luoyuxia commented on code in PR #18958:
URL: https://github.com/apache/flink/pull/18958#discussion_r888005853
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flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/HiveParserCalcitePlanner.java:
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@@ -2539,9 +2539,9 @@ private RelNode genUDTFPlan(
SqlOperator convertedOperator = convertedCall.getOperator();
Preconditions.checkState(
- convertedOperator instanceof SqlUserDefinedTableFunction,
+ convertedOperator instanceof BridgingSqlFunction,
"Expect operator to be "
- + SqlUserDefinedTableFunction.class.getSimpleName()
+ + BridgingSqlFunction.class.getSimpleName()
Review Comment:
Before this pr, the Hive's udtf will be converted to `HiveTableSqlFunction`,
which is instance of SqlUserDefinedTableFunction. The old code logic is in
[here](https://github.com/apache/flink/pull/18958/files#diff-ca5db8275fd03a414acc2af23a9114f47791506fb0542986f55f31865f1dbb87L130).
After this pr, it'll then convert to `BridgingSqlFunction`.
So, we need to.change it.
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