[ https://issues.apache.org/jira/browse/FLINK-29432 ]
xiaochen zhou deleted comment on FLINK-29432:
---------------------------------------
was (Author: zxcoccer):
hi，I would like to deal with it. Can you assign this ticket to me ?:)
> Replace GenericUDFNvl with GenericUDFCoalesce
> ---------------------------------------------
>
> Key: FLINK-29432
> URL: https://issues.apache.org/jira/browse/FLINK-29432
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Hive
> Affects Versions: 1.15.2
> Reporter: Prabhu Joseph
> Priority: Major
> Labels: pull-request-available
>
> Hive NVL() function has many issues like
> [HIVE-25193|https://issues.apache.org/jira/browse/HIVE-25193] and it is
> retired [HIVE-20961|https://issues.apache.org/jira/browse/HIVE-20961]. Our
> internal hive distribution has the fix for HIVE-20961. With this fix, Flink
> Build is failing with below as there is no more GenericUDFNvl in Hive. This
> needs to be replaced with GenericUDFCoalesce.
> {code}
> [INFO]
> /codebuild/output/src366217558/src/build/flink/rpm/BUILD/flink-1.15.2/flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/copy/HiveParserDefaultGraphWalker.java:
> Recompile with -Xlint:unchecked for details.
> [INFO] -------------------------------------------------------------
> [ERROR] COMPILATION ERROR :
> [INFO] -------------------------------------------------------------
> [ERROR]
> /codebuild/output/src366217558/src/build/flink/rpm/BUILD/flink-1.15.2/flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/HiveParserTypeCheckProcFactory.java:[75,45]
> cannot find symbol
> symbol: class GenericUDFNvl
> location: package org.apache.hadoop.hive.ql.udf.generic
> [ERROR]
> /codebuild/output/src366217558/src/build/flink/rpm/BUILD/flink-1.15.2/flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/HiveParserTypeCheckProcFactory.java:[1216,41]
> cannot find symbol
> symbol: class GenericUDFNvl
> location: class
> org.apache.flink.table.planner.delegation.hive.HiveParserTypeCheckProcFactory.DefaultExprProcessor
> [ERROR]
> /codebuild/output/src366217558/src/build/flink/rpm/BUILD/flink-1.15.2/flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/copy/HiveParserSemanticAnalyzer.java:[231,26]
> constructor GlobalLimitCtx in class
> org.apache.hadoop.hive.ql.parse.GlobalLimitCtx cannot be applied to given
> types;
> required: org.apache.hadoop.hive.conf.HiveConf
> found: no arguments
> reason: actual and formal argument lists differ in length
> [INFO] 3 errors
> {code}
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