Fix compiler warning and add some more comments

This commit is contained in:
Peter Eisentraut 2017-04-06 11:17:43 -04:00
parent 07044efe00
commit dc0400cc50

View File

@ -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)
{