Gary Stainburn <[EMAIL PROTECTED]> writes: > Anyone got any ideas of the cause, or thoughts on how I can trace the > problem?
EXPLAIN ANALYZE results for the fast and slow cases would be
interesting. Also, have you ANALYZEd the underlying tables lately?
And what PG version is this?
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
