func (stmt *Statement) NumFields() (int, *ODBCError) {
var NOC C.SQLSMALLINT
ret := C.SQLNumResultCols(C.SQLHSTMT(stmt.handle), &NOC)
if !Success(ret) {
err := FormatError(C.SQL_HANDLE_STMT, stmt.handle)
return -1, err
}
return int(NOC), nil
}
func SQLNumResultCols(statementHandle SQLHSTMT, columnCountPtr *SQLSMALLINT) (ret SQLRETURN) {
r := C.SQLNumResultCols(C.SQLHSTMT(statementHandle), (*C.SQLSMALLINT)(columnCountPtr))
return SQLRETURN(r)
}