Dean Rasheed <dean.a.rash...@gmail.com> writes: > On 11 October 2010 18:37, Tom Lane <t...@sss.pgh.pa.us> wrote: >> Sure it would: an estimate of 30K would keep the planner from using >> hash aggregation.
> Not if work_mem was 10MB.
And? If the memory requirement actually fits, you're in good shape.
regards, tom lane
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