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[FLINK-19606][table-runtime-blink] Introduce StreamExecWindowJoin and…
… window join it cases.
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...main/java/org/apache/flink/table/planner/plan/nodes/exec/stream/StreamExecWindowJoin.java
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| /* | ||
| * 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. | ||
| * | ||
| */ | ||
|
|
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| package org.apache.flink.table.planner.plan.nodes.exec.stream; | ||
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| import org.apache.flink.api.dag.Transformation; | ||
| import org.apache.flink.streaming.api.transformations.TwoInputTransformation; | ||
| import org.apache.flink.table.api.TableConfig; | ||
| import org.apache.flink.table.api.TableException; | ||
| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.table.planner.delegation.PlannerBase; | ||
| import org.apache.flink.table.planner.plan.logical.WindowAttachedWindowingStrategy; | ||
| import org.apache.flink.table.planner.plan.logical.WindowingStrategy; | ||
| import org.apache.flink.table.planner.plan.nodes.exec.ExecEdge; | ||
| import org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase; | ||
| import org.apache.flink.table.planner.plan.nodes.exec.InputProperty; | ||
| import org.apache.flink.table.planner.plan.nodes.exec.SingleTransformationTranslator; | ||
| import org.apache.flink.table.planner.plan.nodes.exec.spec.JoinSpec; | ||
| import org.apache.flink.table.planner.plan.utils.JoinUtil; | ||
| import org.apache.flink.table.planner.plan.utils.KeySelectorUtil; | ||
| import org.apache.flink.table.runtime.generated.GeneratedJoinCondition; | ||
| import org.apache.flink.table.runtime.keyselector.RowDataKeySelector; | ||
| import org.apache.flink.table.runtime.operators.join.window.WindowJoinOperator; | ||
| import org.apache.flink.table.runtime.operators.join.window.WindowJoinOperatorBuilder; | ||
| import org.apache.flink.table.runtime.typeutils.InternalTypeInfo; | ||
| import org.apache.flink.table.runtime.util.TimeWindowUtil; | ||
| import org.apache.flink.table.types.logical.RowType; | ||
|
|
||
| import org.apache.flink.shaded.guava18.com.google.common.collect.Lists; | ||
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator; | ||
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonIgnoreProperties; | ||
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty; | ||
|
|
||
| import java.time.ZoneId; | ||
| import java.util.List; | ||
|
|
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| import static org.apache.flink.util.Preconditions.checkArgument; | ||
| import static org.apache.flink.util.Preconditions.checkNotNull; | ||
|
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| /** {@link StreamExecNode} for WindowJoin. */ | ||
| @JsonIgnoreProperties(ignoreUnknown = true) | ||
| public class StreamExecWindowJoin extends ExecNodeBase<RowData> | ||
| implements StreamExecNode<RowData>, SingleTransformationTranslator<RowData> { | ||
| public static final String FIELD_NAME_JOIN_SPEC = "joinSpec"; | ||
| public static final String FIELD_NAME_LEFT_WINDOWING = "leftWindowing"; | ||
| public static final String FIELD_NAME_RIGHT_WINDOWING = "rightWindowing"; | ||
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| @JsonProperty(FIELD_NAME_JOIN_SPEC) | ||
| private final JoinSpec joinSpec; | ||
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| @JsonProperty(FIELD_NAME_LEFT_WINDOWING) | ||
| private final WindowingStrategy leftWindowing; | ||
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| @JsonProperty(FIELD_NAME_RIGHT_WINDOWING) | ||
| private final WindowingStrategy rightWindowing; | ||
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| public StreamExecWindowJoin( | ||
| JoinSpec joinSpec, | ||
| WindowingStrategy leftWindowing, | ||
| WindowingStrategy rightWindowing, | ||
| InputProperty leftInputProperty, | ||
| InputProperty rightInputProperty, | ||
| RowType outputType, | ||
| String description) { | ||
| this( | ||
| joinSpec, | ||
| leftWindowing, | ||
| rightWindowing, | ||
| getNewNodeId(), | ||
| Lists.newArrayList(leftInputProperty, rightInputProperty), | ||
| outputType, | ||
| description); | ||
| } | ||
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| @JsonCreator | ||
| public StreamExecWindowJoin( | ||
| @JsonProperty(FIELD_NAME_JOIN_SPEC) JoinSpec joinSpec, | ||
| @JsonProperty(FIELD_NAME_LEFT_WINDOWING) WindowingStrategy leftWindowing, | ||
| @JsonProperty(FIELD_NAME_RIGHT_WINDOWING) WindowingStrategy rightWindowing, | ||
| @JsonProperty(FIELD_NAME_ID) int id, | ||
| @JsonProperty(FIELD_NAME_INPUT_PROPERTIES) List<InputProperty> inputProperties, | ||
| @JsonProperty(FIELD_NAME_OUTPUT_TYPE) RowType outputType, | ||
| @JsonProperty(FIELD_NAME_DESCRIPTION) String description) { | ||
| super(id, inputProperties, outputType, description); | ||
| checkArgument(inputProperties.size() == 2); | ||
| this.joinSpec = checkNotNull(joinSpec); | ||
| validate(leftWindowing); | ||
| validate(rightWindowing); | ||
| this.leftWindowing = leftWindowing; | ||
| this.rightWindowing = rightWindowing; | ||
| } | ||
|
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| private void validate(WindowingStrategy windowing) { | ||
| // validate window strategy | ||
| if (!windowing.isRowtime()) { | ||
| throw new TableException("Processing time Window Join is not supported yet."); | ||
| } | ||
|
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| if (!(windowing instanceof WindowAttachedWindowingStrategy)) { | ||
| throw new TableException(windowing.getClass().getName() + " is not supported yet."); | ||
| } | ||
| } | ||
|
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| protected Transformation<RowData> translateToPlanInternal(PlannerBase planner) { | ||
| int leftWindowEndIndex = ((WindowAttachedWindowingStrategy) leftWindowing).getWindowEnd(); | ||
| int rightWindowEndIndex = ((WindowAttachedWindowingStrategy) rightWindowing).getWindowEnd(); | ||
| final ExecEdge leftInputEdge = getInputEdges().get(0); | ||
| final ExecEdge rightInputEdge = getInputEdges().get(1); | ||
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| final Transformation<RowData> leftTransform = | ||
| (Transformation<RowData>) leftInputEdge.translateToPlan(planner); | ||
| final Transformation<RowData> rightTransform = | ||
| (Transformation<RowData>) rightInputEdge.translateToPlan(planner); | ||
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| final RowType leftType = (RowType) leftInputEdge.getOutputType(); | ||
| final RowType rightType = (RowType) rightInputEdge.getOutputType(); | ||
| JoinUtil.validateJoinSpec(joinSpec, leftType, rightType, true); | ||
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| final int[] leftJoinKey = joinSpec.getLeftKeys(); | ||
| final int[] rightJoinKey = joinSpec.getRightKeys(); | ||
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| final InternalTypeInfo<RowData> leftTypeInfo = InternalTypeInfo.of(leftType); | ||
| final InternalTypeInfo<RowData> rightTypeInfo = InternalTypeInfo.of(rightType); | ||
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| final TableConfig tableConfig = planner.getTableConfig(); | ||
| GeneratedJoinCondition generatedCondition = | ||
| JoinUtil.generateConditionFunction(tableConfig, joinSpec, leftType, rightType); | ||
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| ZoneId shiftTimeZone = | ||
| TimeWindowUtil.getShiftTimeZone(leftWindowing.getTimeAttributeType(), tableConfig); | ||
| WindowJoinOperator operator = | ||
| WindowJoinOperatorBuilder.builder() | ||
| .leftSerializer(leftTypeInfo.toRowSerializer()) | ||
| .rightSerializer(rightTypeInfo.toRowSerializer()) | ||
| .generatedJoinCondition(generatedCondition) | ||
| .leftWindowEndIndex(leftWindowEndIndex) | ||
| .rightWindowEndIndex(rightWindowEndIndex) | ||
| .filterNullKeys(joinSpec.getFilterNulls()) | ||
| .joinType(joinSpec.getJoinType()) | ||
| .withShiftTimezone(shiftTimeZone) | ||
| .build(); | ||
|
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| final RowType returnType = (RowType) getOutputType(); | ||
| final TwoInputTransformation<RowData, RowData, RowData> transform = | ||
| new TwoInputTransformation<>( | ||
| leftTransform, | ||
| rightTransform, | ||
| getDescription(), | ||
| operator, | ||
| InternalTypeInfo.of(returnType), | ||
| leftTransform.getParallelism()); | ||
|
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| // set KeyType and Selector for state | ||
| RowDataKeySelector leftSelect = | ||
| KeySelectorUtil.getRowDataSelector(leftJoinKey, leftTypeInfo); | ||
| RowDataKeySelector rightSelect = | ||
| KeySelectorUtil.getRowDataSelector(rightJoinKey, rightTypeInfo); | ||
| transform.setStateKeySelectors(leftSelect, rightSelect); | ||
| transform.setStateKeyType(leftSelect.getProducedType()); | ||
| return transform; | ||
| } | ||
| } |
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112
...st/java/org/apache/flink/table/planner/plan/nodes/exec/stream/WindowJoinJsonPlanTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.flink.table.planner.plan.nodes.exec.stream; | ||
|
|
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| import org.apache.flink.table.api.TableConfig; | ||
| import org.apache.flink.table.api.TableEnvironment; | ||
| import org.apache.flink.table.planner.utils.StreamTableTestUtil; | ||
| import org.apache.flink.table.planner.utils.TableTestBase; | ||
|
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| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
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| /** Test json serialization/deserialization for window join. */ | ||
| public class WindowJoinJsonPlanTest extends TableTestBase { | ||
|
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| private StreamTableTestUtil util; | ||
| private TableEnvironment tEnv; | ||
|
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| @Before | ||
| public void setup() { | ||
| util = streamTestUtil(TableConfig.getDefault()); | ||
| tEnv = util.getTableEnv(); | ||
|
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| String srcTable1Ddl = | ||
| "CREATE TABLE MyTable (\n" | ||
| + " a INT,\n" | ||
| + " b BIGINT,\n" | ||
| + " c VARCHAR,\n" | ||
| + " `rowtime` AS TO_TIMESTAMP(c),\n" | ||
| + " proctime as PROCTIME(),\n" | ||
| + " WATERMARK for `rowtime` AS `rowtime` - INTERVAL '1' SECOND\n" | ||
| + ") WITH (\n" | ||
| + " 'connector' = 'values')\n"; | ||
| tEnv.executeSql(srcTable1Ddl); | ||
|
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| String srcTable2Ddl = | ||
| "CREATE TABLE MyTable2 (\n" | ||
| + " a INT,\n" | ||
| + " b BIGINT,\n" | ||
| + " c VARCHAR,\n" | ||
| + " `rowtime` AS TO_TIMESTAMP(c),\n" | ||
| + " proctime as PROCTIME(),\n" | ||
| + " WATERMARK for `rowtime` AS `rowtime` - INTERVAL '1' SECOND\n" | ||
| + ") WITH (\n" | ||
| + " 'connector' = 'values')\n"; | ||
| tEnv.executeSql(srcTable2Ddl); | ||
| } | ||
|
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| @Test | ||
| public void testEventTimeTumbleWindow() { | ||
| String sinkTableDdl = | ||
| "CREATE TABLE MySink (\n" | ||
| + " l_a INT,\n" | ||
| + " window_start TIMESTAMP(3),\n" | ||
| + " window_end TIMESTAMP(3),\n" | ||
| + " l_cnt BIGINT,\n" | ||
| + " l_uv BIGINT,\n" | ||
| + " r_a INT,\n" | ||
| + " r_cnt BIGINT,\n" | ||
| + " r_uv BIGINT\n" | ||
| + ") WITH (\n" | ||
| + " 'connector' = 'values')\n"; | ||
| tEnv.executeSql(sinkTableDdl); | ||
| util.verifyJsonPlan( | ||
| "insert into MySink select\n" | ||
| + " L.a,\n" | ||
| + " L.window_start,\n" | ||
| + " L.window_end,\n" | ||
| + " L.cnt,\n" | ||
| + " L.uv,\n" | ||
| + " R.a,\n" | ||
| + " R.cnt,\n" | ||
| + " R.uv\n" | ||
| + "FROM (\n" | ||
| + " SELECT\n" | ||
| + " a,\n" | ||
| + " window_start,\n" | ||
| + " window_end,\n" | ||
| + " count(*) as cnt,\n" | ||
| + " count(distinct c) AS uv\n" | ||
| + " FROM TABLE(TUMBLE(TABLE MyTable, DESCRIPTOR(rowtime), INTERVAL '15' MINUTE))\n" | ||
| + " GROUP BY a, window_start, window_end, window_time\n" | ||
| + ") L\n" | ||
| + "JOIN (\n" | ||
| + " SELECT\n" | ||
| + " a,\n" | ||
| + " window_start,\n" | ||
| + " window_end,\n" | ||
| + " count(*) as cnt,\n" | ||
| + " count(distinct c) AS uv\n" | ||
| + " FROM TABLE(TUMBLE(TABLE MyTable2, DESCRIPTOR(rowtime), INTERVAL '15' MINUTE))\n" | ||
| + " GROUP BY a, window_start, window_end, window_time\n" | ||
| + ") R\n" | ||
| + "ON L.window_start = R.window_start AND L.window_end = R.window_end AND L.a = R.a"); | ||
| } | ||
| } |
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