Examples with JetSqlRow com.hazelcast.sql.impl.row.JetSqlRow used on opensource projects

Example 36 with JetSqlRow

use of com.hazelcast.sql.impl.row.JetSqlRow in project hazelcast by hazelcast.

the class CreateDagVisitor method onProject.

public Vertex onProject(ProjectPhysicalRel rel) {
    List<Expression<?>> projection = rel.projection(parameterMetadata);
    Vertex vertex = dag.newUniqueVertex("Project", mapUsingServiceP(ServiceFactories.nonSharedService(ctx -> ExpressionUtil.projectionFn(projection, ExpressionEvalContext.from(ctx))), (Function<JetSqlRow, JetSqlRow> projectionFn, JetSqlRow row) -> projectionFn.apply(row)));
    connectInputPreserveCollation(rel, vertex);
    return vertex;
}

Example 37 with JetSqlRow

use of com.hazelcast.sql.impl.row.JetSqlRow in project hazelcast by hazelcast.

the class CreateDagVisitor method onAccumulate.

public Vertex onAccumulate(AggregateAccumulatePhysicalRel rel) {
    AggregateOperation<?, JetSqlRow> aggregateOperation = rel.aggrOp();
    Vertex vertex = dag.newUniqueVertex("Accumulate", Processors.accumulateP(aggregateOperation));
    connectInput(rel.getInput(), vertex, null);
    return vertex;
}

Example 38 with JetSqlRow

use of com.hazelcast.sql.impl.row.JetSqlRow in project hazelcast by hazelcast.

the class CreateDagVisitor method onCombineByKey.

public Vertex onCombineByKey(AggregateCombineByKeyPhysicalRel rel) {
    AggregateOperation<?, JetSqlRow> aggregateOperation = rel.aggrOp();
    Vertex vertex = dag.newUniqueVertex("CombineByKey", Processors.combineByKeyP(aggregateOperation, (key, value) -> value));
    connectInput(rel.getInput(), vertex, edge -> edge.distributed().partitioned(entryKey()));
    return vertex;
}

Example 39 with JetSqlRow

use of com.hazelcast.sql.impl.row.JetSqlRow in project hazelcast by hazelcast.

the class CreateDagVisitor method onAggregateByKey.

public Vertex onAggregateByKey(AggregateByKeyPhysicalRel rel) {
    FunctionEx<JetSqlRow, ?> groupKeyFn = rel.groupKeyFn();
    AggregateOperation<?, JetSqlRow> aggregateOperation = rel.aggrOp();
    Vertex vertex = dag.newUniqueVertex("AggregateByKey", Processors.aggregateByKeyP(singletonList(groupKeyFn), aggregateOperation, (key, value) -> value));
    connectInput(rel.getInput(), vertex, edge -> edge.distributed().partitioned(groupKeyFn));
    return vertex;
}

Example 40 with JetSqlRow

use of com.hazelcast.sql.impl.row.JetSqlRow in project hazelcast by hazelcast.

the class CreateDagVisitor method onSlidingWindow.

public Vertex onSlidingWindow(SlidingWindowPhysicalRel rel) {
    int orderingFieldIndex = rel.orderingFieldIndex();
    FunctionEx<ExpressionEvalContext, SlidingWindowPolicy> windowPolicySupplier = rel.windowPolicyProvider();
    // this vertex is used only if there's no aggregation by a window bound
    Vertex vertex = dag.newUniqueVertex("Sliding-Window", flatMapUsingServiceP(ServiceFactories.nonSharedService(ctx -> {
        ExpressionEvalContext evalContext = ExpressionEvalContext.from(ctx);
        SlidingWindowPolicy windowPolicy = windowPolicySupplier.apply(evalContext);
        return row -> WindowUtils.addWindowBounds(row, orderingFieldIndex, windowPolicy);
    }), (BiFunctionEx<Function<JetSqlRow, Traverser<JetSqlRow>>, JetSqlRow, Traverser<JetSqlRow>>) Function::apply));
    connectInput(rel.getInput(), vertex, null);
    return vertex;
}