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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2020/05/19 00:01:17 UTC
[GitHub] [beam] apilloud commented on a change in pull request #10946: [BEAM-9363] TUMBLE as TVF
apilloud commented on a change in pull request #10946:
URL: https://github.com/apache/beam/pull/10946#discussion_r426949818
##########
File path: sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/translation/TVFScanConverter.java
##########
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.extensions.sql.zetasql.translation;
+
+import com.google.zetasql.resolvedast.ResolvedNode;
+import com.google.zetasql.resolvedast.ResolvedNodes.ResolvedTVFArgument;
+import com.google.zetasql.resolvedast.ResolvedNodes.ResolvedTVFScan;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.logical.LogicalTableFunctionScan;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataType;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataTypeField;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataTypeFieldImpl;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelRecordType;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.sql.type.SqlTypeName;
+
+class TVFScanConverter extends RelConverter<ResolvedTVFScan> {
+
+ TVFScanConverter(ConversionContext context) {
+ super(context);
+ }
+
+ @Override
+ public RelNode convert(ResolvedTVFScan zetaNode, List<RelNode> inputs) {
+ RelNode input = inputs.get(0);
+ RelNode tableFunctionScan =
+ LogicalTableFunctionScan.create(
+ getCluster(),
+ inputs,
+ getExpressionConverter()
+ .convertTableValuedFunction(
+ input,
+ zetaNode.getTvf(),
+ zetaNode.getArgumentList(),
+ zetaNode.getArgumentList().get(0).getScan().getColumnList()),
+ null,
+ createRowTypeWithWindowStartAndEnd(input.getRowType()),
+ Collections.EMPTY_SET);
+
+ return tableFunctionScan;
+ }
+
+ @Override
+ public List<ResolvedNode> getInputs(ResolvedTVFScan zetaNode) {
+ List<ResolvedNode> inputs = new ArrayList();
+ for (ResolvedTVFArgument argument : zetaNode.getArgumentList()) {
+ if (argument.getScan() != null) {
+ inputs.add(argument.getScan());
+ }
+ }
+ return inputs;
+ }
+
+ private RelDataType createRowTypeWithWindowStartAndEnd(RelDataType inputRowType) {
+ List<RelDataTypeField> newFields = new ArrayList<>(inputRowType.getFieldList());
+ RelDataType timestampType = getCluster().getTypeFactory().createSqlType(SqlTypeName.TIMESTAMP);
+
+ RelDataTypeField windowStartField =
+ new RelDataTypeFieldImpl("window_start", newFields.size(), timestampType);
Review comment:
Use the constant?
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamTableFunctionScanRel.java
##########
@@ -0,0 +1,162 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.extensions.sql.impl.rel;
+
+import static org.apache.beam.vendor.calcite.v1_20_0.com.google.common.base.Preconditions.checkArgument;
+
+import java.lang.reflect.Type;
+import java.util.List;
+import java.util.Set;
+import org.apache.beam.sdk.extensions.sql.impl.planner.BeamCostModel;
+import org.apache.beam.sdk.extensions.sql.impl.planner.NodeStats;
+import org.apache.beam.sdk.extensions.sql.impl.utils.CalciteUtils;
+import org.apache.beam.sdk.schemas.Schema;
+import org.apache.beam.sdk.transforms.DoFn;
+import org.apache.beam.sdk.transforms.PTransform;
+import org.apache.beam.sdk.transforms.ParDo;
+import org.apache.beam.sdk.transforms.windowing.FixedWindows;
+import org.apache.beam.sdk.transforms.windowing.IntervalWindow;
+import org.apache.beam.sdk.values.PCollection;
+import org.apache.beam.sdk.values.PCollectionList;
+import org.apache.beam.sdk.values.Row;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptCluster;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptPlanner;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelTraitSet;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.core.TableFunctionScan;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.metadata.RelColumnMapping;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.metadata.RelMetadataQuery;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataType;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexCall;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexInputRef;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexLiteral;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexNode;
+import org.joda.time.Duration;
+
+/**
+ * BeamRelNode to replace {@code TableFunctionScan}. Currently this class limits to support
+ * table-valued function for streaming windowing.
+ */
+public class BeamTableFunctionScanRel extends TableFunctionScan implements BeamRelNode {
+ public BeamTableFunctionScanRel(
+ RelOptCluster cluster,
+ RelTraitSet traitSet,
+ List<RelNode> inputs,
+ RexNode rexCall,
+ Type elementType,
+ RelDataType rowType,
+ Set<RelColumnMapping> columnMappings) {
+ super(cluster, traitSet, inputs, rexCall, elementType, rowType, columnMappings);
+ }
+
+ @Override
+ public TableFunctionScan copy(
+ RelTraitSet traitSet,
+ List<RelNode> list,
+ RexNode rexNode,
+ Type type,
+ RelDataType relDataType,
+ Set<RelColumnMapping> set) {
+ return new BeamTableFunctionScanRel(
+ getCluster(), traitSet, list, rexNode, type, relDataType, columnMappings);
Review comment:
Shouldn't `columnMappings` here be `set`? This is discarding the value provided as an argument to copy.
##########
File path: sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/translation/TVFScanConverter.java
##########
@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.extensions.sql.zetasql.translation;
+
+import com.google.zetasql.resolvedast.ResolvedNode;
+import com.google.zetasql.resolvedast.ResolvedNodes.ResolvedTVFArgument;
+import com.google.zetasql.resolvedast.ResolvedNodes.ResolvedTVFScan;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.logical.LogicalTableFunctionScan;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataType;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataTypeField;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataTypeFieldImpl;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelRecordType;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.sql.type.SqlTypeName;
+
+/** Converts TVFScan. */
+class TVFScanConverter extends RelConverter<ResolvedTVFScan> {
+
+ TVFScanConverter(ConversionContext context) {
+ super(context);
+ }
+
+ @Override
+ public RelNode convert(ResolvedTVFScan zetaNode, List<RelNode> inputs) {
+ RelNode input = inputs.get(0);
+ RelNode tableFunctionScan =
+ LogicalTableFunctionScan.create(
+ getCluster(),
+ inputs,
+ getExpressionConverter()
+ .convertTableValuedFunction(
+ input,
+ zetaNode.getTvf(),
+ zetaNode.getArgumentList(),
+ zetaNode.getArgumentList().get(0).getScan().getColumnList()),
+ null,
+ createRowTypeWithWindowStartAndEnd(input.getRowType()),
+ Collections.EMPTY_SET);
+
+ return tableFunctionScan;
+ }
+
+ @Override
+ public List<ResolvedNode> getInputs(ResolvedTVFScan zetaNode) {
+ List<ResolvedNode> inputs = new ArrayList();
+ for (ResolvedTVFArgument argument : zetaNode.getArgumentList()) {
+ if (argument.getScan() != null) {
+ inputs.add(argument.getScan());
+ }
+ }
+ return inputs;
+ }
+
+ private RelDataType createRowTypeWithWindowStartAndEnd(RelDataType inputRowType) {
+ List<RelDataTypeField> newFields = new ArrayList<>(inputRowType.getFieldList());
+ RelDataType timestampType = getCluster().getTypeFactory().createSqlType(SqlTypeName.TIMESTAMP);
+
+ RelDataTypeField windowStartField =
+ new RelDataTypeFieldImpl("window_start", newFields.size(), timestampType);
+ newFields.add(windowStartField);
+ RelDataTypeField windowEndField =
+ new RelDataTypeFieldImpl("window_end", newFields.size(), timestampType);
Review comment:
Use the constant?
##########
File path: sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/SqlAnalyzer.java
##########
@@ -175,6 +185,37 @@ private void addBuiltinFunctionsToCatalog(SimpleCatalog catalog, AnalyzerOptions
Mode.SCALAR,
ImmutableList.of(resolvedFunc.getSignature())))
.forEach(catalog::addFunction);
+
+ FunctionArgumentType retType =
+ new FunctionArgumentType(SignatureArgumentKind.ARG_TYPE_RELATION);
+
+ FunctionArgumentType inputTableType =
+ new FunctionArgumentType(SignatureArgumentKind.ARG_TYPE_RELATION);
+
+ FunctionArgumentType descriptorType =
+ new FunctionArgumentType(
+ SignatureArgumentKind.ARG_TYPE_DESCRIPTOR,
+ FunctionArgumentTypeOptionsProto.newBuilder()
+ .setDescriptorResolutionTableOffset(0)
+ .build(),
+ 1);
+
+ FunctionArgumentType stringType =
+ new FunctionArgumentType(TypeFactory.createSimpleType(TypeKind.TYPE_STRING));
+
+ // TUMBLE
+ catalog.addTableValuedFunction(
+ new TableValuedFunction.ForwardInputSchemaToOutputSchemaWithAppendedColumnTVF(
Review comment:
I really hope you got a badge for that function name...
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamTableFunctionScanRel.java
##########
@@ -0,0 +1,162 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.extensions.sql.impl.rel;
+
+import static org.apache.beam.vendor.calcite.v1_20_0.com.google.common.base.Preconditions.checkArgument;
+
+import java.lang.reflect.Type;
+import java.util.List;
+import java.util.Set;
+import org.apache.beam.sdk.extensions.sql.impl.planner.BeamCostModel;
+import org.apache.beam.sdk.extensions.sql.impl.planner.NodeStats;
+import org.apache.beam.sdk.extensions.sql.impl.utils.CalciteUtils;
+import org.apache.beam.sdk.schemas.Schema;
+import org.apache.beam.sdk.transforms.DoFn;
+import org.apache.beam.sdk.transforms.PTransform;
+import org.apache.beam.sdk.transforms.ParDo;
+import org.apache.beam.sdk.transforms.windowing.FixedWindows;
+import org.apache.beam.sdk.transforms.windowing.IntervalWindow;
+import org.apache.beam.sdk.values.PCollection;
+import org.apache.beam.sdk.values.PCollectionList;
+import org.apache.beam.sdk.values.Row;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptCluster;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptPlanner;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelTraitSet;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.core.TableFunctionScan;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.metadata.RelColumnMapping;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.metadata.RelMetadataQuery;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataType;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexCall;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexInputRef;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexLiteral;
+import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexNode;
+import org.joda.time.Duration;
+
+/**
+ * BeamRelNode to replace {@code TableFunctionScan}. Currently this class limits to support
+ * table-valued function for streaming windowing.
+ */
+public class BeamTableFunctionScanRel extends TableFunctionScan implements BeamRelNode {
+ public BeamTableFunctionScanRel(
+ RelOptCluster cluster,
+ RelTraitSet traitSet,
+ List<RelNode> inputs,
+ RexNode rexCall,
+ Type elementType,
+ RelDataType rowType,
+ Set<RelColumnMapping> columnMappings) {
+ super(cluster, traitSet, inputs, rexCall, elementType, rowType, columnMappings);
+ }
+
+ @Override
+ public TableFunctionScan copy(
+ RelTraitSet traitSet,
+ List<RelNode> list,
+ RexNode rexNode,
+ Type type,
+ RelDataType relDataType,
+ Set<RelColumnMapping> set) {
+ return new BeamTableFunctionScanRel(
+ getCluster(), traitSet, list, rexNode, type, relDataType, columnMappings);
+ }
+
+ @Override
+ public PTransform<PCollectionList<Row>, PCollection<Row>> buildPTransform() {
+ return new Transform();
+ }
+
+ private class Transform extends PTransform<PCollectionList<Row>, PCollection<Row>> {
+
+ @Override
+ public PCollection<Row> expand(PCollectionList<Row> input) {
+ checkArgument(
+ input.size() == 1,
+ "Wrong number of inputs for %s, expected 1 input but received: %s",
+ BeamTableFunctionScanRel.class.getSimpleName(),
+ input);
+ String operatorName = ((RexCall) getCall()).getOperator().getName();
+ checkArgument(
+ operatorName.equals("TUMBLE"),
+ "Only support TUMBLE table-valued function. Current operator: %s",
+ operatorName);
+ RexCall call = ((RexCall) getCall());
+ RexInputRef wmCol = (RexInputRef) call.getOperands().get(1);
+ PCollection<Row> upstream = input.get(0);
+ Schema outputSchema = CalciteUtils.toSchema(getRowType());
+ return upstream
+ .apply(
+ ParDo.of(
+ new FixedWindowDoFn(
+ FixedWindows.of(durationParameter(call.getOperands().get(2))),
+ wmCol.getIndex(),
+ outputSchema)))
+ .setRowSchema(outputSchema);
+ }
+ }
+
+ private Duration durationParameter(RexNode node) {
+ return Duration.millis(longValue(node));
+ }
+
+ private long longValue(RexNode operand) {
+ if (operand instanceof RexLiteral) {
+ return ((Number) RexLiteral.value(operand)).longValue();
+ } else {
+ throw new IllegalArgumentException(String.format("[%s] is not valid.", operand));
+ }
+ }
+
+ private static class FixedWindowDoFn extends DoFn<Row, Row> {
+ private int windowFieldIndex;
Review comment:
all three of these should be `final`.
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/utils/TVFStreamingUtils.java
##########
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.extensions.sql.impl.utils;
+
+/** Provides static constants or utils for TVF streaming. */
+public class TVFStreamingUtils {
Review comment:
Nit: This seems like stuff that should go in `SqlWindowTableFunction`. Do these constants really need their own class?
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