Examples with RelOptCluster org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster used on opensource projects

Example 11 with RelOptCluster

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster in project calcite by apache.

the class LogicalTableModify method create.

/**
 * Creates a LogicalTableModify.
 */
public static LogicalTableModify create(RelOptTable table, Prepare.CatalogReader schema, RelNode input, Operation operation, List<String> updateColumnList, List<RexNode> sourceExpressionList, boolean flattened) {
    final RelOptCluster cluster = input.getCluster();
    final RelTraitSet traitSet = cluster.traitSetOf(Convention.NONE);
    return new LogicalTableModify(cluster, traitSet, table, schema, input, operation, updateColumnList, sourceExpressionList, flattened);
}

Example 12 with RelOptCluster

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster in project calcite by apache.

the class EnumerableCalc method create.

/**
 * Creates an EnumerableCalc.
 */
public static EnumerableCalc create(final RelNode input, final RexProgram program) {
    final RelOptCluster cluster = input.getCluster();
    final RelMetadataQuery mq = cluster.getMetadataQuery();
    final RelTraitSet traitSet = cluster.traitSet().replace(EnumerableConvention.INSTANCE).replaceIfs(RelCollationTraitDef.INSTANCE, new Supplier<List<RelCollation>>() {

        public List<RelCollation> get() {
            return RelMdCollation.calc(mq, input, program);
        }
    }).replaceIf(RelDistributionTraitDef.INSTANCE, new Supplier<RelDistribution>() {

        public RelDistribution get() {
            return RelMdDistribution.calc(mq, input, program);
        }
    });
    return new EnumerableCalc(cluster, traitSet, input, program);
}

Example 13 with RelOptCluster

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster in project calcite by apache.

the class EnumerableJoinRule method convert.

@Override
public RelNode convert(RelNode rel) {
    LogicalJoin join = (LogicalJoin) rel;
    List<RelNode> newInputs = new ArrayList<>();
    for (RelNode input : join.getInputs()) {
        if (!(input.getConvention() instanceof EnumerableConvention)) {
            input = convert(input, input.getTraitSet().replace(EnumerableConvention.INSTANCE));
        }
        newInputs.add(input);
    }
    final RelOptCluster cluster = join.getCluster();
    final RelTraitSet traitSet = join.getTraitSet().replace(EnumerableConvention.INSTANCE);
    final RelNode left = newInputs.get(0);
    final RelNode right = newInputs.get(1);
    final JoinInfo info = JoinInfo.of(left, right, join.getCondition());
    if (!info.isEqui() && join.getJoinType() != JoinRelType.INNER) {
        // if it is an inner join.
        try {
            return new EnumerableThetaJoin(cluster, traitSet, left, right, join.getCondition(), join.getVariablesSet(), join.getJoinType());
        } catch (InvalidRelException e) {
            EnumerableRules.LOGGER.debug(e.toString());
            return null;
        }
    }
    RelNode newRel;
    try {
        newRel = new EnumerableJoin(cluster, join.getTraitSet().replace(EnumerableConvention.INSTANCE), left, right, info.getEquiCondition(left, right, cluster.getRexBuilder()), info.leftKeys, info.rightKeys, join.getVariablesSet(), join.getJoinType());
    } catch (InvalidRelException e) {
        EnumerableRules.LOGGER.debug(e.toString());
        return null;
    }
    if (!info.isEqui()) {
        newRel = new EnumerableFilter(cluster, newRel.getTraitSet(), newRel, info.getRemaining(cluster.getRexBuilder()));
    }
    return newRel;
}

Example 14 with RelOptCluster

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster in project calcite by apache.

the class EnumerableProject method create.

/**
 * Creates an EnumerableProject, specifying row type rather than field
 * names.
 */
public static EnumerableProject create(final RelNode input, final List<? extends RexNode> projects, RelDataType rowType) {
    final RelOptCluster cluster = input.getCluster();
    final RelMetadataQuery mq = cluster.getMetadataQuery();
    final RelTraitSet traitSet = cluster.traitSet().replace(EnumerableConvention.INSTANCE).replaceIfs(RelCollationTraitDef.INSTANCE, new Supplier<List<RelCollation>>() {

        public List<RelCollation> get() {
            return RelMdCollation.project(mq, input, projects);
        }
    });
    return new EnumerableProject(cluster, traitSet, input, projects, rowType);
}

Example 15 with RelOptCluster

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster in project calcite by apache.

the class AggregateReduceFunctionsRule method reduceStddev.

private RexNode reduceStddev(Aggregate oldAggRel, AggregateCall oldCall, boolean biased, boolean sqrt, List<AggregateCall> newCalls, Map<AggregateCall, RexNode> aggCallMapping, List<RexNode> inputExprs) {
    // stddev_pop(x) ==>
    // power(
    // (sum(x * x) - sum(x) * sum(x) / count(x))
    // / count(x),
    // .5)
    // 
    // stddev_samp(x) ==>
    // power(
    // (sum(x * x) - sum(x) * sum(x) / count(x))
    // / nullif(count(x) - 1, 0),
    // .5)
    final int nGroups = oldAggRel.getGroupCount();
    final RelOptCluster cluster = oldAggRel.getCluster();
    final RexBuilder rexBuilder = cluster.getRexBuilder();
    final RelDataTypeFactory typeFactory = cluster.getTypeFactory();
    assert oldCall.getArgList().size() == 1 : oldCall.getArgList();
    final int argOrdinal = oldCall.getArgList().get(0);
    final RelDataType argOrdinalType = getFieldType(oldAggRel.getInput(), argOrdinal);
    final RelDataType oldCallType = typeFactory.createTypeWithNullability(oldCall.getType(), argOrdinalType.isNullable());
    final RexNode argRef = rexBuilder.ensureType(oldCallType, inputExprs.get(argOrdinal), true);
    final int argRefOrdinal = lookupOrAdd(inputExprs, argRef);
    final RexNode argSquared = rexBuilder.makeCall(SqlStdOperatorTable.MULTIPLY, argRef, argRef);
    final int argSquaredOrdinal = lookupOrAdd(inputExprs, argSquared);
    final AggregateCall sumArgSquaredAggCall = createAggregateCallWithBinding(typeFactory, SqlStdOperatorTable.SUM, argSquared.getType(), oldAggRel, oldCall, argSquaredOrdinal);
    final RexNode sumArgSquared = rexBuilder.addAggCall(sumArgSquaredAggCall, nGroups, oldAggRel.indicator, newCalls, aggCallMapping, ImmutableList.of(sumArgSquaredAggCall.getType()));
    final AggregateCall sumArgAggCall = AggregateCall.create(SqlStdOperatorTable.SUM, oldCall.isDistinct(), oldCall.isApproximate(), ImmutableIntList.of(argOrdinal), oldCall.filterArg, oldAggRel.getGroupCount(), oldAggRel.getInput(), null, null);
    final RexNode sumArg = rexBuilder.addAggCall(sumArgAggCall, nGroups, oldAggRel.indicator, newCalls, aggCallMapping, ImmutableList.of(sumArgAggCall.getType()));
    final RexNode sumArgCast = rexBuilder.ensureType(oldCallType, sumArg, true);
    final RexNode sumSquaredArg = rexBuilder.makeCall(SqlStdOperatorTable.MULTIPLY, sumArgCast, sumArgCast);
    final AggregateCall countArgAggCall = AggregateCall.create(SqlStdOperatorTable.COUNT, oldCall.isDistinct(), oldCall.isApproximate(), oldCall.getArgList(), oldCall.filterArg, oldAggRel.getGroupCount(), oldAggRel, null, null);
    final RexNode countArg = rexBuilder.addAggCall(countArgAggCall, nGroups, oldAggRel.indicator, newCalls, aggCallMapping, ImmutableList.of(argOrdinalType));
    final RexNode avgSumSquaredArg = rexBuilder.makeCall(SqlStdOperatorTable.DIVIDE, sumSquaredArg, countArg);
    final RexNode diff = rexBuilder.makeCall(SqlStdOperatorTable.MINUS, sumArgSquared, avgSumSquaredArg);
    final RexNode denominator;
    if (biased) {
        denominator = countArg;
    } else {
        final RexLiteral one = rexBuilder.makeExactLiteral(BigDecimal.ONE);
        final RexNode nul = rexBuilder.makeCast(countArg.getType(), rexBuilder.constantNull());
        final RexNode countMinusOne = rexBuilder.makeCall(SqlStdOperatorTable.MINUS, countArg, one);
        final RexNode countEqOne = rexBuilder.makeCall(SqlStdOperatorTable.EQUALS, countArg, one);
        denominator = rexBuilder.makeCall(SqlStdOperatorTable.CASE, countEqOne, nul, countMinusOne);
    }
    final RexNode div = rexBuilder.makeCall(SqlStdOperatorTable.DIVIDE, diff, denominator);
    RexNode result = div;
    if (sqrt) {
        final RexNode half = rexBuilder.makeExactLiteral(new BigDecimal("0.5"));
        result = rexBuilder.makeCall(SqlStdOperatorTable.POWER, div, half);
    }
    return rexBuilder.makeCast(oldCall.getType(), result);
}