Examples with MPartitionColumnStatistics org.apache.hadoop.hive.metastore.model.MPartitionColumnStatistics used on opensource projects

Example 11 with MPartitionColumnStatistics

use of org.apache.hadoop.hive.metastore.model.MPartitionColumnStatistics in project hive by apache.

the class ObjectStore method updatePartitionColumnStatistics.

@Override
public boolean updatePartitionColumnStatistics(ColumnStatistics colStats, List<String> partVals) throws NoSuchObjectException, MetaException, InvalidObjectException, InvalidInputException {
    boolean committed = false;
    try {
        openTransaction();
        List<ColumnStatisticsObj> statsObjs = colStats.getStatsObj();
        ColumnStatisticsDesc statsDesc = colStats.getStatsDesc();
        Table table = ensureGetTable(statsDesc.getDbName(), statsDesc.getTableName());
        Partition partition = convertToPart(getMPartition(statsDesc.getDbName(), statsDesc.getTableName(), partVals));
        List<String> colNames = new ArrayList<>();
        for (ColumnStatisticsObj statsObj : statsObjs) {
            colNames.add(statsObj.getColName());
        }
        Map<String, MPartitionColumnStatistics> oldStats = getPartitionColStats(table, statsDesc.getPartName(), colNames);
        MPartition mPartition = getMPartition(statsDesc.getDbName(), statsDesc.getTableName(), partVals);
        if (partition == null) {
            throw new NoSuchObjectException("Partition for which stats is gathered doesn't exist.");
        }
        for (ColumnStatisticsObj statsObj : statsObjs) {
            MPartitionColumnStatistics mStatsObj = StatObjectConverter.convertToMPartitionColumnStatistics(mPartition, statsDesc, statsObj);
            writeMPartitionColumnStatistics(table, partition, mStatsObj, oldStats.get(statsObj.getColName()));
        }
        Map<String, String> parameters = mPartition.getParameters();
        StatsSetupConst.setColumnStatsState(parameters, colNames);
        mPartition.setParameters(parameters);
        committed = commitTransaction();
        return committed;
    } finally {
        if (!committed) {
            rollbackTransaction();
        }
    }
}