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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (DERBY-2015) NullPointerException in INSERT ... SELECT with self-joined table and IDENTITY column
Date Thu, 23 Nov 2006 17:37:03 GMT
     [ http://issues.apache.org/jira/browse/DERBY-2015?page=all ]

Bryan Pendleton resolved DERBY-2015.
------------------------------------

    Resolution: Duplicate

Marking as a duplicate of DERBY-1089

> NullPointerException in INSERT ... SELECT with self-joined table and IDENTITY column
> ------------------------------------------------------------------------------------
>
>                 Key: DERBY-2015
>                 URL: http://issues.apache.org/jira/browse/DERBY-2015
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.2.1.6
>         Environment: Java 1.5.0_06-b05 WinXP
>            Reporter: Christian d'Heureuse
>
> The following statements generate a NullPointerException:
> CREATE TABLE t1 (
>    f1 INTEGER);
> CREATE TABLE t2 (
>    f2 INTEGER GENERATED ALWAYS AS IDENTITY,
>    f3 INTEGER);
> INSERT INTO t2 (f3)
>    SELECT a.f1
>       FROM t1 a
>          INNER JOIN t1 b ON a.f1 = b.f1;
> Stack trace:
> ----------------------------------------------------------------
> 2006-10-28 21:29:17.937 GMT:
>  Booting Derby version The Apache Software Foundation - Apache Derby - 10.2.1.6 - (452058):
instance c013800d-010e-90d3-9ea6-00000012fd20
> on database directory C:\temp_sys\temp_Derby_TestErr_db
> Database Class Loader started - derby.database.classpath=''
> 2006-10-28 21:29:25.437 GMT Thread[main,5,main] (XID = 125), (SESSIONID = 0), (DATABASE
= c:\temp_sys\temp_Derby_TestErr_db), (DRDAID = null), Cleanup action starting
> 2006-10-28 21:29:25.437 GMT Thread[main,5,main] (XID = 125), (SESSIONID = 0), (DATABASE
= c:\temp_sys\temp_Derby_TestErr_db), (DRDAID = null), Failed Statement is: INSERT INTO t2
(f3)
>    SELECT a.f1
>       FROM t1 a
>          INNER JOIN t1 b ON a.f1 = b.f1
> java.lang.NullPointerException
>         at org.apache.derby.impl.sql.compile.ResultColumnList.remapColumnReferencesToExpressions(Unknown
Source)
>         at org.apache.derby.impl.sql.compile.JoinNode.flatten(Unknown Source)
>         at org.apache.derby.impl.sql.compile.FromList.flattenFromTables(Unknown Source)
>         at org.apache.derby.impl.sql.compile.SelectNode.preprocess(Unknown Source)
>         at org.apache.derby.impl.sql.compile.SingleChildResultSetNode.preprocess(Unknown
Source)
>         at org.apache.derby.impl.sql.compile.DMLStatementNode.optimize(Unknown Source)
>         at org.apache.derby.impl.sql.compile.DMLModStatementNode.optimize(Unknown Source)
>         at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
>         at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
>         at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
>         at org.apache.derby.impl.tools.ij.ij.executeImmediate(Unknown Source)
>         at org.apache.derby.impl.tools.ij.utilMain.doCatch(Unknown Source)
>         at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
>         at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
>         at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
>         at org.apache.derby.impl.tools.ij.Main14.main(Unknown Source)
>         at org.apache.derby.tools.ij.main(Unknown Source)
> Cleanup action completed
> ----------------------------------------------------------------
> As with DERBY-1574, any subsequent SQL statements produce an internal error in the RawStore
module.

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