Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes: > it looks like that postgresql is actually allocating the memory for the > hashtable of the HashAggregate which is a bit unexpected for a plain > EXPLAIN.
Not really. EXPLAIN runs plan setup (ExecutorStart).
regards, tom lane
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
