_oid_cache_ready _oid_oper _oper_names _oper_oid _type_names _type_oids fill_oid_cache internal_type name_oper namestrcmp oid_oper oid_type oper_name oper_oid populate_operoid_cache populate_typeoid_cache SH_DECLARE SH_DEFINE SH_ELEMENT_TYPE SH_EQUAL SH_HASH_KEY SH_KEY SH_KEY_TYPE SH_PREFIX SH_SCOPE type_oid

_oid_cache_ready bool _oid_cache_ready = false Global variable that states whether the type and operator Oid caches have been initialized.