Examples with Calc org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Calc used on opensource projects

Example 11 with Calc

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Calc in project storm by apache.

the class TridentCalcRule method convert.

@Override
public RelNode convert(RelNode rel) {
    final Calc calc = (Calc) rel;
    final RelNode input = calc.getInput();
    return new TridentCalcRel(calc.getCluster(), calc.getTraitSet().replace(TridentLogicalConvention.INSTANCE), convert(input, input.getTraitSet().replace(TridentLogicalConvention.INSTANCE)), calc.getProgram());
}

Example 12 with Calc

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Calc in project calcite by apache.

the class CalcMergeRule method onMatch.

// ~ Methods ----------------------------------------------------------------
public void onMatch(RelOptRuleCall call) {
    final Calc topCalc = call.rel(0);
    final Calc bottomCalc = call.rel(1);
    // Don't merge a calc which contains windowed aggregates onto a
    // calc. That would effectively be pushing a windowed aggregate down
    // through a filter.
    RexProgram topProgram = topCalc.getProgram();
    if (RexOver.containsOver(topProgram)) {
        return;
    }
    // Merge the programs together.
    RexProgram mergedProgram = RexProgramBuilder.mergePrograms(topCalc.getProgram(), bottomCalc.getProgram(), topCalc.getCluster().getRexBuilder());
    assert mergedProgram.getOutputRowType() == topProgram.getOutputRowType();
    final Calc newCalc = topCalc.copy(topCalc.getTraitSet(), bottomCalc.getInput(), mergedProgram);
    if (newCalc.getDigest().equals(bottomCalc.getDigest())) {
        // newCalc is equivalent to bottomCalc, which means that topCalc
        // must be trivial. Take it out of the game.
        call.getPlanner().setImportance(topCalc, 0.0);
    }
    call.transformTo(newCalc);
}

Example 13 with Calc

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Calc in project calcite by apache.

the class CalcSplitRule method onMatch.

@Override
public void onMatch(RelOptRuleCall call) {
    final Calc calc = call.rel(0);
    final Pair<ImmutableList<RexNode>, ImmutableList<RexNode>> projectFilter = calc.getProgram().split();
    final RelBuilder relBuilder = call.builder();
    relBuilder.push(calc.getInput());
    relBuilder.filter(projectFilter.right);
    relBuilder.project(projectFilter.left, calc.getRowType().getFieldNames());
    call.transformTo(relBuilder.build());
}

Example 14 with Calc

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Calc in project calcite by apache.

the class MutableRels method toMutable.

public static MutableRel toMutable(RelNode rel) {
    if (rel instanceof HepRelVertex) {
        return toMutable(((HepRelVertex) rel).getCurrentRel());
    }
    if (rel instanceof RelSubset) {
        return toMutable(Util.first(((RelSubset) rel).getBest(), ((RelSubset) rel).getOriginal()));
    }
    if (rel instanceof TableScan) {
        return MutableScan.of((TableScan) rel);
    }
    if (rel instanceof Values) {
        return MutableValues.of((Values) rel);
    }
    if (rel instanceof Project) {
        final Project project = (Project) rel;
        final MutableRel input = toMutable(project.getInput());
        return MutableProject.of(input, project.getProjects(), project.getRowType().getFieldNames());
    }
    if (rel instanceof Filter) {
        final Filter filter = (Filter) rel;
        final MutableRel input = toMutable(filter.getInput());
        return MutableFilter.of(input, filter.getCondition());
    }
    if (rel instanceof Aggregate) {
        final Aggregate aggregate = (Aggregate) rel;
        final MutableRel input = toMutable(aggregate.getInput());
        return MutableAggregate.of(input, aggregate.getGroupSet(), aggregate.getGroupSets(), aggregate.getAggCallList());
    }
    if (rel instanceof Sort) {
        final Sort sort = (Sort) rel;
        final MutableRel input = toMutable(sort.getInput());
        return MutableSort.of(input, sort.getCollation(), sort.offset, sort.fetch);
    }
    if (rel instanceof Calc) {
        final Calc calc = (Calc) rel;
        final MutableRel input = toMutable(calc.getInput());
        return MutableCalc.of(input, calc.getProgram());
    }
    if (rel instanceof Exchange) {
        final Exchange exchange = (Exchange) rel;
        final MutableRel input = toMutable(exchange.getInput());
        return MutableExchange.of(input, exchange.getDistribution());
    }
    if (rel instanceof Collect) {
        final Collect collect = (Collect) rel;
        final MutableRel input = toMutable(collect.getInput());
        return MutableCollect.of(collect.getRowType(), input, collect.getFieldName());
    }
    if (rel instanceof Uncollect) {
        final Uncollect uncollect = (Uncollect) rel;
        final MutableRel input = toMutable(uncollect.getInput());
        return MutableUncollect.of(uncollect.getRowType(), input, uncollect.withOrdinality);
    }
    if (rel instanceof Window) {
        final Window window = (Window) rel;
        final MutableRel input = toMutable(window.getInput());
        return MutableWindow.of(window.getRowType(), input, window.groups, window.getConstants());
    }
    if (rel instanceof TableModify) {
        final TableModify modify = (TableModify) rel;
        final MutableRel input = toMutable(modify.getInput());
        return MutableTableModify.of(modify.getRowType(), input, modify.getTable(), modify.getCatalogReader(), modify.getOperation(), modify.getUpdateColumnList(), modify.getSourceExpressionList(), modify.isFlattened());
    }
    if (rel instanceof Sample) {
        final Sample sample = (Sample) rel;
        final MutableRel input = toMutable(sample.getInput());
        return MutableSample.of(input, sample.getSamplingParameters());
    }
    if (rel instanceof TableFunctionScan) {
        final TableFunctionScan tableFunctionScan = (TableFunctionScan) rel;
        final List<MutableRel> inputs = toMutables(tableFunctionScan.getInputs());
        return MutableTableFunctionScan.of(tableFunctionScan.getCluster(), tableFunctionScan.getRowType(), inputs, tableFunctionScan.getCall(), tableFunctionScan.getElementType(), tableFunctionScan.getColumnMappings());
    }
    // is a sub-class of Join.
    if (rel instanceof SemiJoin) {
        final SemiJoin semiJoin = (SemiJoin) rel;
        final MutableRel left = toMutable(semiJoin.getLeft());
        final MutableRel right = toMutable(semiJoin.getRight());
        return MutableSemiJoin.of(semiJoin.getRowType(), left, right, semiJoin.getCondition(), semiJoin.getLeftKeys(), semiJoin.getRightKeys());
    }
    if (rel instanceof Join) {
        final Join join = (Join) rel;
        final MutableRel left = toMutable(join.getLeft());
        final MutableRel right = toMutable(join.getRight());
        return MutableJoin.of(join.getRowType(), left, right, join.getCondition(), join.getJoinType(), join.getVariablesSet());
    }
    if (rel instanceof Correlate) {
        final Correlate correlate = (Correlate) rel;
        final MutableRel left = toMutable(correlate.getLeft());
        final MutableRel right = toMutable(correlate.getRight());
        return MutableCorrelate.of(correlate.getRowType(), left, right, correlate.getCorrelationId(), correlate.getRequiredColumns(), correlate.getJoinType());
    }
    if (rel instanceof Union) {
        final Union union = (Union) rel;
        final List<MutableRel> inputs = toMutables(union.getInputs());
        return MutableUnion.of(union.getRowType(), inputs, union.all);
    }
    if (rel instanceof Minus) {
        final Minus minus = (Minus) rel;
        final List<MutableRel> inputs = toMutables(minus.getInputs());
        return MutableMinus.of(minus.getRowType(), inputs, minus.all);
    }
    if (rel instanceof Intersect) {
        final Intersect intersect = (Intersect) rel;
        final List<MutableRel> inputs = toMutables(intersect.getInputs());
        return MutableIntersect.of(intersect.getRowType(), inputs, intersect.all);
    }
    throw new RuntimeException("cannot translate " + rel + " to MutableRel");
}

Example 15 with Calc

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Calc in project flink by apache.

the class PythonMapMergeRule method onMatch.

@Override
public void onMatch(RelOptRuleCall call) {
    FlinkLogicalCalc topCalc = call.rel(0);
    FlinkLogicalCalc middleCalc = call.rel(1);
    FlinkLogicalCalc bottomCalc = call.rel(2);
    RexProgram topProgram = topCalc.getProgram();
    List<RexCall> topProjects = topProgram.getProjectList().stream().map(topProgram::expandLocalRef).map(x -> (RexCall) x).collect(Collectors.toList());
    RexCall topPythonCall = topProjects.get(0);
    // merge topCalc and middleCalc
    RexCall newPythonCall = topPythonCall.clone(topPythonCall.getType(), Collections.singletonList(RexInputRef.of(0, bottomCalc.getRowType())));
    List<RexCall> topMiddleMergedProjects = Collections.singletonList(newPythonCall);
    FlinkLogicalCalc topMiddleMergedCalc = new FlinkLogicalCalc(middleCalc.getCluster(), middleCalc.getTraitSet(), bottomCalc, RexProgram.create(bottomCalc.getRowType(), topMiddleMergedProjects, null, Collections.singletonList("f0"), call.builder().getRexBuilder()));
    // merge bottomCalc
    RexBuilder rexBuilder = call.builder().getRexBuilder();
    RexProgram mergedProgram = RexProgramBuilder.mergePrograms(topMiddleMergedCalc.getProgram(), bottomCalc.getProgram(), rexBuilder);
    Calc newCalc = topMiddleMergedCalc.copy(topMiddleMergedCalc.getTraitSet(), bottomCalc.getInput(), mergedProgram);
    call.transformTo(newCalc);
}