Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3715#discussion_r125461422
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/join/WindowJoinUtil.scala
---
@@ -210,77 +187,71 @@ object JoinUtil {
case _ => Seq()
}
case c: RexCall =>
- c.operands.map(analyzeSingleConditionTerm(_, leftFieldCount,
inputType)).reduce(_++_)
+ c.operands.map(extractTimeIndicatorAccesses(_, leftFieldCount,
inputType)).reduce(_++_)
case _ => Seq()
}
}
/**
- * Extract time offset and determain which table the offset belong to
+ * Extract time offset and determain it's the lower bound of left
stream or the upper bound
--- End diff --
```
Computes the absolute bound on the left operand of a comparison expression
and
whether the bound is an upper or lower bound.
```
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