 geqo_selection_bias             | 2                                                            | GEQO: selective pressure within the population.
 geqo_threshold                  | 2                                                            | Sets the threshold of FROM items beyond which GEQO is used.
 hba_file                        | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_hba.conf     | Sets the server's "hba" configuration file
 ident_file                      | C:/Arquivos de programas/PostgreSQL/8.1/data/pg_ident.conf   | Sets the server's "ident" configuration file
 integer_datetimes               | off                                                          | Datetimes are integer based.
 join_collapse_limit             | 8                                                            | Sets the FROM-list size beyond which JOIN constructs are not flattened.
 krb_caseins_users               | off                                                          | Sets whether Kerberos user names should be treated as case-insensitive.
 krb_server_hostname             | unset                                                        | Sets the hostname of the Kerberos server.
 krb_server_keyfile              | FILE:/usr/local/pgsql/etc/krb5.keytab                        | Sets the location of the Kerberos server key file.
 krb_srvname                     | postgres                                                     | Sets the name of the Kerberos service.
 lc_collate                      | C                                                            | Shows the collation order locale.
 lc_ctype                        | C                                                            | Shows the character classification and case conversion locale.
 lc_messages                     | C                                                            | Sets the language in which messages are displayed.
 lc_monetary                     | C                                                            | Sets the locale for formatting monetary amounts.
 lc_numeric                      | C                                                            | Sets the locale for formatting numbers.
 lc_time                         | C                                                            | Sets the locale for formatting date and time values.
 listen_addresses                | *                                                            | Sets the host name or IP address(es) to listen to.
 log_connections                 | off                                                          | Logs each successful connection.
 log_destination                 | stderr                                                       | Sets the destination for server log output.
 log_directory                   | pg_log                                                       | Sets the destination directory for log files.
 log_disconnections              | off                                                          | Logs end of a session, including duration.
 log_duration                    | off                                                          | Logs the duration of each completed SQL statement.
 log_error_verbosity             | default                                                      | Sets the verbosity of logged messages.
 log_executor_stats              | off                                                          | Writes executor performance statistics to the server log.
 log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log                               | Sets the file name pattern for log files.
 log_hostname                    | off                                                          | Logs the host name in the connection logs.
 log_line_prefix                 | %t                                                           | Controls information prefixed to each log line
 log_min_duration_statement      | -1                                                           | Sets the minimum execution time in milliseconds above which statements will be logged.
 log_min_error_statement         | panic                                                        | Causes all statements generating error at or above this level to be logged.
 log_min_messages                | notice                                                       | Sets the message levels that are logged.
 log_parser_stats                | off                                                          | Writes parser performance statistics to the server log.
 log_planner_stats               | off                                                          | Writes planner performance statistics to the server log.
 log_rotation_age                | 1440                                                         | Automatic log file rotation will occur after N minutes
 log_rotation_size               | 10240                                                        | Automatic log file rotation will occur after N kilobytes
 log_statement                   | none                                                         | Sets the type of statements logged.
 log_statement_stats             | off                                                          | Writes cumulative performance statistics to the server log.
 log_truncate_on_rotation        | off                                                          | Truncate existing log files of same name during log rotation.
 maintenance_work_mem            | 16384                                                        | Sets the maximum memory to be used for maintenance operations.
 max_connections                 | 10                                                           | Sets the maximum number of concurrent connections.
 max_files_per_process           | 1000                                                         | Sets the maximum number of simultaneously open files for each server process.
 max_fsm_pages                   | 60000                                                        | Sets the maximum number of disk pages for which free space is tracked.
 max_fsm_relations               | 1500                                                         | Sets the maximum number of tables and indexes for which free space is tracked.
 max_function_args               | 100                                                          | Shows the maximum number of function arguments.
 max_identifier_length           | 63                                                           | Shows the maximum identifier length
 max_index_keys                  | 32                                                           | Shows the maximum number of index keys.
 max_locks_per_transaction       | 64                                                           | Sets the maximum number of locks per transaction.
 max_prepared_transactions       | 20                                                           | Sets the maximum number of simultaneously prepared transactions.
 max_stack_depth                 | 16380                                                        | Sets the maximum stack depth, in kilobytes.
 password_encryption             | on                                                           | Encrypt passwords.
 port                            | 5432                                                         | Sets the TCP port the server listens on.
 pre_auth_delay                  | 0                                                            | no description available
 preload_libraries               | unset                                                        | Lists shared libraries to preload into server.
 random_page_cost                | 3                                                            | Sets the planner's estimate of the cost of a nonsequentially fetched disk page.
 redirect_stderr                 | on                                                           | Start a subprocess to capture stderr output into log files.
 regex_flavor                    | advanced                                                     | Sets the regular expression "flavor".
 search_path                     | $user,public                                                 | Sets the schema search order for names that are not schema-qualified.
 server_encoding                 | LATIN1                                                       | Sets the server (database) character set encoding.
 server_version                  | 8.1.2                                                        | Shows the server version.
 shared_buffers                  | 32768                                                        | Sets the number of shared memory buffers used by the server.
 silent_mode                     | off                                                          | Runs the server silently.
 sql_inheritance                 | on                                                           | Causes subtables to be included by default in various commands.
 ssl                             | off                                                          | Enables SSL connections.
 standard_conforming_strings     | off                                                          | '...' strings treat backslashes literally.
 statement_timeout               | 0                                                            | Sets the maximum allowed duration (in milliseconds) of any statement.
 stats_block_level               | off                                                          | Collects block-level statistics on database activity.
 stats_command_string            | off                                                          | Collects statistics about executing commands.
 stats_reset_on_server_start     | off                                                          | Zeroes collected statistics on server restart.
 stats_row_level                 | off                                                          | Collects row-level statistics on database activity.
 stats_start_collector           | on                                                           | Starts the server statistics-collection subprocess.
 superuser_reserved_connections  | 2                                                            | Sets the number of connection slots reserved for superusers.
 tcp_keepalives_count            | 0                                                            | Maximum number of TCP keepalive retransmits.
 tcp_keepalives_idle             | 0                                                            | Seconds between issuing TCP keepalives.
 tcp_keepalives_interval         | 0                                                            | Seconds between TCP keepalive retransmits.
 temp_buffers                    | 8000                                                         | Sets the maximum number of temporary buffers used by each session.
 TimeZone                        | GMT3                                                         | Sets the time zone for displaying and interpreting time stamps.
 trace_notify                    | off                                                          | Generates debugging output for LISTEN and NOTIFY.
 trace_sort                      | off                                                          | Emit information about resource usage in sorting.
 transaction_isolation           | read committed                                               | Sets the current transaction's isolation level.
 transaction_read_only           | off                                                          | Sets the current transaction's read-only status.
 transform_null_equals           | off                                                          | Treats "expr=NULL" as "expr IS NULL".
 unix_socket_directory           | unset                                                        | Sets the directory where the Unix-domain socket will be created.
 unix_socket_group               | unset                                                        | Sets the owning group of the Unix-domain socket.
 unix_socket_permissions         | 511                                                          | Sets the access permissions of the Unix-domain socket.
 vacuum_cost_delay               | 0                                                            | Vacuum cost delay in milliseconds.
 vacuum_cost_limit               | 200                                                          | Vacuum cost amount available before napping.
 vacuum_cost_page_dirty          | 20                                                           | Vacuum cost for a page dirtied by vacuum.
 vacuum_cost_page_hit            | 1                                                            | Vacuum cost for a page found in the buffer cache.
 vacuum_cost_page_miss           | 10                                                           | Vacuum cost for a page not found in the buffer cache.
 wal_buffers                     | 1000                                                         | Sets the number of disk-page buffers in shared memory for WAL.
 wal_sync_method                 | open_datasync                                                | Selects the method used for forcing WAL updates out to disk.
 work_mem                        | 196000                                                       | Sets the maximum memory to be used for query workspaces.
 zero_damaged_pages              | off                                                          | Continues processing past damaged page headers.
(160 registros)

bddnf=#
bddnf-# \di
                                            Lista de relaes
 Esquema |                       Nome                        |  Tipo  |   Dono   |        Tabela
---------+---------------------------------------------------+--------+----------+-----------------------
 public  | agrupamento_erro_pkey                             | ndice | postgres | agrupamento_erro
 public  | arquivo_processado_pkey                           | ndice | postgres | arquivo_processado
 public  | cadastro_pkey                                     | ndice | postgres | cadastro
 public  | declaracao_pkey                                   | ndice | postgres | declaracao
 public  | empresa_pkey                                      | ndice | postgres | empresa
 public  | erro_pkey                                         | ndice | postgres | erro
 public  | fki_cadastro_id_declaracao_fkey                   | ndice | postgres | cadastro
 public  | fki_cadastro_id_empresa_fkey                      | ndice | postgres | cadastro
 public  | fki_declaracao_id_arquivo_fkey                    | ndice | postgres | declaracao
 public  | fki_declaracao_id_empresa_fkey                    | ndice | postgres | declaracao
 public  | fki_erro_id_agrupamento_fkey                      | ndice | postgres | erro
 public  | fki_erro_id_arquivo_fkey                          | ndice | postgres | erro
 public  | fki_erro_id_declaracao_fkey                       | ndice | postgres | erro
 public  | fki_erro_id_erro_agrupador_fkey                   | ndice | postgres | erro
 public  | fki_erro_id_tipo_erro_fkey                        | ndice | postgres | erro
 public  | fki_item_nota_id_nf_fkey                          | ndice | postgres | item_nota
 public  | fki_item_nota_id_produto_fkey                     | ndice | postgres | item_nota
 public  | fki_nota_fiscal_id_cadastro_fkey                  | ndice | postgres | nota_fiscal
 public  | fki_processamento_arquivo_id_arquivo_fkey         | ndice | postgres | processamento_arquivo
 public  | fki_produto_id_produto_oficial_fkey               | ndice | postgres | produto
 public  | fki_tipo_produto_empresa_id_empresa_fkey          | ndice | postgres | tipo_produto_empresa
 public  | fki_tipo_produto_empresa_id_tipo_uso_produto_fkey | ndice | postgres | tipo_produto_empresa
 public  | fki_uso_produto_id_produto_fkey                   | ndice | postgres | uso_produto
 public  | fki_uso_produto_id_tipo_uso_produto_fkey          | ndice | postgres | uso_produto
 public  | idx_cnpj_empresa                                  | ndice | postgres | empresa
 public  | idx_co_mercadoria_nao_oficial                     | ndice | postgres | produto
 public  | idx_co_ncm                                        | ndice | postgres | produto
 public  | idx_co_produto_in359                              | ndice | postgres | produto
 public  | idx_co_produto_in445                              | ndice | postgres | produto
 public  | idx_co_produto_in63                               | ndice | postgres | produto
 public  | idx_dh_fim_proc                                   | ndice | postgres | processamento_arquivo
 public  | idx_dh_inicio_proc                                | ndice | postgres | processamento_arquivo
 public  | idx_dh_recepcao_legal                             | ndice | postgres | declaracao
 public  | idx_dh_recepcao_trans                             | ndice | postgres | declaracao
 public  | idx_dt_emissao                                    | ndice | postgres | nota_fiscal
 public  | idx_dt_referencia                                 | ndice | postgres | declaracao
 public  | idx_no_arquivo                                    | ndice | postgres | arquivo_processado
 public  | idx_nu_bytes_arq                                  | ndice | postgres | arquivo_processado
 public  | idx_nu_linha                                      | ndice | postgres | declaracao
 public  | idx_nu_serie_nf                                   | ndice | postgres | nota_fiscal
 public  | idx_nu_severidade                                 | ndice | postgres | erro
 public  | idx_va_total                                      | ndice | postgres | item_nota
 public  | idx_versao_layout                                 | ndice | postgres | declaracao
 public  | item_nota_pkey                                    | ndice | postgres | item_nota
 public  | linha_arquivo_pkey                                | ndice | postgres | linha_arquivo
 public  | nota_fiscal_pkey                                  | ndice | postgres | nota_fiscal
 public  | pkteste                                           | ndice | postgres | teste
 public  | processamento_arquivo_pkey                        | ndice | postgres | processamento_arquivo
 public  | produto_pkey                                      | ndice | postgres | produto
 public  | prorrogacao_entrega_pkey                          | ndice | postgres | prorrogacao_entrega
 public  | tipo_erro_pkey                                    | ndice | postgres | tipo_erro
 public  | tipo_produto_empresa_pkey                         | ndice | postgres | tipo_produto_empresa
 public  | tipo_uso_produto_pkey                             | ndice | postgres | tipo_uso_produto
 public  | uso_produto_pkey                                  | ndice | postgres | uso_produto
(54 registros)

bddnf-#
bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                 QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1358.09..286325.74 rows=1371247 width=763) (actual time=223.223..257901.947 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..235864.85 rows=2831227 width=366) (actual time=31.304..250995.181 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67338.97 rows=1475676 width=207) (actual time=18.238..99369.577 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..129464.50 rows=2831227 width=159) (actual time=13.043..141801.394 rows=2359915 loops=1)
   ->  Hash  (cost=1339.35..1339.35 rows=7495 width=397) (actual time=191.768..191.768 rows=7467 loops=1)
         ->  Hash Join  (cost=301.52..1339.35 rows=7495 width=397) (actual time=52.432..150.984 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=293) (actual time=0.090..54.155 rows=15475 loops=1)
               ->  Hash  (cost=289.70..289.70 rows=4731 width=104) (actual time=52.279..52.279 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.56..289.70 rows=4731 width=104) (actual time=28.802..40.664 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.56 rows=4731 width=0) (actual time=21.337..21.337 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 258819.404 ms
(16 registros)

bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.I                                                                                inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                 QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1358.09..307559.95 rows=1371247 width=763) (actual time=278.819..157017.214 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..235864.85 rows=2831227 width=366) (actual time=63.127..149674.387 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67338.97 rows=1475676 width=207) (actual time=35.943..68926.090 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..129464.50 rows=2831227 width=159) (actual time=27.166..70505.652 rows=2359915 loops=1)
   ->  Hash  (cost=1339.35..1339.35 rows=7495 width=397) (actual time=215.633..215.633 rows=7467 loops=1)
         ->  Hash Join  (cost=301.52..1339.35 rows=7495 width=397) (actual time=62.166..172.356 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=293) (actual time=12.862..79.732 rows=15475 loops=1)
               ->  Hash  (cost=289.70..289.70 rows=4731 width=104) (actual time=49.234..49.234 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.56..289.70 rows=4731 width=104) (actual time=26.985..38.170 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.56 rows=4731 width=0) (actual time=13.137..13.137 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 157976.347 ms
(16 registros)

bddnf=#
bddnf=# explain  analyze select * from DECLARACAO DEC  inner join CADASTRO CAD on (CAD.ID_DECLARACAO=DEC.ID_DECLARACAO)     inner join NOTA_FISCAL NF on (NF.ID_CADASTRO=CAD.ID_CADASTRO) inner join ITEM_NOTA INF on (INF.ID_NF=NF.ID_NF) where DEC.ID_ARQUIVO=1;
                                                                                 QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Hash Join  (cost=1358.09..286325.74 rows=1371247 width=763) (actual time=265.876..80501.996 rows=1151043 loops=1)
   Hash Cond: ("outer".id_cadastro = "inner".id_cadastro)
   ->  Merge Join  (cost=0.00..235864.85 rows=2831227 width=366) (actual time=62.341..73077.629 rows=2359915 loops=1)
         Merge Cond: ("outer".id_nf = "inner".id_nf)
         ->  Index Scan using nota_fiscal_pkey on nota_fiscal nf  (cost=0.00..67338.97 rows=1475676 width=207) (actual time=35.041..34488.216 rows=1475676 loops=1)
         ->  Index Scan using fki_item_nota_id_nf_fkey on item_nota inf  (cost=0.00..129464.50 rows=2831227 width=159) (actual time=27.273..28129.667 rows=2359915 loops=1)
   ->  Hash  (cost=1339.35..1339.35 rows=7495 width=397) (actual time=203.464..203.464 rows=7467 loops=1)
         ->  Hash Join  (cost=301.52..1339.35 rows=7495 width=397) (actual time=58.086..158.749 rows=7467 loops=1)
               Hash Cond: ("outer".id_declaracao = "inner".id_declaracao)
               ->  Seq Scan on cadastro cad  (cost=0.00..730.75 rows=15475 width=293) (actual time=0.027..52.298 rows=15475 loops=1)
               ->  Hash  (cost=289.70..289.70 rows=4731 width=104) (actual time=57.994..57.994 rows=4667 loops=1)
                     ->  Bitmap Heap Scan on declaracao "dec"  (cost=31.56..289.70 rows=4731 width=104) (actual time=17.875..45.804 rows=4667 loops=1)
                           Recheck Cond: (id_arquivo = 1)
                           ->  Bitmap Index Scan on fki_declaracao_id_arquivo_fkey  (cost=0.00..31.56 rows=4731 width=0) (actual time=17.800..17.800 rows=4667 loops=1)
                                 Index Cond: (id_arquivo = 1)
 Total runtime: 81420.771 ms
(16 registros)

bddnf=#