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| author | Jeff Davis <jdavis@postgresql.org> | 2020-07-12 17:48:49 -0700 |
|---|---|---|
| committer | Jeff Davis <jdavis@postgresql.org> | 2020-07-12 23:08:16 -0700 |
| commit | d8a7ce245095e3a70a2ad738c17be95593f68996 (patch) | |
| tree | 9db07c4893f13ff25740656ea8bd98f947d57ed6 /src/backend/executor/execPartition.c | |
| parent | 926ecf83c0bab7e985eaf5727bb69cdf8ce6b067 (diff) | |
| download | postgresql-d8a7ce245095e3a70a2ad738c17be95593f68996.tar.gz postgresql-d8a7ce245095e3a70a2ad738c17be95593f68996.zip | |
HashAgg: before spilling tuples, set unneeded columns to NULL.
This is a replacement for 4cad2534. Instead of projecting all tuples
going into a HashAgg, only remove unnecessary attributes when actually
spilling. This avoids the regression for the in-memory case.
Discussion: https://postgr.es/m/a2fb7dfeb4f50aa0a123e42151ee3013933cb802.camel%40j-davis.com
Backpatch-through: 13
Diffstat (limited to 'src/backend/executor/execPartition.c')
0 files changed, 0 insertions, 0 deletions