name_oper oid_oper oid_type oper_name oper_oid type_oid

oper_oid() Oid oper_oid ( meosOper  oper, meosType  lt, meosType  rt  ) Fetch from the cache the Oid of an operator. [in] oper Operator number [in] lt Type number for the left argument [in] rt Type number for the right argument [in] oper Enum value for the operator [in] lt Enum value for the left type [in] rt Enum value for the right type