Java Code Examples for org.apache.kylin.cube.cuboid.Cuboid#getCubeDesc()

The following examples show how to use org.apache.kylin.cube.cuboid.Cuboid#getCubeDesc() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GTCubeStorageQueryBase.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
private void enableStreamAggregateIfBeneficial(Cuboid cuboid, Set<TblColRef> groupsD, StorageContext context) {
    CubeDesc cubeDesc = cuboid.getCubeDesc();
    boolean enabled = cubeDesc.getConfig().isStreamAggregateEnabled();

    Set<TblColRef> shardByInGroups = Sets.newHashSet();
    for (TblColRef col : cubeDesc.getShardByColumns()) {
        if (groupsD.contains(col)) {
            shardByInGroups.add(col);
        }
    }
    if (!shardByInGroups.isEmpty()) {
        enabled = false;
        logger.debug("Aggregate partition results is not beneficial because shard by columns in groupD: {}",
                shardByInGroups);
    }

    if (!context.isNeedStorageAggregation()) {
        enabled = false;
        logger.debug("Aggregate partition results is not beneficial because no storage aggregation");
    }

    if (enabled) {
        context.enableStreamAggregate();
    }
}
Example 2
Source File: GTCubeStorageQueryBase.java    From kylin with Apache License 2.0 6 votes vote down vote up 
private void enableStreamAggregateIfBeneficial(Cuboid cuboid, Set<TblColRef> groupsD, StorageContext context) {
    CubeDesc cubeDesc = cuboid.getCubeDesc();
    boolean enabled = cubeDesc.getConfig().isStreamAggregateEnabled();

    Set<TblColRef> shardByInGroups = Sets.newHashSet();
    for (TblColRef col : cubeDesc.getShardByColumns()) {
        if (groupsD.contains(col)) {
            shardByInGroups.add(col);
        }
    }
    if (!shardByInGroups.isEmpty()) {
        enabled = false;
        logger.debug("Aggregate partition results is not beneficial because shard by columns in groupD: {}",
                shardByInGroups);
    }

    if (!context.isNeedStorageAggregation()) {
        enabled = false;
        logger.debug("Aggregate partition results is not beneficial because no storage aggregation");
    }

    if (enabled) {
        context.enableStreamAggregate();
    }
}