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authorPeter Eisentraut <peter_e@gmx.net>2017-04-06 11:17:43 -0400
committerPeter Eisentraut <peter_e@gmx.net>2017-04-06 11:18:13 -0400
commitdc0400cc501ebe839c15a387911945d1585e4787 (patch)
treecb4c0988c667c92c253d611f14cff7c2603937d7 /src/backend/commands/tablecmds.c
parent07044efe00762bdd04c4d392adb8f6425b13369b (diff)
downloadpostgresql-dc0400cc501ebe839c15a387911945d1585e4787.tar.gz
postgresql-dc0400cc501ebe839c15a387911945d1585e4787.zip
Fix compiler warning and add some more comments
Diffstat (limited to 'src/backend/commands/tablecmds.c')
-rw-r--r--src/backend/commands/tablecmds.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 49a73707bca..60f8b7f26c5 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -5924,6 +5924,11 @@ ATExecAddIdentity(Relation rel, const char *colName,
return address;
}
+/*
+ * ALTER TABLE ALTER COLUMN SET { GENERATED or sequence options }
+ *
+ * Return the address of the affected column.
+ */
static ObjectAddress
ATExecSetIdentity(Relation rel, const char *colName, Node *def, LOCKMODE lockmode)
{
@@ -5992,6 +5997,8 @@ ATExecSetIdentity(Relation rel, const char *colName, Node *def, LOCKMODE lockmod
ObjectAddressSubSet(address, RelationRelationId,
RelationGetRelid(rel), attnum);
}
+ else
+ address = InvalidObjectAddress;
heap_freetuple(tuple);
heap_close(attrelation, RowExclusiveLock);
@@ -5999,6 +6006,11 @@ ATExecSetIdentity(Relation rel, const char *colName, Node *def, LOCKMODE lockmod
return address;
}
+/*
+ * ALTER TABLE ALTER COLUMN DROP IDENTITY
+ *
+ * Return the address of the affected column.
+ */
static ObjectAddress
ATExecDropIdentity(Relation rel, const char *colName, bool missing_ok, LOCKMODE lockmode)
{