62c06186f5
< o Fix memory leak from exceptions < < http://archives.postgresql.org/pgsql-performance/2006-06/msg00305.php < < * Allow constraint_exclusion to work for UNIONs like it does for < inheritance, allow it to work for UPDATE and DELETE statements, and allow < it to be used for all statements with little performance impact < < * Add estimated_count(*) to return an estimate of COUNT(*) < < This would use the planner ANALYZE statistics to return an estimated < count. < http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php |
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