name_oper oid_oper oid_type oper_name oper_oid type_oid

oid_oper() meosOper oid_oper ( Oid  oproid, meosType *  ltype, meosType *  rtype  ) Fetch from the hash table the operator info. [in] oproid Operator oid [out] ltype,rtype Type number of the left/right argument Fetch from the hash table the operator info. [in] type Enum value for the operator