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Posted to derby-dev@db.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2014/08/15 10:21:18 UTC
[jira] [Commented] (DERBY-6703) MERGE statement fails with
NullPointerException if ON clause references non-existent column
[ https://issues.apache.org/jira/browse/DERBY-6703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14098335#comment-14098335 ]
ASF subversion and git services commented on DERBY-6703:
--------------------------------------------------------
Commit 1618114 from [~knutanders] in branch 'code/trunk'
[ https://svn.apache.org/r1618114 ]
DERBY-6703: MERGE statement fails with NullPointerException if ON clause references non-existent column
> MERGE statement fails with NullPointerException if ON clause references non-existent column
> -------------------------------------------------------------------------------------------
>
> Key: DERBY-6703
> URL: https://issues.apache.org/jira/browse/DERBY-6703
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.11.1.1
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Attachments: d6703-1a.diff
>
>
> {noformat}
> ij> create table t1(x int);
> 0 rows inserted/updated/deleted
> ij> create table t2(y int);
> 0 rows inserted/updated/deleted
> ij> merge into t1 using t2 on z when matched then update set x=x+1;
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> {noformat}
> Stack trace with line numbers on trunk:
> {noformat}
> java.lang.NullPointerException
> at org.apache.derby.impl.sql.compile.MergeNode.addColumn(MergeNode.java:947)
> at org.apache.derby.impl.sql.compile.MergeNode.getColumnsFromList(MergeNode.java:930)
> at org.apache.derby.impl.sql.compile.MergeNode.getColumnsInExpression(MergeNode.java:314)
> at org.apache.derby.impl.sql.compile.MergeNode.buildSelectList(MergeNode.java:816)
> at org.apache.derby.impl.sql.compile.MergeNode.bindLeftJoin(MergeNode.java:579)
> at org.apache.derby.impl.sql.compile.MergeNode.bindStatement(MergeNode.java:396)
> at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:401)
> at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:99)
> at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:1114)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:683)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:631)
> at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:367)
> at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:529)
> at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:371)
> at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:247)
> at org.apache.derby.impl.tools.ij.Main.go(Main.java:229)
> at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:184)
> at org.apache.derby.impl.tools.ij.Main.main(Main.java:75)
> at org.apache.derby.tools.ij.main(ij.java:59)
> at org.apache.derby.iapi.tools.run.main(run.java:53)
> {noformat}
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