Attached patch fixes: 1. Unique constraint should not allow changing values for deferrable , deferred, included columns. 2. Primary keys should not allow changing values for deferrable , deferred, included columns. 3. Foreign keys should not allow changing match type. Referenced table name is empty. 4. Exclude - Column/Expression has incorrect values. 5. Save should not be enabled when Custom auto-vacuum is enabled but none of the parameters are edited.
