From: | tgl(at)postgresql(dot)org (Tom Lane) |
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To: | pgsql-committers(at)postgresql(dot)org |
Subject: | pgsql-server/src backend/commands/prepare.c ba ... |
Date: | 2002-12-15 21:01:35 |
Message-ID: | 20021215210135.0979E47630E@postgresql.org |
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Lists: | pgsql-committers |
CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)postgresql(dot)org 02/12/15 16:01:34
Modified files:
src/backend/commands: prepare.c trigger.c
src/backend/executor: execJunk.c execMain.c spi.c
src/backend/utils/cache: relcache.c
src/backend/utils/mmgr: aset.c mcxt.c
src/include/executor: executor.h
src/include/nodes: execnodes.h
src/include/utils: memutils.h
Log message:
Tweak default memory context allocation policy so that a context is not
given any malloc block until something is first allocated in it; but
thereafter, MemoryContextReset won't release that first malloc block.
This preserves the quick-reset property of the original policy, without
forcing 8K to be allocated to every context whether any of it is ever
used or not. Also, remove some more no-longer-needed explicit freeing
during ExecEndPlan.
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