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

Example 6 with JetSqlRow

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

the class Projector method project.

Object project(JetSqlRow values) {
    Row row = values.getRow();
    target.init();
    for (int i = 0; i < injectors.length; i++) {
        Object projected = evaluate(projection.get(i), row, evalContext);
        Object value = getToConverter(types[i]).convert(projected);
        injectors[i].set(value);
    }
    return target.conclude();
}

Example 7 with JetSqlRow

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

the class StreamSqlConnector method fullScanReader.

@Nonnull
@Override
public Vertex fullScanReader(@Nonnull DAG dag, @Nonnull Table table0, @Nullable Expression<Boolean> predicate, @Nonnull List<Expression<?>> projections, @Nullable FunctionEx<ExpressionEvalContext, EventTimePolicy<JetSqlRow>> eventTimePolicyProvider) {
    if (eventTimePolicyProvider != null) {
        throw QueryException.error("Ordering functions are not supported on top of " + TYPE_NAME + " mappings");
    }
    StreamTable table = (StreamTable) table0;
    StreamSourceTransform<JetSqlRow> source = (StreamSourceTransform<JetSqlRow>) table.items(predicate, projections);
    ProcessorMetaSupplier pms = source.metaSupplierFn.apply(EventTimePolicy.noEventTime());
    return dag.newUniqueVertex(table.toString(), pms);
}

Example 8 with JetSqlRow

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

the class SeriesSqlConnector method fullScanReader.

@Nonnull
@Override
public Vertex fullScanReader(@Nonnull DAG dag, @Nonnull Table table0, @Nullable Expression<Boolean> predicate, @Nonnull List<Expression<?>> projections, @Nullable FunctionEx<ExpressionEvalContext, EventTimePolicy<JetSqlRow>> eventTimePolicyProvider) {
    if (eventTimePolicyProvider != null) {
        throw QueryException.error("Ordering functions are not supported on top of " + TYPE_NAME + " mappings");
    }
    SeriesTable table = (SeriesTable) table0;
    BatchSource<JetSqlRow> source = table.items(predicate, projections);
    ProcessorMetaSupplier pms = ((BatchSourceTransform<JetSqlRow>) source).metaSupplier;
    return dag.newUniqueVertex(table.toString(), pms);
}

Example 9 with JetSqlRow

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

the class CreateDagVisitor method onSlidingWindowAggregate.

public Vertex onSlidingWindowAggregate(SlidingWindowAggregatePhysicalRel rel) {
    FunctionEx<JetSqlRow, ?> groupKeyFn = rel.groupKeyFn();
    AggregateOperation<?, JetSqlRow> aggregateOperation = rel.aggrOp();
    Expression<?> timestampExpression = rel.timestampExpression();
    ToLongFunctionEx<JetSqlRow> timestampFn = row -> WindowUtils.extractMillis(timestampExpression.eval(row.getRow(), MOCK_EEC));
    SlidingWindowPolicy windowPolicy = rel.windowPolicyProvider().apply(MOCK_EEC);
    KeyedWindowResultFunction<? super Object, ? super JetSqlRow, ?> resultMapping = rel.outputValueMapping();
    if (rel.numStages() == 1) {
        Vertex vertex = dag.newUniqueVertex("Sliding-Window-AggregateByKey", Processors.aggregateToSlidingWindowP(singletonList(groupKeyFn), singletonList(timestampFn), TimestampKind.EVENT, windowPolicy, 0, aggregateOperation, resultMapping));
        connectInput(rel.getInput(), vertex, edge -> edge.distributeTo(localMemberAddress).allToOne(""));
        return vertex;
    } else {
        assert rel.numStages() == 2;
        Vertex vertex1 = dag.newUniqueVertex("Sliding-Window-AccumulateByKey", Processors.accumulateByFrameP(singletonList(groupKeyFn), singletonList(timestampFn), TimestampKind.EVENT, windowPolicy, aggregateOperation));
        Vertex vertex2 = dag.newUniqueVertex("Sliding-Window-CombineByKey", Processors.combineToSlidingWindowP(windowPolicy, aggregateOperation, resultMapping));
        connectInput(rel.getInput(), vertex1, edge -> edge.partitioned(groupKeyFn));
        dag.edge(between(vertex1, vertex2).distributed().partitioned(entryKey()));
        return vertex2;
    }
}

Example 10 with JetSqlRow

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

the class CreateDagVisitor method onFilter.

public Vertex onFilter(FilterPhysicalRel rel) {
    Expression<Boolean> filter = rel.filter(parameterMetadata);
    Vertex vertex = dag.newUniqueVertex("Filter", filterUsingServiceP(ServiceFactories.nonSharedService(ctx -> ExpressionUtil.filterFn(filter, ExpressionEvalContext.from(ctx))), (Predicate<JetSqlRow> filterFn, JetSqlRow row) -> filterFn.test(row)));
    connectInputPreserveCollation(rel, vertex);
    return vertex;
}