mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix memory leak due to LogicalRepRelMapEntry.attrmap.

Browse Source 
When rebuilding the relation mapping on subscribers, we were not releasing
the attribute mapping's memory which was no longer required.

The attribute mapping used in logical tuple conversion was refactored in
PG13 (by commit e1551f96e6) but we forgot to update the related code that
frees the attribute map.

Author: Hou Zhijie
Reviewed-by: Amit Langote, Amit Kapila, Shi yu
Backpatch-through: 10, where it was introduced
Discussion: https://postgr.es/m/OSZPR01MB6310F46CD425A967E4AEF736FDA49@OSZPR01MB6310.jpnprd01.prod.outlook.com
This commit is contained in:
Amit Kapila 2022-06-23 08:37:40 +05:30
parent d1ec8eaf7f
commit ed2a7a6bf6
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/backend/replication/logical/relation.c
View File

@ -259,6 +259,13 @@ logicalrep_rel_open(LogicalRepRelId remoteid, LOCKMODE lockmode)
MemoryContext oldctx;
int i;
/* Release the no-longer-useful attrmap, if any. */
if (entry->attrmap)
{
pfree(entry->attrmap);
entry->attrmap = NULL;
}
/* Try to find and lock the relation by name. */
relid = RangeVarGetRelid(makeRangeVar(remoterel->nspname,
remoterel->relname, -1),