Re: Postgres 8.3 is not using indexes

On Thu, Aug 14, 2008 at 20:27, Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:

> Am Thursday, 14. August 2008 schrieb Clemens Schwaighofer:
> > Why is Postgres not using the indexes in the 8.3 installation.
>
> Might have something to do with the removal of some implicit casts. You
> should show us your table definitions.
>

email table:

Table "public.email"
Column | Type |
Modifiers
----------------+-----------------------------+----------------------------------------------------------
row_status | integer |
date_created | timestamp without time zone | default now()
date_updated | timestamp without time zone |
user_created | character varying(25) | default "current_user"()
user_updated | character varying(25) |
email_id | integer | not null default
nextval('email_email_id_seq'::regclass)
email_group_id | integer | not null
email | character varying |
status | smallint | default 0
custom_field_1 | character varying |
custom_field_2 | character varying |
custom_field_3 | character varying |
custom_field_4 | character varying |
custom_field_5 | character varying |
custom_field_6 | character varying |
custom_field_7 | character varying |
custom_field_8 | character varying |
custom_field_9 | character varying |
delete_mark | smallint |
checked_count | integer | default 0
error_count | integer | default 0
error_flag | smallint | default 0
key | character varying |
type | character varying |
Indexes:
"email_pkey" PRIMARY KEY, btree (email_id)
"idx_email_email" btree (email)
"idx_email_email_group_id" btree (email_group_id)
"idx_email_status" btree (status)
Foreign-key constraints:
"email_email_group_id_fkey" FOREIGN KEY (email_group_id) REFERENCES
email_group(email_group_id) MATCH FULL ON UPDATE CASCADE ON DELETE CASCADE
Triggers:
trg_email BEFORE INSERT OR UPDATE ON email FOR EACH ROW EXECUTE
PROCEDURE set_generic()
Inherits: generic

email_group table:

Table "public.email_group"
Column | Type
| Modifiers
--------------------+-----------------------------+----------------------------------------------------------------------
row_status | integer |
date_created | timestamp without time zone | default now()
date_updated | timestamp without time zone |
user_created | character varying(25) | default "current_user"()
user_updated | character varying(25) |
email_group_id | integer | not null default
nextval('email_group_email_group_id_seq'::regclass)
pre_email_group_id | integer |
edit_access_id | integer | not null
name | character varying | not null
group_type | smallint |
count | integer |
bad_count | integer |
hidden | smallint | default 0
Indexes:
"email_group_pkey" PRIMARY KEY, btree (email_group_id)
"idx_email_group_edit_access_id" btree (edit_access_id)
"idx_email_group_pre_email_group_id" btree (pre_email_group_id)
Foreign-key constraints:
"email_group_edit_access_id_fkey" FOREIGN KEY (edit_access_id)
REFERENCES edit_access(edit_access_id) MATCH FULL ON UPDATE CASCADE ON
DELETE RESTRICT
"email_group_pre_email_group_id_fkey" FOREIGN KEY (pre_email_group_id)
REFERENCES email_group(email_group_id) MATCH FULL ON UPDATE CASCADE ON
DELETE CASCADE
Triggers:
trg_email_group BEFORE INSERT OR UPDATE ON email_group FOR EACH ROW
EXECUTE PROCEDURE set_generic()
Inherits: generic

--
[ Clemens Schwaighofer -----=====:::::~ ]
[ IT Engineer/Manager ]
[ E-Graphics Communications, TEQUILA\ Japan IT Group ]
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