Re: [GENERAL] Query analyse

2003-07-25 Thread Tom Lane
Stephan Szabo <[EMAIL PROTECTED]> writes: > You're probably ending up with different plans since in one case it has > a plain column reference and in the other it has a marginally complicated > expression in the join condition. Yeah. 7.3 and before cannot do merge or hash joins on conditions that

Re: [GENERAL] Query analyse

2003-07-25 Thread Dmitry Tkach
The first query is able to use the index on nr_proponente, because the condition involves that column directly, the second query is not, because the index only contains the values of nt_proponente, not results of trunc(..)/ Try replacing that condition with something like pa.nr_proponente B