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https://issues.apache.org/jira/browse/HIVE-9430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14301391#comment-14301391
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Sergio Peña commented on HIVE-9430:
-----------------------------------
hi [~szehon]
This patch only handles the NPE.
However, a better message is thrown later in the code when a null value is
detected. This is already implemented and works well.
> NullPointerException on ALTER TABLE ADD PARTITION if no value given
> -------------------------------------------------------------------
>
> Key: HIVE-9430
> URL: https://issues.apache.org/jira/browse/HIVE-9430
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.13.0
> Reporter: Danny Lade
> Assignee: Sergio Peña
> Attachments: HIVE-9430.1.patch
>
>
> ALTER TABLE xxx ADD PARTITION (yyy) results in NullPointerException:
> {code:java}
> 2015-01-21 10:31:12,636 ERROR [main]: ql.Driver
> (SessionState.java:printError(545)) - FAILED: NullPointerException null
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.validatePartitionValues(DDLSemanticAnalyzer.java:2999)
> at
> org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeAlterTableAddParts(DDLSemanticAnalyzer.java:2680)
> at
> org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeInternal(DDLSemanticAnalyzer.java:393)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:327)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:422)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:322)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:975)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1040)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:911)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:901)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:268)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:220)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:423)
> at
> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:792)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:686)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:625)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> {code}
> Therefore there is currently no way to add a partition to an already existing
> table.:
> {code:SQL}
> alter table XXX add partition (YYY = 'VALUE');
> FAILED: SemanticException table is not partitioned but partition spec exists:
> {YYY=VALUE}
> {code}
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