But when I try to look at that wrong index it seems to be ok?
# psql
psql (8.4.8)
Type "help" for help.
pref=> \d pref_match
Table "public.pref_match"
Column | Type | Modifiers
-----------+-----------------------+-----------------------------------------
id | character varying(32) |
started | integer | default 0
completed | integer | default 0
quit | integer | default 0
yw | character(7) | default to_char(now(), 'IYYY-IW'::text)
win | integer | default 0
Indexes:
"pref_match_yw_index" btree (yw)
Check constraints:
"pref_match_check" CHECK (completed >= win AND win >= 0)
"pref_match_completed_check" CHECK (completed >= 0)
"pref_match_quit_check" CHECK (quit >= 0)
"pref_match_started_check" CHECK (started >= 0)
Foreign-key constraints:
"pref_match_id_fkey" FOREIGN KEY (id) REFERENCES pref_users(id)
pref=> \d pref_money
Table "public.pref_money"
Column | Type | Modifiers
--------+-----------------------+-----------------------------------------
id | character varying(32) |
money | integer | not null
yw | character(7) | default to_char(now(), 'IYYY-IW'::text)
Indexes:
"pref_money_yw_index" btree (yw)
Foreign-key constraints:
"pref_money_id_fkey" FOREIGN KEY (id) REFERENCES pref_users(id)
Thank you for the explanations.
I have 4 GB RAM in my Quad-Core AMD Opteron(tm) Processor 1381
CentOS 5.6 / 64 bit machine.
# select * from pg_stat_activity where current_query != '<IDLE>'
order by (now() - query_start) desc;
shows 0 to 3 commands at any time, so it's probably not much?
Regards
Alex
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