Examples with RexBuilder org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexBuilder used on opensource projects

Example 91 with RexBuilder

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexBuilder in project drill by apache.

the class DbScanToIndexScanPrule method doOnMatch.

protected void doOnMatch(IndexLogicalPlanCallContext indexContext) {
    Stopwatch indexPlanTimer = Stopwatch.createStarted();
    final PlannerSettings settings = PrelUtil.getPlannerSettings(indexContext.call.getPlanner());
    final IndexCollection indexCollection = getIndexCollection(settings, indexContext.scan);
    if (indexCollection == null) {
        return;
    }
    logger.debug("Index Rule {} starts", this.description);
    RexBuilder builder = indexContext.filter.getCluster().getRexBuilder();
    RexNode condition = null;
    if (indexContext.lowerProject == null) {
        condition = indexContext.filter.getCondition();
    } else {
        // get the filter as if it were below the projection.
        condition = RelOptUtil.pushFilterPastProject(indexContext.filter.getCondition(), indexContext.lowerProject);
    }
    // save this pushed down condition, in case it is needed later to build filter when joining back primary table
    indexContext.origPushedCondition = condition;
    RewriteAsBinaryOperators visitor = new RewriteAsBinaryOperators(true, builder);
    condition = condition.accept(visitor);
    if (indexCollection.supportsIndexSelection()) {
        try {
            processWithIndexSelection(indexContext, settings, condition, indexCollection, builder);
        } catch (Exception e) {
            logger.warn("Exception while doing index planning ", e);
        }
    } else {
        throw new UnsupportedOperationException("Index collection must support index selection");
    }
    indexPlanTimer.stop();
    logger.info("index_plan_info: Index Planning took {} ms", indexPlanTimer.elapsed(TimeUnit.MILLISECONDS));
}

Example 92 with RexBuilder

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexBuilder in project drill by apache.

the class ProjectPrel method prepareForLateralUnnestPipeline.

@Override
public Prel prepareForLateralUnnestPipeline(List<RelNode> children) {
    RelDataTypeFactory typeFactory = this.getCluster().getTypeFactory();
    RexBuilder builder = this.getCluster().getRexBuilder();
    List<RexNode> projects = Lists.newArrayList();
    projects.add(builder.makeInputRef(typeFactory.createSqlType(SqlTypeName.INTEGER), 0));
    // right shift the previous field indices.
    projects.addAll(DrillRelOptUtil.transformExprs(builder, this.getProjects(), DrillRelOptUtil.rightShiftColsInRowType(this.getInput().getRowType())));
    List<String> fieldNames = new ArrayList<>();
    List<RelDataType> fieldTypes = new ArrayList<>();
    fieldNames.add("$drill_implicit_field$");
    fieldTypes.add(typeFactory.createSqlType(SqlTypeName.INTEGER));
    for (RelDataTypeField field : this.rowType.getFieldList()) {
        fieldNames.add(field.getName());
        fieldTypes.add(field.getType());
    }
    RelDataType newRowType = typeFactory.createStructType(fieldTypes, fieldNames);
    return (Prel) this.copy(this.getTraitSet(), children.get(0), projects, newRowType);
}

Example 93 with RexBuilder

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexBuilder in project samza by apache.

the class TranslatorContext method createExpressionCompiler.

private RexToJavaCompiler createExpressionCompiler(RelRoot relRoot) {
    RelDataTypeFactory dataTypeFactory = relRoot.project().getCluster().getTypeFactory();
    RexBuilder rexBuilder = new SamzaSqlRexBuilder(dataTypeFactory);
    return new RexToJavaCompiler(rexBuilder);
}

Example 94 with RexBuilder

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexBuilder in project storm by apache.

the class QueryPlanner method compile.

public AbstractStreamsProcessor compile(Map<String, ISqlStreamsDataSource> sources, String query) throws Exception {
    StreamsRel relNode = getPlan(query);
    StreamsPlanCreator streamsPlanCreator = new StreamsPlanCreator(sources, new RexBuilder(typeFactory));
    relNode.streamsPlan(streamsPlanCreator);
    final StreamBuilder streamBuilder = streamsPlanCreator.getStreamBuilder();
    final Stream<Values> lastStream = streamsPlanCreator.pop();
    final DataContext dc = streamsPlanCreator.getDataContext();
    final List<CompilingClassLoader> cls = streamsPlanCreator.getClassLoaders();
    return new AbstractStreamsProcessor() {

        @Override
        public StormTopology build() {
            return streamBuilder.build();
        }

        @Override
        public Stream<Values> outputStream() {
            return lastStream;
        }

        @Override
        public DataContext getDataContext() {
            return dc;
        }

        @Override
        public List<CompilingClassLoader> getClassLoaders() {
            return cls;
        }
    };
}

Example 95 with RexBuilder

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexBuilder in project flink by apache.

the class HiveParserCalcitePlanner method genUDTFPlan.

private RelNode genUDTFPlan(SqlOperator sqlOperator, String genericUDTFName, String outputTableAlias, List<String> colAliases, HiveParserQB qb, List<RexNode> operands, List<ColumnInfo> opColInfos, RelNode input, boolean inSelect, boolean isOuter) throws SemanticException {
    Preconditions.checkState(!isOuter || !inSelect, "OUTER is not supported for SELECT UDTF");
    // No GROUP BY / DISTRIBUTE BY / SORT BY / CLUSTER BY
    HiveParserQBParseInfo qbp = qb.getParseInfo();
    if (inSelect && !qbp.getDestToGroupBy().isEmpty()) {
        throw new SemanticException(ErrorMsg.UDTF_NO_GROUP_BY.getMsg());
    }
    if (inSelect && !qbp.getDestToDistributeBy().isEmpty()) {
        throw new SemanticException(ErrorMsg.UDTF_NO_DISTRIBUTE_BY.getMsg());
    }
    if (inSelect && !qbp.getDestToSortBy().isEmpty()) {
        throw new SemanticException(ErrorMsg.UDTF_NO_SORT_BY.getMsg());
    }
    if (inSelect && !qbp.getDestToClusterBy().isEmpty()) {
        throw new SemanticException(ErrorMsg.UDTF_NO_CLUSTER_BY.getMsg());
    }
    if (inSelect && !qbp.getAliasToLateralViews().isEmpty()) {
        throw new SemanticException(ErrorMsg.UDTF_LATERAL_VIEW.getMsg());
    }
    LOG.debug("Table alias: " + outputTableAlias + " Col aliases: " + colAliases);
    // Create the object inspector for the input columns and initialize the UDTF
    RelDataType relDataType = HiveParserUtils.inferReturnTypeForOperands(sqlOperator, operands, cluster.getTypeFactory());
    DataType dataType = HiveParserUtils.toDataType(relDataType);
    StructObjectInspector outputOI = (StructObjectInspector) HiveInspectors.getObjectInspector(HiveTypeUtil.toHiveTypeInfo(dataType, false));
    // this should only happen for select udtf
    if (outputTableAlias == null) {
        Preconditions.checkState(inSelect, "Table alias not specified for lateral view");
        String prefix = "select_" + genericUDTFName + "_alias_";
        int i = 0;
        while (qb.getAliases().contains(prefix + i)) {
            i++;
        }
        outputTableAlias = prefix + i;
    }
    if (colAliases.isEmpty()) {
        // user did not specify alias names, infer names from outputOI
        for (StructField field : outputOI.getAllStructFieldRefs()) {
            colAliases.add(field.getFieldName());
        }
    }
    // Make sure that the number of column aliases in the AS clause matches the number of
    // columns output by the UDTF
    int numOutputCols = outputOI.getAllStructFieldRefs().size();
    int numSuppliedAliases = colAliases.size();
    if (numOutputCols != numSuppliedAliases) {
        throw new SemanticException(ErrorMsg.UDTF_ALIAS_MISMATCH.getMsg("expected " + numOutputCols + " aliases " + "but got " + numSuppliedAliases));
    }
    // Generate the output column info's / row resolver using internal names.
    ArrayList<ColumnInfo> udtfOutputCols = new ArrayList<>();
    Iterator<String> colAliasesIter = colAliases.iterator();
    for (StructField sf : outputOI.getAllStructFieldRefs()) {
        String colAlias = colAliasesIter.next();
        assert (colAlias != null);
        // Since the UDTF operator feeds into a LVJ operator that will rename all the internal
        // names,
        // we can just use field name from the UDTF's OI as the internal name
        ColumnInfo col = new ColumnInfo(sf.getFieldName(), TypeInfoUtils.getTypeInfoFromObjectInspector(sf.getFieldObjectInspector()), outputTableAlias, false);
        udtfOutputCols.add(col);
    }
    // Create the row resolver for the table function scan
    HiveParserRowResolver udtfOutRR = new HiveParserRowResolver();
    for (int i = 0; i < udtfOutputCols.size(); i++) {
        udtfOutRR.put(outputTableAlias, colAliases.get(i), udtfOutputCols.get(i));
    }
    // Build row type from field <type, name>
    RelDataType retType = HiveParserTypeConverter.getType(cluster, udtfOutRR, null);
    List<RelDataType> argTypes = new ArrayList<>();
    RelDataTypeFactory dtFactory = cluster.getRexBuilder().getTypeFactory();
    for (ColumnInfo ci : opColInfos) {
        argTypes.add(HiveParserUtils.toRelDataType(ci.getType(), dtFactory));
    }
    SqlOperator calciteOp = HiveParserSqlFunctionConverter.getCalciteFn(genericUDTFName, argTypes, retType, false);
    RexNode rexNode = cluster.getRexBuilder().makeCall(calciteOp, operands);
    // convert the rex call
    TableFunctionConverter udtfConverter = new TableFunctionConverter(cluster, input, frameworkConfig.getOperatorTable(), catalogReader.nameMatcher());
    RexCall convertedCall = (RexCall) rexNode.accept(udtfConverter);
    SqlOperator convertedOperator = convertedCall.getOperator();
    Preconditions.checkState(convertedOperator instanceof SqlUserDefinedTableFunction, "Expect operator to be " + SqlUserDefinedTableFunction.class.getSimpleName() + ", actually got " + convertedOperator.getClass().getSimpleName());
    // TODO: how to decide this?
    Type elementType = Object[].class;
    // create LogicalTableFunctionScan
    RelNode tableFunctionScan = LogicalTableFunctionScan.create(input.getCluster(), Collections.emptyList(), convertedCall, elementType, retType, null);
    // remember the table alias for the UDTF so that we can reference the cols later
    qb.addAlias(outputTableAlias);
    RelNode correlRel;
    RexBuilder rexBuilder = cluster.getRexBuilder();
    // find correlation in the converted call
    Pair<List<CorrelationId>, ImmutableBitSet> correlUse = getCorrelationUse(convertedCall);
    // create correlate node
    if (correlUse == null) {
        correlRel = plannerContext.createRelBuilder(catalogManager.getCurrentCatalog(), catalogManager.getCurrentDatabase()).push(input).push(tableFunctionScan).join(isOuter ? JoinRelType.LEFT : JoinRelType.INNER, rexBuilder.makeLiteral(true)).build();
    } else {
        if (correlUse.left.size() > 1) {
            tableFunctionScan = DeduplicateCorrelateVariables.go(rexBuilder, correlUse.left.get(0), Util.skip(correlUse.left), tableFunctionScan);
        }
        correlRel = LogicalCorrelate.create(input, tableFunctionScan, correlUse.left.get(0), correlUse.right, isOuter ? JoinRelType.LEFT : JoinRelType.INNER);
    }
    // Add new rel & its RR to the maps
    relToHiveColNameCalcitePosMap.put(tableFunctionScan, buildHiveToCalciteColumnMap(udtfOutRR));
    relToRowResolver.put(tableFunctionScan, udtfOutRR);
    HiveParserRowResolver correlRR = HiveParserRowResolver.getCombinedRR(relToRowResolver.get(input), relToRowResolver.get(tableFunctionScan));
    relToHiveColNameCalcitePosMap.put(correlRel, buildHiveToCalciteColumnMap(correlRR));
    relToRowResolver.put(correlRel, correlRR);
    if (!inSelect) {
        return correlRel;
    }
    // create project node
    List<RexNode> projects = new ArrayList<>();
    HiveParserRowResolver projectRR = new HiveParserRowResolver();
    int j = 0;
    for (int i = input.getRowType().getFieldCount(); i < correlRel.getRowType().getFieldCount(); i++) {
        projects.add(cluster.getRexBuilder().makeInputRef(correlRel, i));
        ColumnInfo inputColInfo = correlRR.getRowSchema().getSignature().get(i);
        String colAlias = inputColInfo.getAlias();
        ColumnInfo colInfo = new ColumnInfo(getColumnInternalName(j++), inputColInfo.getObjectInspector(), null, false);
        projectRR.put(null, colAlias, colInfo);
    }
    RelNode projectNode = LogicalProject.create(correlRel, Collections.emptyList(), projects, tableFunctionScan.getRowType());
    relToHiveColNameCalcitePosMap.put(projectNode, buildHiveToCalciteColumnMap(projectRR));
    relToRowResolver.put(projectNode, projectRR);
    return projectNode;
}