Java Code Examples for org.apache.kylin.metadata.realization.SQLDigest#OrderEnum

The following examples show how to use org.apache.kylin.metadata.realization.SQLDigest#OrderEnum . 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: OLAPSortRel.java From kylin-on-parquet-v2 with Apache License 2.0

6 votes

@Override
public void implementOLAP(OLAPImplementor implementor) {
    implementor.fixSharedOlapTableScan(this);
    implementor.visitChild(getInput(), this);

    this.context = implementor.getContext();
    this.columnRowType = buildColumnRowType();

    for (RelFieldCollation fieldCollation : this.collation.getFieldCollations()) {
        int index = fieldCollation.getFieldIndex();
        SQLDigest.OrderEnum order = getOrderEnum(fieldCollation.getDirection());
        OLAPRel olapChild = (OLAPRel) this.getInput();
        TblColRef orderCol = olapChild.getColumnRowType().getAllColumns().get(index);
        this.context.addSort(orderCol, order);
        this.context.storageContext.markSort();

    }
}

Example 2

Source File: ITStorageTest.java From kylin-on-parquet-v2 with Apache License 2.0

6 votes

private int search(List<TblColRef> groups, List<FunctionDesc> aggregations, TupleFilter filter, StorageContext context) {
    int count = 0;
    ITupleIterator iterator = null;
    try {
        SQLDigest sqlDigest = new SQLDigest("default.test_kylin_fact", /*allCol*/ Collections.<TblColRef> emptySet(), /*join*/ null, //
                groups, /*subqueryJoinParticipants*/ Sets.<TblColRef> newHashSet(), //
                /*dynamicGroupByColumns*/ Collections.<TblColRef, TupleExpression> emptyMap(), //
                /*groupByExpression*/ false, //
                /*metricCol*/ Collections.<TblColRef> emptySet(), aggregations, /*aggrSqlCalls*/ Collections.<SQLCall> emptyList(), //
                /*dynamicAggregations*/ Collections.<DynamicFunctionDesc> emptyList(), //
                /*runtimeDimensionColumns*/ Collections.<TblColRef> emptySet(), //
                /*runtimeMetricColumns*/ Collections.<TblColRef> emptySet(), //
                /*filter col*/ Collections.<TblColRef> emptySet(), filter, null, //
                /*sortCol*/ new ArrayList<TblColRef>(), new ArrayList<SQLDigest.OrderEnum>(), false, false, false, new HashSet<MeasureDesc>());
        iterator = storageEngine.search(context, sqlDigest, mockup.newTupleInfo(groups, aggregations));
        while (iterator.hasNext()) {
            ITuple tuple = iterator.next();
            System.out.println("Tuple = " + tuple);
            count++;
        }
    } finally {
        if (iterator != null)
            iterator.close();
    }
    return count;
}

Example 3

Source File: OLAPSortRel.java From kylin with Apache License 2.0

6 votes

@Override
public void implementOLAP(OLAPImplementor implementor) {
    implementor.fixSharedOlapTableScan(this);
    implementor.visitChild(getInput(), this);

    this.context = implementor.getContext();
    this.columnRowType = buildColumnRowType();

    for (RelFieldCollation fieldCollation : this.collation.getFieldCollations()) {
        int index = fieldCollation.getFieldIndex();
        SQLDigest.OrderEnum order = getOrderEnum(fieldCollation.getDirection());
        OLAPRel olapChild = (OLAPRel) this.getInput();
        TblColRef orderCol = olapChild.getColumnRowType().getAllColumns().get(index);
        this.context.addSort(orderCol, order);
        this.context.storageContext.markSort();

    }
}

Example 4

Source File: ITStorageTest.java From kylin with Apache License 2.0

6 votes

private int search(List<TblColRef> groups, List<FunctionDesc> aggregations, TupleFilter filter, StorageContext context) {
    int count = 0;
    ITupleIterator iterator = null;
    try {
        SQLDigest sqlDigest = new SQLDigest("default.test_kylin_fact", /*allCol*/ Collections.<TblColRef> emptySet(), /*join*/ null, //
                groups, /*subqueryJoinParticipants*/ Sets.<TblColRef> newHashSet(), //
                /*dynamicGroupByColumns*/ Collections.<TblColRef, TupleExpression> emptyMap(), //
                /*groupByExpression*/ false, //
                /*metricCol*/ Collections.<TblColRef> emptySet(), aggregations, /*aggrSqlCalls*/ Collections.<SQLCall> emptyList(), //
                /*dynamicAggregations*/ Collections.<DynamicFunctionDesc> emptyList(), //
                /*runtimeDimensionColumns*/ Collections.<TblColRef> emptySet(), //
                /*runtimeMetricColumns*/ Collections.<TblColRef> emptySet(), //
                /*filter col*/ Collections.<TblColRef> emptySet(), filter, null, //
                /*sortCol*/ new ArrayList<TblColRef>(), new ArrayList<SQLDigest.OrderEnum>(), false, false, false, new HashSet<MeasureDesc>());
        iterator = storageEngine.search(context, sqlDigest, mockup.newTupleInfo(groups, aggregations));
        while (iterator.hasNext()) {
            ITuple tuple = iterator.next();
            System.out.println("Tuple = " + tuple);
            count++;
        }
    } finally {
        if (iterator != null)
            iterator.close();
    }
    return count;
}

Example 5

Source File: OLAPSortRel.java From kylin-on-parquet-v2 with Apache License 2.0

5 votes

SQLDigest.OrderEnum getOrderEnum(RelFieldCollation.Direction direction) {
    if (direction == RelFieldCollation.Direction.DESCENDING) {
        return SQLDigest.OrderEnum.DESCENDING;
    } else {
        return SQLDigest.OrderEnum.ASCENDING;
    }
}

Example 6

Source File: OLAPSortRel.java From kylin with Apache License 2.0

5 votes

SQLDigest.OrderEnum getOrderEnum(RelFieldCollation.Direction direction) {
    if (direction == RelFieldCollation.Direction.DESCENDING) {
        return SQLDigest.OrderEnum.DESCENDING;
    } else {
        return SQLDigest.OrderEnum.ASCENDING;
    }
}

Example 7

Source File: OLAPContext.java From kylin-on-parquet-v2 with Apache License 2.0

4 votes

public void addSort(TblColRef col, SQLDigest.OrderEnum order) {
    if (col != null) {
        sortColumns.add(col);
        sortOrders.add(order);
    }
}

Example 8

Source File: TopNMeasureType.java From kylin-on-parquet-v2 with Apache License 2.0

4 votes

private boolean checkSortAndOrder(List<TblColRef> sort, List<SQLDigest.OrderEnum> order) {
    return CollectionUtils.isNotEmpty(sort) && CollectionUtils.isNotEmpty(order) && sort.size() == order.size();
}

Example 9

Source File: OLAPContext.java From kylin with Apache License 2.0

4 votes

public void addSort(TblColRef col, SQLDigest.OrderEnum order) {
    if (col != null) {
        sortColumns.add(col);
        sortOrders.add(order);
    }
}

Example 10

Source File: TopNMeasureType.java From kylin with Apache License 2.0

4 votes

private boolean checkSortAndOrder(List<TblColRef> sort, List<SQLDigest.OrderEnum> order) {
    return CollectionUtils.isNotEmpty(sort) && CollectionUtils.isNotEmpty(order) && sort.size() == order.size();
}