Package org.apache.tajo.catalog.statistics

Examples of org.apache.tajo.catalog.statistics.ColumnStat

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  }

  public TableStat getTableStat() {
    TableStat stat = new TableStat();

    ColumnStat columnStat;
    for (int i = 0; i < schema.getColumnNum(); i++) {
      columnStat = new ColumnStat(schema.getColumn(i));
      columnStat.setNumNulls(numNulls[i]);
      columnStat.setMinValue(minValues.get(i));
      columnStat.setMaxValue(maxValues.get(i));
      stat.addColumnStat(columnStat);
    }

    stat.setNumRows(this.numRows);
    stat.setNumBytes(this.numBytes);
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    stat.setAvgRows(80000);

    int numCols = 2;
    ColumnStat[] cols = new ColumnStat[numCols];
    for (int i = 0; i < numCols; i++) {
      cols[i] = new ColumnStat(schema.getColumn(i));
      cols[i].setNumDistVals(1024 * i);
      cols[i].setNumNulls(100 * i);
      stat.addColumnStat(cols[i]);
    }
    meta.setStat(stat);
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    stat.setAvgRows(80000);

    int numCols = 2;
    ColumnStat[] cols = new ColumnStat[numCols];
    for (int i = 0; i < numCols; i++) {
      cols[i] = new ColumnStat(schema2.getColumn(i));
      cols[i].setNumDistVals(1024 * i);
      cols[i].setNumNulls(100 * i);
      stat.addColumnStat(cols[i]);
    }
    meta2.setStat(stat);
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Related Classes of org.apache.tajo.catalog.statistics.ColumnStat

  • org.apache.tajo.catalog.Column
  • org.apache.tajo.catalog.TestTableMeta
  • org.apache.tajo.storage.TableStatistics
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