twalthr commented on a change in pull request #6776: [FLINK-9715][table]
Support temporal join with event time
URL: https://github.com/apache/flink/pull/6776#discussion_r221555523
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File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamJoin.scala
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@@ -24,6 +24,7 @@ import org.apache.calcite.rel.core.{JoinInfo, JoinRelType}
import org.apache.calcite.rel.{BiRel, RelNode, RelWriter}
import org.apache.calcite.rex.RexNode
import org.apache.flink.streaming.api.datastream.DataStream
+import org.apache.flink.streaming.api.operators.co.KeyedCoProcessOperator
Review comment:
Unused import.
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