Fix use-after-ReleaseSysCache problem in ATExecAlterColumnType.
Introduced by commit
Per buildfarm member prion.
@@ -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);
