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| author | Robert Haas <rhaas@postgresql.org> | 2021-03-19 17:17:48 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2021-03-19 17:17:48 -0400 |
| commit | d00fbdc431192c3e429b3e91c43d364e5c7ba680 (patch) | |
| tree | f5d6efc7823e618cb6c93f20235cc94ed7409792 /src/backend/commands/tablecmds.c | |
| parent | bbe0a81db69bd10bd166907c3701492a29aca294 (diff) | |
| download | postgresql-d00fbdc431192c3e429b3e91c43d364e5c7ba680.tar.gz postgresql-d00fbdc431192c3e429b3e91c43d364e5c7ba680.zip | |
Fix use-after-ReleaseSysCache problem in ATExecAlterColumnType.
Introduced by commit bbe0a81db69bd10bd166907c3701492a29aca294.
Per buildfarm member prion.
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index ab89935ba73..9b2800bf5e2 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -11953,8 +11953,6 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, attTup->attalign = tform->typalign; attTup->attstorage = tform->typstorage; - ReleaseSysCache(typeTuple); - /* Setup attribute compression */ if (rel->rd_rel->relkind == RELKIND_RELATION || rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE) @@ -11972,6 +11970,8 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, else attTup->attcompression = InvalidCompressionMethod; + ReleaseSysCache(typeTuple); + CatalogTupleUpdate(attrelation, &heapTup->t_self, heapTup); table_close(attrelation, RowExclusiveLock); |