I run ANALYZE and the problem resolved
Thanks
>Yonatan Goraly kirjutas P, 26.10.2003 kell 00:25:
>
>
>>I am in the process of adding PostgreSQL support for an application,
>>in addition to Oracle and MS SQL.
>>I am using PostgreSQL version 7.3.2, Red Hat 9.0 on Intel Pentium III
>>board.
>>
>>I have a query that generally looks like this:
>>
>>SELECT t1.col1, t2.col1 FROM t1, t2 WHERE t1.x=t2.y AND t2.p='string'
>>AND t2.q=1
>>
>>This query is strikingly slow (about 100 sec when both t1 and t2 has
>>about 1,200 records, compare with less than 4 sec with MS SQL and
>>Oracle)
>>
>>
>
>always send results of EXPLAIN ANALYZE if you ask for help on [PERFORM]
>
>knowing which indexes you have would also help.
>
>and you should have run ANALYZE too.
>
>-----------------
>Hannu
>
>
>
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