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Rename "hash_mem" local variable.

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The term "hash_mem" will take on new significance when pending work to
add a new hash_mem_multiplier GUC is committed.  Rename a local variable
that happens to have been called hash_mem now to avoid confusion.
This commit is contained in:
Peter Geoghegan 2020-07-17 18:24:23 -07:00
parent 1e0dfd166b
commit 564ce62164
1 changed files with 4 additions and 4 deletions
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8
src/backend/executor/nodeAgg.c
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@ -1896,7 +1896,7 @@ static void
hash_agg_update_metrics(AggState *aggstate, bool from_tape, int npartitions)
{
Size meta_mem;
Size hash_mem;
Size hashkey_mem;
Size buffer_mem;
Size total_mem;
@ -1908,7 +1908,7 @@ hash_agg_update_metrics(AggState *aggstate, bool from_tape, int npartitions)
meta_mem = MemoryContextMemAllocated(aggstate->hash_metacxt, true);
/* memory for the group keys and transition states */
hash_mem = MemoryContextMemAllocated(aggstate->hashcontext->ecxt_per_tuple_memory, true);
hashkey_mem = MemoryContextMemAllocated(aggstate->hashcontext->ecxt_per_tuple_memory, true);
/* memory for read/write tape buffers, if spilled */
buffer_mem = npartitions * HASHAGG_WRITE_BUFFER_SIZE;
@ -1916,7 +1916,7 @@ hash_agg_update_metrics(AggState *aggstate, bool from_tape, int npartitions)
buffer_mem += HASHAGG_READ_BUFFER_SIZE;
/* update peak mem */
total_mem = meta_mem + hash_mem + buffer_mem;
total_mem = meta_mem + hashkey_mem + buffer_mem;
if (total_mem > aggstate->hash_mem_peak)
aggstate->hash_mem_peak = total_mem;
@ -1934,7 +1934,7 @@ hash_agg_update_metrics(AggState *aggstate, bool from_tape, int npartitions)
{
aggstate->hashentrysize =
sizeof(TupleHashEntryData) +
(hash_mem / (double) aggstate->hash_ngroups_current);
(hashkey_mem / (double) aggstate->hash_ngroups_current);
}
}