Schema ``relation_directory`` ============================= Tables ------ type ^^^^ +-------------+------------------------------------------+----------+-------------+ | Column | Type | Nullable | Description | +=============+==========================================+==========+=============+ | id | integer | ✔ | | +-------------+------------------------------------------+----------+-------------+ | name | name | ✘ | | +-------------+------------------------------------------+----------+-------------+ | cardinality | relation_directory.type_cardinality_enum | ✔ | | +-------------+------------------------------------------+----------+-------------+ Functions --------- table_schema() ^^^^^^^^^^^^^^ get_type(name) ^^^^^^^^^^^^^^ register_type(name) ^^^^^^^^^^^^^^^^^^^ name_to_type(name) ^^^^^^^^^^^^^^^^^^ remove(name) ^^^^^^^^^^^^