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[FLINK-11896] [table-planner-blink] Introduce stream physical nodes (a…
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41
...flink-table-planner-blink/src/main/java/org/apache/flink/table/plan/PartialFinalType.java
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|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * 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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|
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| package org.apache.flink.table.plan; | ||
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| /** | ||
| * Enumerations for partial final aggregate types. | ||
| * | ||
| * @see org.apache.flink.table.plan.rules.physical.stream.SplitAggregateRule | ||
| */ | ||
| public enum PartialFinalType { | ||
| /** | ||
| * partial aggregate type represents partial-aggregation, | ||
| * which produces a partial distinct aggregated result based on group key and bucket number. | ||
| */ | ||
| PARTIAL, | ||
| /** | ||
| * final aggregate type represents final-aggregation, | ||
| * which produces final result based on the partially distinct aggregated result. | ||
| */ | ||
| FINAL, | ||
| /** | ||
| * the aggregate which has not been split. | ||
| */ | ||
| NONE | ||
| } |
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78
...er-blink/src/main/scala/org/apache/flink/table/plan/nodes/common/CommonPhysicalJoin.scala
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| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * 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.plan.nodes.common | ||
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| import org.apache.flink.table.plan.FlinkJoinRelType | ||
| import org.apache.flink.table.plan.nodes.physical.FlinkPhysicalRel | ||
| import org.apache.flink.table.plan.util.{FlinkRelOptUtil, RelExplainUtil} | ||
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| import org.apache.calcite.rel.RelWriter | ||
| import org.apache.calcite.rel.`type`.{RelDataType, RelDataTypeField} | ||
| import org.apache.calcite.rel.core.{Join, SemiJoin} | ||
| import org.apache.calcite.sql.validate.SqlValidatorUtil | ||
| import org.apache.calcite.util.mapping.IntPair | ||
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| import java.util | ||
| import java.util.Collections | ||
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| import scala.collection.JavaConversions._ | ||
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| /** | ||
| * Base physical class for flink [[Join]]. | ||
| */ | ||
| trait CommonPhysicalJoin extends Join with FlinkPhysicalRel { | ||
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| lazy val (joinInfo, filterNulls) = { | ||
| val filterNulls = new util.ArrayList[java.lang.Boolean] | ||
| val joinInfo = FlinkRelOptUtil.createJoinInfo(getLeft, getRight, getCondition, filterNulls) | ||
| (joinInfo, filterNulls.map(_.booleanValue()).toArray) | ||
| } | ||
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| lazy val keyPairs: List[IntPair] = joinInfo.pairs.toList | ||
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| // TODO supports FlinkJoinRelType.ANTI | ||
| lazy val flinkJoinType: FlinkJoinRelType = this match { | ||
| case sj: SemiJoin => FlinkJoinRelType.SEMI | ||
| case j: Join => FlinkJoinRelType.toFlinkJoinRelType(getJoinType) | ||
| case _ => throw new IllegalArgumentException(s"Illegal join node: ${this.getRelTypeName}") | ||
| } | ||
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| lazy val inputRowType: RelDataType = this match { | ||
| case sj: SemiJoin => | ||
| // Combines inputs' RowType, the result is different from SemiJoin's RowType. | ||
| SqlValidatorUtil.deriveJoinRowType( | ||
| sj.getLeft.getRowType, | ||
| sj.getRight.getRowType, | ||
| getJoinType, | ||
| sj.getCluster.getTypeFactory, | ||
| null, | ||
| Collections.emptyList[RelDataTypeField] | ||
| ) | ||
| case j: Join => getRowType | ||
| case _ => throw new IllegalArgumentException(s"Illegal join node: ${this.getRelTypeName}") | ||
| } | ||
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| override def explainTerms(pw: RelWriter): RelWriter = { | ||
| pw.input("left", getLeft).input("right", getRight) | ||
| .item("joinType", RelExplainUtil.joinTypeToString(flinkJoinType)) | ||
| .item("where", | ||
| RelExplainUtil.expressionToString(getCondition, inputRowType, getExpressionString)) | ||
| .item("select", getRowType.getFieldNames.mkString(", ")) | ||
| } | ||
| } |
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