Re: [PERFORM] Enabling constraint_exclusion does not avoid scanning all child partitions

2006-12-03 Thread Fayza Sultan
Your point solved my problem. Thank you -Fayza On 12/4/06, Tom Lane <[EMAIL PROTECTED]> wrote: "Fayza Sultan" <[EMAIL PROTECTED]> writes: > CREATE TABLE parent ( > monthdate date NOT NULL, > id int4 NOT NULL, > CONSTRAINT parent_idx PRIMARY

[PERFORM] Enabling constraint_exclusion does not avoid scanning all child partitions

2006-12-03 Thread Fayza Sultan
I am trying to optimize queries on one of the large table we have by partitioning it. To test it I created a sample script. When I use Explain Analyze on one of the queries the query planer shows sequence scan on all the child partitions instead of only one child containing the required data. I am