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Subject [GitHub] [flink] KurtYoung commented on a change in pull request #8165: [FLINK-12185] [table-planner-blink] Add support for generating optimized logical plan for join on stream
Date Mon, 15 Apr 2019 03:32:29 GMT
KurtYoung commented on a change in pull request #8165: [FLINK-12185] [table-planner-blink]
Add support for generating optimized logical plan for join on stream
URL: https://github.com/apache/flink/pull/8165#discussion_r275198200

 File path: flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/rules/physical/stream/StreamExecJoinRule.scala
 @@ -0,0 +1,126 @@
+ * 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.rules.physical.stream
+import org.apache.flink.table.api.TableException
+import org.apache.flink.table.calcite.{FlinkContext, FlinkTypeFactory}
+import org.apache.flink.table.plan.`trait`.FlinkRelDistribution
+import org.apache.flink.table.plan.nodes.FlinkConventions
+import org.apache.flink.table.plan.nodes.logical.{FlinkLogicalJoin, FlinkLogicalRel}
+import org.apache.flink.table.plan.nodes.physical.stream.StreamExecJoin
+import org.apache.flink.table.plan.util.WindowJoinUtil
+import org.apache.calcite.plan.RelOptRule.{any, operand}
+import org.apache.calcite.plan.{RelOptRule, RelOptRuleCall, RelTraitSet}
+import org.apache.calcite.rel.RelNode
+import java.util
+import scala.collection.JavaConversions._
+  * Rule that converts [[FlinkLogicalJoin]] without window bounds in join condition
+  * to [[StreamExecJoin]].
+  */
+class StreamExecJoinRule
 Review comment:
   Change name to xxxxxUnboundedJoinRule  or xxxxNonWindowJoinRule 

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