Re: index / sequential scan problem

On 17 Jul 2003 at 11:01, Fabian Kreitner wrote:
> psql (PostgreSQL) 7.2.2
> 
> perg_1097=# VACUUM ANALYZE ;
> VACUUM
> perg_1097=# EXPLAIN ANALYZE    select  notiz_id, obj_id, obj_typ
> perg_1097-#     from    notiz_objekt a
> perg_1097-#     where not exists
> perg_1097-#     (
> perg_1097(#       select  1
> perg_1097(#       from    notiz_gelesen b
> perg_1097(#       where   ma_id  = 2001
> perg_1097(#       and     ma_pid = 1097
> perg_1097(#       and     a.notiz_id = b.notiz_id
> perg_1097(#     )
> perg_1097-# ;

For 31K records, seq. scan does not sound like a bad plan to me but anyway..

How about 

 where   ma_id  = 2001::integer
and     ma_pid = 1097::integer 

in above query?

Bye
 Shridhar

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