src/main/java/com/aliyun/odps/jdbc/OdpsForwardResultSet.java [187:197]:
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  @Override
  protected Object[] rowAtCursor() throws SQLException {
    if (currentRow == null) {
      throw new SQLException("the row should be not-null, row=" + fetchedRows);
    }

    if (currentRow.length == 0) {
      throw new SQLException("the row should have more than 1 column , row=" + fetchedRows);
    }

    return currentRow;
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src/main/java/com/aliyun/odps/jdbc/OdpsSessionForwardResultSet.java [105:115]:
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  @Override
  protected Object[] rowAtCursor() throws SQLException {
    if (currentRow == null) {
      throw new SQLException("the row should be not-null, row=" + fetchedRows);
    }

    if (currentRow.length == 0) {
      throw new SQLException("the row should have more than 1 column , row=" + fetchedRows);
    }

    return currentRow;
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