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
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@@ -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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