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From GitBox <...@apache.org>
Subject [GitHub] twalthr commented on a change in pull request #6299: [FLINK-9713][table][sql] Support processing time versioned joins
Date Thu, 20 Sep 2018 14:04:03 GMT
twalthr commented on a change in pull request #6299: [FLINK-9713][table][sql] Support processing
time versioned joins
URL: https://github.com/apache/flink/pull/6299#discussion_r219175922
 
 

 ##########
 File path: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/calcite/RelTimeIndicatorConverter.scala
 ##########
 @@ -166,9 +167,20 @@ class RelTimeIndicatorConverter(rexBuilder: RexBuilder) extends RelShuttle
{
     val right = join.getRight.accept(this)
 
     LogicalJoin.create(left, right, join.getCondition, join.getVariablesSet, join.getJoinType)
-
   }
 
+  def visit(temporalJoin: LogicalTemporalTableJoin): RelNode = {
+    val left = temporalJoin.getLeft.accept(this)
+    val right = temporalJoin.getRight.accept(this)
+
+    val rewrittenTemporalJoin = temporalJoin.copy(temporalJoin.getTraitSet, List(left, right))
+
+    // Materialize all of the time attributes from the right side of temporal join
+    val indicesToMaterialize =
 
 Review comment:
   The processing time of the right side must not be materialized.

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