Function CheckStringColumnW

cpp/src/arrow/flight/sql/odbc/tests/odbc_test_suite.cc:526–539

}

void CheckStringColumnW(SQLHSTMT stmt, int col_id, const std::wstring& expected) {
  SQLWCHAR buf[1024];
  SQLLEN buf_len = sizeof(buf) * GetSqlWCharSize();

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

  EXPECT_GT(buf_len, 0);

  // returned buf_len is in bytes so convert to length in characters
  size_t char_count = static_cast<size_t>(buf_len) / GetSqlWCharSize();
  std::wstring returned(buf, buf + char_count);

  EXPECT_EQ(expected, returned);
}

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