Function CheckNullColumnW

cpp/src/arrow/flight/sql/odbc/tests/odbc_test_suite.cc:541–548

}

void CheckNullColumnW(SQLHSTMT stmt, int col_id) {
  SQLWCHAR buf[1024];
  SQLLEN buf_len = sizeof(buf);

  ASSERT_EQ(SQL_SUCCESS, SQLGetData(stmt, col_id, SQL_C_WCHAR, buf, buf_len, &buf_len));

  EXPECT_EQ(SQL_NULL_DATA, buf_len);
}

void CheckIntColumn(SQLHSTMT stmt, int col_id, const SQLINTEGER& expected) {
  SQLINTEGER buf;