Re: Incorrect index used in few cases.. - Mailing list pgsql-performance

AminPG Jaffer <aminjaffer.pg@gmail.com> writes:
> Is there an explanation why it is using incorrect index?

> SQL:
> SELECT count(*) FROM tc WHERE ((tc.a_id = $1)) AND ((tc.m_id = $2)) AND
> ((tc.ag_id is not null)) AND ((tc.id in ($3))) AND ((tc.pt in ($4, $5, $6)))

What data types are these columns?  For that matter, could we see the
whole schema for the table (psql \d+ output or equivalent)?

            regards, tom lane