For details about the functions supported by GaussDB(DWS), see Functions and Operators.
The following PostgreSQL functions are not supported:
- Enum support functions
- Access privilege inquiry functions
- has_sequence_privilege(user, sequence, privilege)
- has_sequence_privilege(sequence, privilege)
- System catalog information functions
- pg_get_triggerdef(trigger_oid)
- pg_get_triggerdef(trigger_oid, pretty_bool)
- Line functions
- pg_node_tree