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https://issues.apache.org/jira/browse/FLINK-9344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16486725#comment-16486725
]
ASF GitHub Bot commented on FLINK-9344:
---------------------------------------
Github user walterddr commented on a diff in the pull request:
https://github.com/apache/flink/pull/5998#discussion_r190119548
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamIntersect.scala
---
@@ -0,0 +1,116 @@
+/*
+ * 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.flink.table.plan.nodes.datastream
+
+import org.apache.calcite.plan.{RelOptCluster, RelOptCost, RelOptPlanner,
RelTraitSet}
+import org.apache.calcite.rel.{BiRel, RelNode, RelWriter}
+import org.apache.calcite.rel.`type`.RelDataType
+import org.apache.calcite.rel.metadata.RelMetadataQuery
+import org.apache.flink.api.java.typeutils.RowTypeInfo
+import org.apache.flink.streaming.api.datastream.DataStream
+import org.apache.flink.table.api.{StreamQueryConfig,
StreamTableEnvironment}
+import org.apache.flink.table.plan.schema.RowSchema
+import org.apache.flink.table.runtime.CRowKeySelector
+import
org.apache.flink.table.runtime.setop.StreamIntersectCoProcessFunction
+import org.apache.flink.table.runtime.types.{CRow, CRowTypeInfo}
+
+import scala.collection.JavaConverters._
+
+class DataStreamIntersect(
+ cluster: RelOptCluster,
+ traitSet: RelTraitSet,
+ leftNode: RelNode,
+ rightNode: RelNode,
+ rowRelDataType: RelDataType,
+ all: Boolean)
+ extends BiRel(cluster, traitSet, leftNode, rightNode)
+ with DataStreamRel {
+
+ private lazy val intersectType = if (all) {
+ "All"
--- End diff --
`" All"` might be better formatting since you only attached this to the
`explainTerm` and `toString` method
> Support INTERSECT and INTERSECT ALL for streaming
> -------------------------------------------------
>
> Key: FLINK-9344
> URL: https://issues.apache.org/jira/browse/FLINK-9344
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Ruidong Li
> Assignee: Ruidong Li
> Priority: Major
>
> support intersect and intersect all for both SQL and TableAPI
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