Examples of com.google.visualization.datasource.query.QueryLabels

Package com.google.visualization.datasource.query

Examples of com.google.visualization.datasource.query.QueryLabels

com.google.visualization.datasource.query.QueryLabels
Describes the labels of a Query, as passed in the query under the "label" clause.
A label can optionally be specified for each column. If not specified, each column type has a default label. @author Itai R.

      dataSourceQuery.setOptions(null);
      completionQuery.setOptions(query.getOptions());
      try {
        if (query.hasLabels()) {
          dataSourceQuery.setLabels(null);
          QueryLabels labels = query.getLabels();
          QueryLabels newLabels = new QueryLabels();
          for (AbstractColumn column : labels.getColumns()) {
            newLabels.addLabel(new SimpleColumn(column.getId()), labels.getLabel(column));
          }
          completionQuery.setLabels(newLabels);
        }
        if (query.hasUserFormatOptions()) {
          dataSourceQuery.setUserFormatOptions(null);

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    query.setRowOffset(offset);
  }


// The label clause (e.g., LABEL c1 "Department", c3 "Salary")
  final public void labelClause(Query query) throws ParseException, InvalidQueryException {
  QueryLabels labels = new QueryLabels();
  AbstractColumn column;
  String label;
    jj_consume_token(KW_LABEL);
    column = abstractColumnDescriptor();
    label = stringLiteral();
    labels.addLabel(column, label);
    label_5:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OP_COMMA:
        ;
        break;
      default:
        jj_la1[15] = jj_gen;
        break label_5;
      }
      jj_consume_token(OP_COMMA);
      column = abstractColumnDescriptor();
      label = stringLiteral();
      labels.addLabel(column, label);
    }
    query.setLabels(labels);
  }

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    if (!query.hasLabels()) {
      return table;
    }


    QueryLabels labels = query.getLabels();


    List<ColumnDescription> columnDescriptions = table.getColumnDescriptions();


    for (AbstractColumn column : labels.getColumns()) {
      String label = labels.getLabel(column);
      List<Integer> indices = columnIndices.getColumnIndices(column);
      if (indices.size() == 1) {
        columnDescriptions.get(indices.get(0)).setLabel(label);
      } else {
        String columnId = column.getId(); // Without pivot values.

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