Re: Postgres 8.3 is not using indexes - Mailing list pgsql-general

From Schwaighofer Clemens
Subject Re: Postgres 8.3 is not using indexes
Date
Msg-id fed954960808141534i291d28b9pc1837f450385a82b@mail.gmail.com
Whole thread Raw
In response to Re: Postgres 8.3 is not using indexes  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-general


On Thu, Aug 14, 2008 at 20:27, Peter Eisentraut <peter_e@gmx.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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