hequn8128 commented on a change in pull request #11051:
[FLINK-15961][table-planner][table-planner-blink] Introduce Python Physical
Correlate RelNodes which are containers for Python TableFunction
URL: https://github.com/apache/flink/pull/11051#discussion_r378832786
##########
File path:
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/rules/datastream/DataStreamCorrelateRule.scala
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@@ -40,10 +40,11 @@ class DataStreamCorrelateRule
val right = join.getRight.asInstanceOf[RelSubset].getOriginal
right match {
- // right node is a table function
- case scan: FlinkLogicalTableFunctionScan => true
+ // right node is a java table function
+ case scan: FlinkLogicalTableFunctionScan =>
PythonUtil.isNonPythonCall(scan.getCall)
// a filter is pushed above the table function
- case calc: FlinkLogicalCalc if
CorrelateUtil.getTableFunctionScan(calc).isDefined => true
+ case calc: FlinkLogicalCalc =>
+
PythonUtil.isNonPythonCall(CorrelateUtil.getTableFunctionScan(calc).get.getCall)
Review comment:
The method `getTableFunctionScan` may returns None.
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