Package org.apache.tajo.catalog.statistics

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

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    }
    tableStats.setNumBytes(numBytes);
    tableStats.setNumBlocks(rawFragmentList.size());

    for(Column eachColumn: schema.getColumns()) {
      ColumnStats columnStats = new ColumnStats(eachColumn);
      tableStats.addColumnStat(columnStats);
    }
  }
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      tableStats.setNumBlocks(1);
    }

    if (schema != null) {
      for(Column eachColumn: schema.getColumns()) {
        ColumnStats columnStats = new ColumnStats(eachColumn);
        tableStats.addColumnStat(columnStats);
      }
    }
  }
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      tableStats.setNumBlocks(1);
    }

    if (schema != null) {
      for(Column eachColumn: schema.getColumns()) {
        ColumnStats columnStats = new ColumnStats(eachColumn);
        tableStats.addColumnStat(columnStats);
      }
    }
  }
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    stats.setAvgRows(80000);

    int numCols = 2;
    ColumnStats[] cols = new ColumnStats[numCols];
    for (int i = 0; i < numCols; i++) {
      cols[i] = new ColumnStats(schema.getColumn(i));
      cols[i].setNumDistVals(1024 * i);
      cols[i].setNumNulls(100 * i);
      stats.addColumnStat(cols[i]);
    }
    desc.setStats(stats);
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  }

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

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

    stat.setNumRows(this.numRows);
    stat.setNumBytes(this.numBytes);
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Related Classes of org.apache.tajo.catalog.statistics.ColumnStats

  • org.apache.tajo.catalog.Column
  • org.apache.tajo.catalog.TestTableDesc
  • org.apache.tajo.storage.FileScanner
  • org.apache.tajo.storage.MergeScanner
  • org.apache.tajo.storage.TableStatistics
  • org.apache.tajo.storage.v2.FileScannerV2
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