fsk119 commented on code in PR #27106:
URL: https://github.com/apache/flink/pull/27106#discussion_r2427695849
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/rules/physical/stream/StreamPhysicalConstantTableFunctionScanRule.java:
##########
@@ -83,7 +84,8 @@ protected StreamPhysicalConstantTableFunctionScanRule(
public boolean matches(RelOptRuleCall call) {
final FlinkLogicalTableFunctionScan scan = call.rel(0);
- return !RexUtil.containsInputRef(scan.getCall());
+ return !RexUtil.containsInputRef(scan.getCall())
+ && PythonUtil.isNonPythonCall(scan.getCall());
Review Comment:
Currently Flink supports the following sql because of the
StreamPhysicalConstantTableFunctionRule.
```
SELECT * FROM LATERAL TABLE(func(1))
```
If we don't modify this, flink uses the java operator to run the python
function. It causes misleading exception here.
I think it's better we use another pr to fix this problem.
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