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

Example 66 with Filter

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.core.Filter 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 67 with Filter

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

the class FilterCorrelateRule method onMatch.

// ~ Methods ----------------------------------------------------------------
public void onMatch(RelOptRuleCall call) {
    final Filter filter = call.rel(0);
    final Correlate corr = call.rel(1);
    final List<RexNode> aboveFilters = RelOptUtil.conjunctions(filter.getCondition());
    final List<RexNode> leftFilters = new ArrayList<>();
    final List<RexNode> rightFilters = new ArrayList<>();
    // Try to push down above filters. These are typically where clause
    // filters. They can be pushed down if they are not on the NULL
    // generating side.
    RelOptUtil.classifyFilters(corr, aboveFilters, JoinRelType.INNER, false, !corr.getJoinType().toJoinType().generatesNullsOnLeft(), !corr.getJoinType().toJoinType().generatesNullsOnRight(), aboveFilters, leftFilters, rightFilters);
    if (leftFilters.isEmpty() && rightFilters.isEmpty()) {
        // no filters got pushed
        return;
    }
    // Create Filters on top of the children if any filters were
    // pushed to them.
    final RexBuilder rexBuilder = corr.getCluster().getRexBuilder();
    final RelBuilder relBuilder = call.builder();
    final RelNode leftRel = relBuilder.push(corr.getLeft()).filter(leftFilters).build();
    final RelNode rightRel = relBuilder.push(corr.getRight()).filter(rightFilters).build();
    // Create the new Correlate
    RelNode newCorrRel = corr.copy(corr.getTraitSet(), ImmutableList.of(leftRel, rightRel));
    call.getPlanner().onCopy(corr, newCorrRel);
    if (!leftFilters.isEmpty()) {
        call.getPlanner().onCopy(filter, leftRel);
    }
    if (!rightFilters.isEmpty()) {
        call.getPlanner().onCopy(filter, rightRel);
    }
    // Create a Filter on top of the join if needed
    relBuilder.push(newCorrRel);
    relBuilder.filter(RexUtil.fixUp(rexBuilder, aboveFilters, RelOptUtil.getFieldTypeList(relBuilder.peek().getRowType())));
    call.transformTo(relBuilder.build());
}

Example 68 with Filter

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

the class AggregateFilterTransposeRule method onMatch.

public void onMatch(RelOptRuleCall call) {
    final Aggregate aggregate = call.rel(0);
    final Filter filter = call.rel(1);
    // Do the columns used by the filter appear in the output of the aggregate?
    final ImmutableBitSet filterColumns = RelOptUtil.InputFinder.bits(filter.getCondition());
    final ImmutableBitSet newGroupSet = aggregate.getGroupSet().union(filterColumns);
    final RelNode input = filter.getInput();
    final RelMetadataQuery mq = call.getMetadataQuery();
    final Boolean unique = mq.areColumnsUnique(input, newGroupSet);
    if (unique != null && unique) {
        // the rule fires forever: A-F => A-F-A => A-A-F-A => A-A-A-F-A => ...
        return;
    }
    boolean allColumnsInAggregate = aggregate.getGroupSet().contains(filterColumns);
    final Aggregate newAggregate = aggregate.copy(aggregate.getTraitSet(), input, false, newGroupSet, null, aggregate.getAggCallList());
    final Mappings.TargetMapping mapping = Mappings.target(new Function<Integer, Integer>() {

        public Integer apply(Integer a0) {
            return newGroupSet.indexOf(a0);
        }
    }, input.getRowType().getFieldCount(), newGroupSet.cardinality());
    final RexNode newCondition = RexUtil.apply(mapping, filter.getCondition());
    final Filter newFilter = filter.copy(filter.getTraitSet(), newAggregate, newCondition);
    if (allColumnsInAggregate && aggregate.getGroupType() == Group.SIMPLE) {
        // Everything needed by the filter is returned by the aggregate.
        assert newGroupSet.equals(aggregate.getGroupSet());
        call.transformTo(newFilter);
    } else {
        // If aggregate uses grouping sets, we always need to split it.
        // Otherwise, it means that grouping sets are not used, but the
        // filter needs at least one extra column, and now aggregate it away.
        final ImmutableBitSet.Builder topGroupSet = ImmutableBitSet.builder();
        for (int c : aggregate.getGroupSet()) {
            topGroupSet.set(newGroupSet.indexOf(c));
        }
        ImmutableList<ImmutableBitSet> newGroupingSets = null;
        if (aggregate.getGroupType() != Group.SIMPLE) {
            ImmutableList.Builder<ImmutableBitSet> newGroupingSetsBuilder = ImmutableList.builder();
            for (ImmutableBitSet groupingSet : aggregate.getGroupSets()) {
                final ImmutableBitSet.Builder newGroupingSet = ImmutableBitSet.builder();
                for (int c : groupingSet) {
                    newGroupingSet.set(newGroupSet.indexOf(c));
                }
                newGroupingSetsBuilder.add(newGroupingSet.build());
            }
            newGroupingSets = newGroupingSetsBuilder.build();
        }
        final List<AggregateCall> topAggCallList = Lists.newArrayList();
        int i = newGroupSet.cardinality();
        for (AggregateCall aggregateCall : aggregate.getAggCallList()) {
            final SqlAggFunction rollup = SubstitutionVisitor.getRollup(aggregateCall.getAggregation());
            if (rollup == null) {
                // This aggregate cannot be rolled up.
                return;
            }
            if (aggregateCall.isDistinct()) {
                // Cannot roll up distinct.
                return;
            }
            topAggCallList.add(AggregateCall.create(rollup, aggregateCall.isDistinct(), aggregateCall.isApproximate(), ImmutableList.of(i++), -1, aggregateCall.type, aggregateCall.name));
        }
        final Aggregate topAggregate = aggregate.copy(aggregate.getTraitSet(), newFilter, aggregate.indicator, topGroupSet.build(), newGroupingSets, topAggCallList);
        call.transformTo(topAggregate);
    }
}

Example 69 with Filter

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

the class MaterializedViewFilterScanRule method onMatch.

// ~ Methods ----------------------------------------------------------------
public void onMatch(RelOptRuleCall call) {
    final Filter filter = call.rel(0);
    final TableScan scan = call.rel(1);
    apply(call, filter, scan);
}

Example 70 with Filter

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

the class ProjectFilterTransposeRule method onMatch.

// ~ Methods ----------------------------------------------------------------
// implement RelOptRule
public void onMatch(RelOptRuleCall call) {
    Project origProj;
    Filter filter;
    if (call.rels.length >= 2) {
        origProj = call.rel(0);
        filter = call.rel(1);
    } else {
        origProj = null;
        filter = call.rel(0);
    }
    RelNode rel = filter.getInput();
    RexNode origFilter = filter.getCondition();
    if ((origProj != null) && RexOver.containsOver(origProj.getProjects(), null)) {
        // windowed aggregate.
        return;
    }
    PushProjector pushProjector = new PushProjector(origProj, origFilter, rel, preserveExprCondition, call.builder());
    RelNode topProject = pushProjector.convertProject(null);
    if (topProject != null) {
        call.transformTo(topProject);
    }
}