hackergin commented on code in PR #24106:
URL: https://github.com/apache/flink/pull/24106#discussion_r1465418253
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flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/inference/TypeInferenceOperandChecker.java:
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@@ -114,6 +117,24 @@ public boolean isOptional(int i) {
return false;
}
+ @Override
+ public List<RelDataType> paramTypes(RelDataTypeFactory typeFactory) {
+ throw new IllegalStateException("Should not be called");
Review Comment:
The current usage does not involve this method, but the optional argument
will need to be implemented. I have already made modifications to this part.
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