Re: Release changes

--On Tuesday, August 05, 2003 10:36:32 -0400 Bruce Momjian
<pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:

>
> Oh, yes. Let me add that. I didn't realize that was a change of enough
> significance.
>
> How is this?
>
> Prevent timestamp from supressing ':00' seconds display
Yes, considering that it's a format change and Tom didn't want to back port
because
it is a format change/behavior change.

Thanks!

LER

>
>
> -------------------------------------------------------------------------
> --
>
> Larry Rosenman wrote:
>> No, the one where we always print hh:mm:ss for an interval, even if
>> seconds is zero.
>>
>>
>>
>> --On Tuesday, August 05, 2003 01:03:57 -0400 Bruce Momjian
>> <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
>>
>> >
>> > I don't know about that item. There is a menion of allowing 60 seconds
>> > --- is that it?
>> >
>> > ----------------------------------------------------------------------
>> > --- --
>> >
>> > Larry Rosenman wrote:
>> >> What about the interval change in ISO datestyle for zero seconds?
>> >>
>> >> LER
>> >>
>> >>
>> >> --On Sunday, August 03, 2003 19:30:26 -0400 Bruce Momjian
>> >> <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
>> >>
>> >> >
>> >> > Here are the changes for 7.4. I am looking for any improvements.
>> >> > This will be adjusted as we move through beta.
>> >> >
>> >> > I need to work on the other sections of a major release, like a
>> >> > compatibility section.
>> >> >
>> >> > -------------------------------------------------------------------
>> >> > --- --- --
>> >> >
>> >> > Release Notes
>> >> >
>> >> > 7.4 Development Branch
>> >> >
>> >> >
>> >> > Valid as of 2003-08-01. Update release.sgml later.
>> >> >
>> >> >
>> >> > Server Operation
>> >> >
>> >> > Allow IPv6 server connections (Nigel Kukard, Johan Jordaan, Bruce,
>> >> > Tom, Kurt Roeckx, Andrew Dunstan)
>> >> > Fix SSL to handle errors cleanly (Nathan Mueller)
>> >> > SSL protocol security and performance improvements (Sean Chittenden)
>> >> > Print lock information when a deadlock is detected (Tom)
>> >> > Update /tmp socket files regularly to avoid their removal (Tom)
>> >> > Enable PAM for MAC OS X (Aaron Hillegass)
>> >> > Make btree indexes fully WAL-safe (Tom)
>> >> > Allow btree index compaction and empty page reuse (Tom)
>> >> > Fix inconsistent index lookups during split of first root page (Tom)
>> >> > Improve free space map allocation logic (Tom)
>> >> > Preserve free space information between postmaster restarts (Tom)
>> >> > Set proper schema permissions in initdb (Peter)
>> >> > Add start time to pg_stat_activity (Neil)
>> >> > New code to detect corrupt disk pages; erase with
>> >> > zero_damaged_pages (Tom) New client/server protocol: faster, no
>> >> > username length limit, allow clean exit
>> >> > Add transaction status, tableid, columnid to backend protocol (Tom)
>> >> > Add new binary I/O protocol (Tom)
>> >> > Remove autocommit server setting; move to client applications (Tom)
>> >> > New error message wording, error codes, and three levels of error
>> >> > detail (Tom)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Performance
>> >> >
>> >> > Add hashing for GROUP BY aggregates (Tom)
>> >> > Allow nested loops to be smarter about multicolumn indexes (Tom)
>> >> > Allow multi-key hash joins (Tom)
>> >> > Improve constant folding (Tom)
>> >> > Add ability to inline simple SQL functions (Tom)
>> >> > Reduce memory usage for queries using complex functions (Tom)
>> >> > Improve GEQO optimizer performance (Tom)
>> >> > Allow IN/NOT IN to be handled via hash tables (Tom)
>> >> > Improve NOT IN (subquery) performance (Tom)
>> >> > Allow most IN subqueries to be processed as joins (Tom)
>> >> > Improve reverse index scan performance (Tom)
>> >> > Improve optimizer cost computations, particularly for subqueries
>> >> > (Tom) Assume WHERE a.x = b.y and b.y = 42 also means a.x = 42 (Tom)
>> >> > Allow hash/merge joins on complex joins (Tom)
>> >> > Allow hash joins for more data types (Tom)
>> >> > Allow join optimization of ANSI joins, disable with
>> >> > join_collapse_limit (Tom) Add from_collapse_limit to control
>> >> > conversion of subqueries to joins (Tom) Use faster regex code from
>> >> > TCL (Henry Spencer, Tom) Use bit-mapped relation sets in the
>> >> > optimizer (Tom)
>> >> > Improve backend startup time (Tom)
>> >> > Improve trigger/constraint performance (Stephan)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Server Configuration
>> >> >
>> >> > Rename server parameter server_min_messages to log_min_messages
>> >> > (Bruce) Rename show_*_stats to log_*_stats (Bruce)
>> >> > Rename show_source_port to log_source_port (Bruce)
>> >> > Rename hostname_lookup to log_hostname (Bruce)
>> >> > Add checkpoint_warning to warn of excessive checkpointing (Bruce)
>> >> > Allow the postmaster to preload libraries using preload_libraries
>> >> > (Joe) New read-only server parameters for localization (Tom)
>> >> > Change debug server log messages to output as DEBUG rather than LOG
>> >> > (Bruce) Prevent server log variables from being turned off by
>> >> > non-super users (Bruce) log_min_messages/client_min_messages now
>> >> > controls debug_* output (Bruce) Add Rendezvous server support
>> >> > (Chris Campbell) Add ability to print only slow statements using
>> >> > log_min_duration_statement (Christopher)
>> >> > Allow pg_hba.conf to accept netmasks in CIDR format (Andrew Dunstan)
>> >> > New is_superuser read-only variable (Tom)
>> >> > New server-side parameter log_error_verbosity to control error
>> >> > detail (Tom) postgres --help-config now dumps server config
>> >> > variables (Tom) Make default shared_buffers 1000 and
>> >> > max_connections 100, if possible (Tom) Add pg_settings table to see
>> >> > server settings (Joe)
>> >> > Prevent assign_session_authorization() from being confused by
>> >> > all-numeric user names (Tom)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Queries
>> >> >
>> >> > New SQL-standard information schema (Peter)
>> >> > Add read-only transactions (Peter)
>> >> > Add server variable regex_flavor to control regular expression
>> >> > processing (Tom)
>> >> > Allow ORDER BY in FROM subqueries to be honored by outer queries
>> >> > (Tom) Print key name in foreign-key violation messages (Dmitry
>> >> > Tkach) Allow users to see their own queries in pg_stat_activity
>> >> > (Kevin Brown) Allow subquery aggregates to reference upper query
>> >> > columns (?) (Tom) Add option to prevent auto-addition of tables
>> >> > referenced in query (Nigel J. Andrews)
>> >> > Allow dollar signs in identifiers, except as first character (Tom)
>> >> > Allow UPDATE ... SET col = DEFAULT (Rod)
>> >> > Allow expressions to be used in LIMIT/OFFSET (Tom)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Object Manipulation
>> >> >
>> >> > Make CREATE SEQUENCE grammar more SQL1999 standards compliant (Neil)
>> >> > Add FOR EACH STATEMENT statement-level triggers (Neil Conway)
>> >> > Add DOMAIN CHECK constraints (Rod)
>> >> > Add ALTER DOMAIN .. SET / DROP NOT NULL, SET / DROP DEFAULT, ADD /
>> >> > DROP CONSTRAINT (Rod)
>> >> > Allow zero-column tables (Tom)
>> >> > Have ALTER TABLE ... ADD PRIMARY KEY add NOT NULL constraint (Rod)
>> >> > Add ALTER DOMAIN OWNER (Rod)
>> >> > Add pg_trigger.tgenabled to disable triggers? (Neil)
>> >> > Add ALTER TABLE ... WITHOUT OIDS? (Rod)
>> >> > Have parser honor foreign-key constraints if created via ALTER TABLE
>> >> > ADD COLUMN? (Tom)
>> >> > Add ALTER SEQUENCE to modify min/max/increment/cache/cycle values
>> >> > (Rod) Add ALTER TABLE ... CLUSTER ON (Alvaro Herrera)
>> >> > Improve DOMAIN automatic type casting (Tom)
>> >> > Disallow dollar signs in operator names (Tom)
>> >> > Allow SQL200X inheritance syntax LIKE <subtable>, INCLUDING
>> >> > DEFAULTS? (Rod) Object owners can allow grantees to grant privilege
>> >> > to others?
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Utility Commands
>> >> >
>> >> > Add ON COMMIT PRESERVE ROWS for temp tables (Gavin)
>> >> > Allow cursors outside transactions using WITH HOLD (Neil)
>> >> > Make MOVE/FETCH 0 actually move/fetch 0 (Bruce)
>> >> > Add MOVE ALL to move to end of cursor (Bruce)
>> >> > Cause FETCH 1 to return the current cursor row, or zero if at
>> >> > beginning/end of cursor, per SQL spec (Bruce)
>> >> > Have MOVE return 0 or 1 depending on cursor position (Bruce)
>> >> > Properly handle SCROLL with cursors, or report an error (Tom)
>> >> > Implement SQL92-compatible FIRST, LAST, ABSOLUTE n, RELATIVE n
>> >> > options for FETCH and MOVE (Tom)
>> >> > Allow EXPLAIN on DECLARE CURSOR (Tom)
>> >> > Allow CLUSTER to use index marked as pre-clustered by default
>> >> > (Alvaro Herrera) Allow CLUSTER without tablename clusters all
>> >> > tables (Alvaro Herrera) Prevent CLUSTER on partial indexes (Tom)
>> >> > Allow \r and \r\n termination for COPY files (Bruce)
>> >> > Disallow literal carriage return as a data value,
>> >> > backslash-carriage-return and \r still allowed (Bruce)
>> >> > COPY changes (binary, \.)? (Tom)
>> >> > Recover from COPY IN/OUT failure cleanly (Tom)
>> >> > Reduce memory used by COPY (Tom)
>> >> > Make TRUNCATE transaction-safe (Rod)
>> >> > Multiple pg_dump fixes, including tar format and large objects
>> >> > Allow pg_dump to dump specific schemas (Neil)
>> >> > Allow pg_dump to preserve column storage characteristics
>> >> > (Christopher) Allow pg_dump to preserve CLUSTER characteristics
>> >> > (Christopher) Have pg_dumpall use GRANT/REVOKE to dump
>> >> > database-level permissions (Tom) Allow pg_dumpall to support the
>> >> > -a, -s, -x options of pg_dump (Tom) Prevent pg_dump from
>> >> > lowercasing identifiers specified on the command line (Tom) Allow
>> >> > EXPLAIN EXECUTE (Neil)
>> >> > Allow pg_get_constraintdef() to support UNIQUE, PRIMARY KEY and
>> >> > CHECK constraints (Christopher)
>> >> > Improve VACUUM performance on indexes by reducing WAL traffic (Tom)
>> >> > Allow pg_ctl to better handle non-standard ports (Greg)
>> >> > Functional indexes now support indexes on column expressions (Tom)
>> >> > Syntax errors now reported as 'syntax error' rather than 'parse
>> >> > error' (Tom) Have SHOW TRANSACTION_ISOLATION match input to SET
>> >> > TRANSACTION_ISOLATION (Tom) Have COMMENT ON DATABASE on non-local
>> >> > database generate a warning (Tom)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Data Types and Functions
>> >> >
>> >> > New extra_float_digits server parameter to control float precision
>> >> > display (Pedro Ferreira, Tom)
>> >> > Allow +1300 as a numeric timezone specifier, for FJST (Tom)
>> >> > Remove rarely used oidrand(), oidsrand(), and userfntest() functions
>> >> > (Neil) Add md5() function to main server, already in
>> >> > /contrib/pgcrypto (Joe) Increase date range of timestamp (John
>> >> > Cochran)
>> >> > Change EXTRACT(EPOCH FROM timestamp) so timestamp without time zone
>> >> > is assumed to be in local time, not GMT (Tom)
>> >> > Trap division by zero in case the operating system doesn't prevent
>> >> > it (Tom) Change the NUMERIC data type internally to base 10000 (Tom)
>> >> > New hostmast() function (Greg Wickham)
>> >> > Fixes for to_char() (Karel)
>> >> > Allow functions that can take any argument data type and return
>> >> > any data type, using ANYELEMENT and ANYARRAY (Joe)
>> >> > Arrays may now be specified as ARRAY[1,2,3],
>> >> > ARRAY[['a','b'],['c','d']], or ARRAY[ARRAY[ARRAY[2]]] (Joe)
>> >> > Allow proper comparisons for arrays (Joe)
>> >> > Allow indexes on array columns, and used in ORDER BY and DISTINCT
>> >> > (Joe) Allow WHERE qualifications of the form 'col IN/ANY/SOME/ALL
>> >> > (array) (?) (Joe) Allow SQL functions to return arrays and take
>> >> > them as params (Joe) Allow array concatenation with '||' and normal
>> >> > array comparisons (Joe) New array functions array_append(),
>> >> > array_cat(), array_lower(), array_prepend(), array_to_string(),
>> >> > array_upper(), string_to_array() (Joe) Allow assignments to empty
>> >> > arrays (Joe)
>> >> > Allow 60 in seconds fields of timestamp, time, interval input values
>> >> > (Tom) Allow PREPARE/bind of utility commands like FETCH and EXPLAIN
>> >> > (Tom) Allow CIDR data type to be cast to text (Tom)
>> >> > Allow the creation of special LIKE indexes for non-C locales (Peter)
>> >> > Disallow invalid timezone names (Tom)
>> >> > Trim trailing spaces when CHAR() data is cast to VARCHAR or TEXT
>> >> > (Tom) Make FLOAT(p) measure the precision p in bits, not decimal
>> >> > digits (Tom) Add IPv6 support to the inet and cidr data types
>> >> > (Michael Graff) Add family() function to report whether address is
>> >> > IPv4 or IPv6 (Michael Graff) Have SHOW DATESTYLE generate output
>> >> > similar to that used by SET DATESTYLE (Tom) Change DATESTYLE to
>> >> > output its value in a more common format (Tom) Make
>> >> > EXTRACT(TIMEZONE) and SET/SHOW TIMEZONE follow the SQL convention
>> >> > for the sign of timezone offsets, ie, positive is east from UTC
>> >> > (Tom) Fix date_trunc('quarter',...) (B?jthe Zolt?n)
>> >> > Make initcap() more compatible with Oracle (Mike Nolan)
>> >> > Honor only DateStyle setting for date entry without a four-digit
>> >> > year (Greg) Add new DateStyle values MDY, DMY, and YMD, honor US and
>> >> > European for backward compatibility (Tom)
>> >> > 'now' will no longer work as a default, use now() (change required
>> >> > for prepared statements) (Tom)
>> >> > Assume NaN value to be larger than any other value in comparisons
>> >> > (Tom)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Server-side Languages
>> >> >
>> >> > Prevent PL/pgSQL crash when RETURN NEXT is used on a zero-row record
>> >> > (Tom) Make PL/python's spi_execute interface handle NULLs properly
>> >> > (Andrew Bosma) Allow PL/pgSQL to declare variables of composite
>> >> > types without %ROWTYPE (Tom) Fix PL/python _quote() function to
>> >> > handle big integers (?) Make PL/python an untrusted language, now
>> >> > called plpythonu (Kevin Jacobs, Tom) Change PL/pgSQL EXECUTE INTO
>> >> > to CREATE TABLE AS EXECUTE? (Peter)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Psql
>> >> >
>> >> > Add "\pset pager always" to always use pager (Greg)
>> >> > Improve tab completion (Rod, Ross Reedstrom, Ian Barwick)
>> >> > Reorder \? help into groupings (Harald Armin Massa, Bruce)
>> >> > Add schema, cast, and conversion backslash commands (Christopher)
>> >> > \encoding now tracks client_encoding server variable (Tom)
>> >> > Save edit history into readline history (Ross)
>> >> > Improve \d display (Christopher)
>> >> > Enhance HTML mode to be more standards-compliant (Greg)
>> >> > New '\set autocommit off' capability (Tom)
>> >> > New '\set verbosity' to control error detail (Tom)
>> >> > New %T prompt string to show transaction status (Tom)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Libpq
>> >> >
>> >> > Allow PQcmdTuples() to return row counts for MOVE and FETCH (Neil)
>> >> > Add PQfreemem() for freeing memory on Win32, suggest for NOTIFY
>> >> > (Bruce) Document service capability, and add sample file (Bruce)
>> >> > Make PQsetdbLogin() have the same defaults as PQconnectdb() (Tom)
>> >> > Allow libpq to cleanly fail when result sets are too large (Tom)
>> >> > Improve performance of PGunescapeBytea() (Ben Lamb)
>> >> > Allow threaded with --enable-thread-safety (Lee Kindness, Bruce)
>> >> > Allow pqInternalNotice() to accept a format string and args instead
>> >> > of just a preformatted message (Tom, Sean Chittenden)
>> >> > Allow control SSL negotiation with sslmode values "disable",
>> >> > "allow", "Prefer", and "require" (Jon Jensen)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > JDBC
>> >> >
>> >> > Allow setNull on updateable resultsets
>> >> > Allow executeBatch on a prepared statement (Barry)
>> >> > Support SSL connections (Barry)
>> >> > Handle schema names in result sets (Paul Sorenson)
>> >> > Add refcursor support (Nic Ferrier)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Miscellaneous Interfaces
>> >> >
>> >> > Prevent possible memory leak or core dump during libpgtcl shutdown
>> >> > (Tom) Add ecpg Informix compatibility (Michael)
>> >> > Add ecpg DECIMAL type that is fixed length, for Informix (Michael)
>> >> > Allow threaded ecpg with --enable-thread-safety (Lee Kindness,
>> >> > Bruce) Allow client interfaces to compile under MinGW/win32 (Bruce)
>> >> > Move python client interface to http://www.pygresql.org (Marc)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Source Code
>> >> >
>> >> > Prevent need for separate platform geometry regression result files
>> >> > (Tom) Improved PPC locking primitive (Reinhard Max)
>> >> > Embed LD_LIBRARY_PATH used for build process into binaries (Billy)
>> >> > New palloc0 to allocate and clear memory (Bruce)
>> >> > Fix locking code for s390x CPU (64-bit) (Tom)
>> >> > Allow OpenBSD to use local indent credentials (William Ahern)
>> >> > Allow read-only query plans (Tom)
>> >> > Add Darwin startup scripts (David Wheeler)
>> >> > Allow libpq to compile with Borland C++ compiler (Lester Godwin,
>> >> > Karl Waclawek) Use our own version of getopt_long() if needed
>> >> > (Peter) Convert administration scripts to C (Peter)
>> >> > Bison >=1.85 is now required for grammar changes
>> >> > Merge documentation into one book (Peter)
>> >> > Add Win32 compatibility functions (Bruce)
>> >> > New ereport() function for error reporting (Tom)
>> >> > Support Intel Linux compiler (Peter)
>> >> > Improve Linux startup scripts (Slawomir Sudnik, Darko Prenosil)
>> >> > Add support for AMD Opteron and Itanium (Jeffrey W. Baker, Bruce)
>> >> >
>> >> > ______________________________________________________________
>> >> > ___
>> >> >
>> >> > Contrib
>> >> >
>> >> > Change dbmirror license to BSD
>> >> > Improve earthdistance (Bruno Wolff III)
>> >> > Portability improvements to pgcrypto (Marko Kreen)
>> >> > Prevent xml crash (John Gray, Michael Richards)
>> >> > Upgrade oracle
>> >> > Upgrade mysql
>> >> > Update cube (Bruno Wolff III)
>> >> > Update earthdistance to use cube (Bruno Wolff III)
>> >> > Update btree_gist (Oleg)
>> >> > Add hashes to tablefuncs (Joe)
>> >> > New pg_autovacuum allows automatic VACUUM (Matthew T. O'Connor)
>> >> > Allow pgbench to honor PGHOST, PGPORT, PGUSER env. variables
>> >> > (Tatsuo) Improve intarray (Teodor Sigaev)
>> >> > Improve pgstattuple (Rod)
>> >> > Fix second argument to metaphone() in fullystrmatch
>> >> > Add named persistent connections to dblink (Shridhar Daithanka)
>> >> > Improve adddepend (Rod)
>> >> > Update spi/timetravel (B?jthe Zolt?n)
>> >> > Fix dbase -s option (Thomas Behr)
>> >>
>> >>
>> >>
>> >> --
>> >> Larry Rosenman http://www.lerctr.org/~ler
>> >> Phone: +1 972-414-9812 E-Mail: ler(at)lerctr(dot)org
>> >> US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
>> >>
>>
>>
>>
>> --
>> Larry Rosenman http://www.lerctr.org/~ler
>> Phone: +1 972-414-9812 E-Mail: ler(at)lerctr(dot)org
>> US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
>>
>>
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--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler(at)lerctr(dot)org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749