HashAgg: release write buffers sooner by rewinding tape.
authorJeff Davis <jdavis@postgresql.org>
Wed, 16 Sep 2020 04:16:31 +0000 (21:16 -0700)
committerJeff Davis <jdavis@postgresql.org>
Wed, 16 Sep 2020 04:18:22 +0000 (21:18 -0700)
commit3bd35d4f516adfc492360b20e72911949c961e47
tree89736eb4c69d2a83d8da538d1d09bcede9b9c24c
parent69bd60672af63eaa8b19cdcea175df5ff172e80e
HashAgg: release write buffers sooner by rewinding tape.

This was an oversight. The purpose of 7fdd919ae7 was to avoid keeping
tape buffers around unnecessisarily, but HashAgg didn't rewind early
enough.

Reviewed-by: Peter Geoghegan
Discussion: https://postgr.es/m/1fb1151c2cddf8747d14e0532da283c3f97e2685.camel@j-davis.com
Backpatch-through: 13
src/backend/executor/nodeAgg.c