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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/10/11 01:50:09 UTC

[GitHub] [flink] luoyuxia commented on a diff in pull request #20987: [FLINK-29432][Connector/Hive] Remove use of GenericNVL and use Colaese

luoyuxia commented on code in PR #20987:
URL: https://github.com/apache/flink/pull/20987#discussion_r991746653


##########
flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/HiveParserTypeCheckProcFactory.java:
##########
@@ -1216,7 +1216,7 @@ protected ExprNodeDesc getXpathOrFuncExprNodeDesc(
                     // Rewrite CASE into NVL
                     desc =
                             ExprNodeGenericFuncDesc.newInstance(
-                                    new GenericUDFNvl(),
+                                    new GenericUDFCoalesce(),

Review Comment:
   I'm afriad of changing it may bring other bugs as reported int [HIVE-24902](https://issues.apache.org/jira/browse/HIVE-24902).
   Also, I still pefer not to change it as I commented in the jira [FLINK-29432](https://issues.apache.org/jira/browse/FLINK-29432)



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