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Fixes for Disk-based Hash Aggregation.

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Justin Pryzby raised a couple issues with commit 1f39bce0. Fixed.

Also, tweak the way the size of a hash entry is estimated and the
number of buckets is estimated when calling BuildTupleHashTableExt().

Discussion: https://www.postgresql.org/message-id/20200319064222.GR26184@telsasoft.com
This commit is contained in:
Jeff Davis
2020-03-23 13:56:28 -07:00
parent 0830d21f5b
commit 64fe602279
2 changed files with 8 additions and 13 deletions
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2
src/backend/commands/explain.c
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@ -2778,7 +2778,7 @@ static void
show_hashagg_info(AggState *aggstate, ExplainState *es)
{
Agg *agg = (Agg *)aggstate->ss.ps.plan;
long memPeakKb = (aggstate->hash_mem_peak + 1023) / 1024;
int64 memPeakKb = (aggstate->hash_mem_peak + 1023) / 1024;
Assert(IsA(aggstate, AggState));