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Change LogicalTapeSetBlocks() to use nBlocksWritten.

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Previously, it was based on nBlocksAllocated to account for tapes with
open write buffers that may not have made it to the BufFile yet.

That was unnecessary, because callers do not need to get the number of
blocks while a tape has an open write buffer; and it also conflicted
with the preallocation logic added for HashAgg.

Reviewed-by: Peter Geoghegan
Discussion: https://postgr.es/m/ce5af05900fdbd0e9185747825a7423c48501964.camel@j-davis.com
Backpatch-through: 13
This commit is contained in:
Jeff Davis
2020-09-15 21:34:05 -07:00
parent 3bd35d4f51
commit c8aeaf3ab3
2 changed files with 12 additions and 2 deletions
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2
src/backend/executor/nodeAgg.c
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@ -2704,8 +2704,8 @@ agg_refill_hash_table(AggState *aggstate)
if (spill_initialized)
{
hash_agg_update_metrics(aggstate, true, spill.npartitions);
hashagg_spill_finish(aggstate, &spill, batch->setno);
hash_agg_update_metrics(aggstate, true, spill.npartitions);
}
else
hash_agg_update_metrics(aggstate, true, 0);