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

Example 61 with RelOptCluster

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

the class FlinkRelDecorrelator method decorrelateQuery.

//~ Methods ----------------------------------------------------------------
/**
	 * Decorrelates a query.
	 * <p>
	 * <p>This is the main entry point to {@code FlinkRelDecorrelator}.
	 *
	 * @param rootRel Root node of the query
	 * @return Equivalent query with all
	 * {@link LogicalCorrelate} instances removed
	 */
public static RelNode decorrelateQuery(RelNode rootRel) {
    final CorelMap corelMap = new CorelMapBuilder().build(rootRel);
    if (!corelMap.hasCorrelation()) {
        return rootRel;
    }
    final RelOptCluster cluster = rootRel.getCluster();
    final FlinkRelDecorrelator decorrelator = new FlinkRelDecorrelator(cluster, corelMap, cluster.getPlanner().getContext());
    RelNode newRootRel = decorrelator.removeCorrelationViaRule(rootRel);
    if (SQL2REL_LOGGER.isDebugEnabled()) {
        SQL2REL_LOGGER.debug(RelOptUtil.dumpPlan("Plan after removing Correlator", newRootRel, false, SqlExplainLevel.EXPPLAN_ATTRIBUTES));
    }
    if (!decorrelator.cm.mapCorVarToCorRel.isEmpty()) {
        newRootRel = decorrelator.decorrelate(newRootRel);
    }
    return newRootRel;
}

Example 62 with RelOptCluster

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

the class TridentModifyRule method convert.

@Override
public RelNode convert(RelNode rel) {
    final TableModify tableModify = (TableModify) rel;
    final RelNode input = tableModify.getInput();
    final RelOptCluster cluster = tableModify.getCluster();
    final RelTraitSet traitSet = tableModify.getTraitSet().replace(TridentLogicalConvention.INSTANCE);
    final RelOptTable relOptTable = tableModify.getTable();
    final Prepare.CatalogReader catalogReader = tableModify.getCatalogReader();
    final RelNode convertedInput = convert(input, input.getTraitSet().replace(TridentLogicalConvention.INSTANCE));
    final TableModify.Operation operation = tableModify.getOperation();
    final List<String> updateColumnList = tableModify.getUpdateColumnList();
    final List<RexNode> sourceExpressionList = tableModify.getSourceExpressionList();
    final boolean flattened = tableModify.isFlattened();
    final Table table = tableModify.getTable().unwrap(Table.class);
    switch(table.getJdbcTableType()) {
        case STREAM:
            if (operation != TableModify.Operation.INSERT) {
                throw new UnsupportedOperationException(String.format("Streams doesn't support %s modify operation", operation));
            }
            return new TridentStreamInsertRel(cluster, traitSet, relOptTable, catalogReader, convertedInput, operation, updateColumnList, sourceExpressionList, flattened);
        default:
            throw new IllegalArgumentException(String.format("Unsupported table type: %s", table.getJdbcTableType()));
    }
}

Example 63 with RelOptCluster

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

the class HiveSemiJoinRule method perform.

protected void perform(RelOptRuleCall call, ImmutableBitSet topRefs, RelNode topOperator, Join join, RelNode left, Aggregate aggregate) {
    LOG.debug("Matched HiveSemiJoinRule");
    final RelOptCluster cluster = join.getCluster();
    final RexBuilder rexBuilder = cluster.getRexBuilder();
    final ImmutableBitSet rightBits = ImmutableBitSet.range(left.getRowType().getFieldCount(), join.getRowType().getFieldCount());
    if (topRefs.intersects(rightBits)) {
        return;
    }
    final JoinInfo joinInfo = join.analyzeCondition();
    if (!joinInfo.rightSet().equals(ImmutableBitSet.range(aggregate.getGroupCount()))) {
        // By the way, neither a super-set nor a sub-set would work.
        return;
    }
    if (join.getJoinType() == JoinRelType.LEFT) {
        // since for LEFT join we are only interested in rows from LEFT we can get rid of right side
        call.transformTo(topOperator.copy(topOperator.getTraitSet(), ImmutableList.of(left)));
        return;
    }
    if (join.getJoinType() != JoinRelType.INNER) {
        return;
    }
    if (!joinInfo.isEqui()) {
        return;
    }
    LOG.debug("All conditions matched for HiveSemiJoinRule. Going to apply transformation.");
    final List<Integer> newRightKeyBuilder = Lists.newArrayList();
    final List<Integer> aggregateKeys = aggregate.getGroupSet().asList();
    for (int key : joinInfo.rightKeys) {
        newRightKeyBuilder.add(aggregateKeys.get(key));
    }
    final ImmutableIntList newRightKeys = ImmutableIntList.copyOf(newRightKeyBuilder);
    final RelNode newRight = aggregate.getInput();
    final RexNode newCondition = RelOptUtil.createEquiJoinCondition(left, joinInfo.leftKeys, newRight, newRightKeys, rexBuilder);
    RelNode semi = null;
    // is not expected further down the pipeline. see jira for more details
    if (aggregate.getInput() instanceof HepRelVertex && ((HepRelVertex) aggregate.getInput()).getCurrentRel() instanceof Join) {
        Join rightJoin = (Join) (((HepRelVertex) aggregate.getInput()).getCurrentRel());
        List<RexNode> projects = new ArrayList<>();
        for (int i = 0; i < rightJoin.getRowType().getFieldCount(); i++) {
            projects.add(rexBuilder.makeInputRef(rightJoin, i));
        }
        RelNode topProject = call.builder().push(rightJoin).project(projects, rightJoin.getRowType().getFieldNames(), true).build();
        semi = call.builder().push(left).push(topProject).semiJoin(newCondition).build();
    } else {
        semi = call.builder().push(left).push(aggregate.getInput()).semiJoin(newCondition).build();
    }
    call.transformTo(topOperator.copy(topOperator.getTraitSet(), ImmutableList.of(semi)));
}

Example 64 with RelOptCluster

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

the class HiveExceptRewriteRule method onMatch.

// ~ Methods ----------------------------------------------------------------
public void onMatch(RelOptRuleCall call) {
    final HiveExcept hiveExcept = call.rel(0);
    final RelOptCluster cluster = hiveExcept.getCluster();
    final RexBuilder rexBuilder = cluster.getRexBuilder();
    Builder<RelNode> bldr = new ImmutableList.Builder<RelNode>();
    // branch
    try {
        bldr.add(createFirstGB(hiveExcept.getInputs().get(0), true, cluster, rexBuilder));
        bldr.add(createFirstGB(hiveExcept.getInputs().get(1), false, cluster, rexBuilder));
    } catch (CalciteSemanticException e) {
        LOG.debug(e.toString());
        throw new RuntimeException(e);
    }
    // create a union above all the branches
    // the schema of union looks like this
    // all keys + VCol + c
    HiveRelNode union = new HiveUnion(cluster, TraitsUtil.getDefaultTraitSet(cluster), bldr.build());
    // 2nd level GB: create a GB (all keys + sum(c) as a + sum(VCol*c) as b) for
    // each branch
    final List<RexNode> gbChildProjLst = Lists.newArrayList();
    final List<Integer> groupSetPositions = Lists.newArrayList();
    int unionColumnSize = union.getRowType().getFieldList().size();
    for (int cInd = 0; cInd < unionColumnSize; cInd++) {
        gbChildProjLst.add(rexBuilder.makeInputRef(union, cInd));
        // the last 2 columns are VCol and c
        if (cInd < unionColumnSize - 2) {
            groupSetPositions.add(cInd);
        }
    }
    try {
        gbChildProjLst.add(multiply(rexBuilder.makeInputRef(union, unionColumnSize - 2), rexBuilder.makeInputRef(union, unionColumnSize - 1), cluster, rexBuilder));
    } catch (CalciteSemanticException e) {
        LOG.debug(e.toString());
        throw new RuntimeException(e);
    }
    RelNode gbInputRel = null;
    try {
        // Here we create a project for the following reasons:
        // (1) GBy only accepts arg as a position of the input, however, we need to sum on VCol*c
        // (2) This can better reuse the function createSingleArgAggCall.
        gbInputRel = HiveProject.create(union, gbChildProjLst, null);
    } catch (CalciteSemanticException e) {
        LOG.debug(e.toString());
        throw new RuntimeException(e);
    }
    // gbInputRel's schema is like this
    // all keys + VCol + c + VCol*c
    List<AggregateCall> aggregateCalls = Lists.newArrayList();
    RelDataType aggFnRetType = TypeConverter.convert(TypeInfoFactory.longTypeInfo, cluster.getTypeFactory());
    // sum(c)
    AggregateCall aggregateCall = HiveCalciteUtil.createSingleArgAggCall("sum", cluster, TypeInfoFactory.longTypeInfo, unionColumnSize - 1, aggFnRetType);
    aggregateCalls.add(aggregateCall);
    // sum(VCol*c)
    aggregateCall = HiveCalciteUtil.createSingleArgAggCall("sum", cluster, TypeInfoFactory.longTypeInfo, unionColumnSize, aggFnRetType);
    aggregateCalls.add(aggregateCall);
    final ImmutableBitSet groupSet = ImmutableBitSet.of(groupSetPositions);
    HiveRelNode aggregateRel = new HiveAggregate(cluster, cluster.traitSetOf(HiveRelNode.CONVENTION), gbInputRel, groupSet, null, aggregateCalls);
    if (!hiveExcept.all) {
        RelNode filterRel = null;
        try {
            filterRel = new HiveFilter(cluster, cluster.traitSetOf(HiveRelNode.CONVENTION), aggregateRel, makeFilterExprForExceptDistinct(aggregateRel, unionColumnSize, cluster, rexBuilder));
        } catch (CalciteSemanticException e) {
            LOG.debug(e.toString());
            throw new RuntimeException(e);
        }
        // finally add a project to project out the last 2 columns
        Set<Integer> projectOutColumnPositions = new HashSet<>();
        projectOutColumnPositions.add(filterRel.getRowType().getFieldList().size() - 2);
        projectOutColumnPositions.add(filterRel.getRowType().getFieldList().size() - 1);
        try {
            call.transformTo(HiveCalciteUtil.createProjectWithoutColumn(filterRel, projectOutColumnPositions));
        } catch (CalciteSemanticException e) {
            LOG.debug(e.toString());
            throw new RuntimeException(e);
        }
    } else {
        List<RexNode> originalInputRefs = Lists.transform(aggregateRel.getRowType().getFieldList(), new Function<RelDataTypeField, RexNode>() {

            @Override
            public RexNode apply(RelDataTypeField input) {
                return new RexInputRef(input.getIndex(), input.getType());
            }
        });
        List<RexNode> copyInputRefs = new ArrayList<>();
        try {
            copyInputRefs.add(makeExprForExceptAll(aggregateRel, unionColumnSize, cluster, rexBuilder));
        } catch (CalciteSemanticException e) {
            LOG.debug(e.toString());
            throw new RuntimeException(e);
        }
        for (int i = 0; i < originalInputRefs.size() - 2; i++) {
            copyInputRefs.add(originalInputRefs.get(i));
        }
        RelNode srcRel = null;
        try {
            srcRel = HiveProject.create(aggregateRel, copyInputRefs, null);
            HiveTableFunctionScan udtf = HiveCalciteUtil.createUDTFForSetOp(cluster, srcRel);
            // finally add a project to project out the 1st columns
            Set<Integer> projectOutColumnPositions = new HashSet<>();
            projectOutColumnPositions.add(0);
            call.transformTo(HiveCalciteUtil.createProjectWithoutColumn(udtf, projectOutColumnPositions));
        } catch (SemanticException e) {
            LOG.debug(e.toString());
            throw new RuntimeException(e);
        }
    }
}

Example 65 with RelOptCluster

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

the class TestHivePointLookupOptimizerRule method before.

@Before
public void before() {
    HepProgramBuilder programBuilder = new HepProgramBuilder();
    programBuilder.addRuleInstance(new HivePointLookupOptimizerRule.FilterCondition(2));
    planner = new HepPlanner(programBuilder.build());
    JavaTypeFactoryImpl typeFactory = new JavaTypeFactoryImpl();
    RexBuilder rexBuilder = new RexBuilder(typeFactory);
    final RelOptCluster optCluster = RelOptCluster.create(planner, rexBuilder);
    RelDataType rowTypeMock = typeFactory.createStructType(MyRecord.class);
    doReturn(rowTypeMock).when(tableMock).getRowType();
    LogicalTableScan tableScan = LogicalTableScan.create(optCluster, tableMock, Collections.emptyList());
    doReturn(tableScan).when(tableMock).toRel(ArgumentMatchers.any());
    doReturn(tableMock).when(schemaMock).getTableForMember(any());
    lenient().doReturn(hiveTableMDMock).when(tableMock).getHiveTableMD();
    builder = HiveRelFactories.HIVE_BUILDER.create(optCluster, schemaMock);
}