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Posted to derby-dev@db.apache.org by "Knut Anders Hatlen (JIRA)" <ji...@apache.org> on 2009/10/23 15:04:59 UTC
[jira] Closed: (DERBY-4414) NullPointerException with JOIN...USING
and invalid table name in select list
[ https://issues.apache.org/jira/browse/DERBY-4414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Knut Anders Hatlen closed DERBY-4414.
-------------------------------------
Resolution: Fixed
Fix Version/s: 10.6.0.0
Issue & fix info: [Repro attached] (was: [Repro attached, Patch Available])
Committed revision 829041.
> NullPointerException with JOIN...USING and invalid table name in select list
> ----------------------------------------------------------------------------
>
> Key: DERBY-4414
> URL: https://issues.apache.org/jira/browse/DERBY-4414
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.6.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Fix For: 10.6.0.0
>
> Attachments: derby-4414-1a.diff
>
>
> ij version 10.6
> ij> connect 'jdbc:derby:memory:db;create=true';
> ij> create table t(a int, b int, c int);
> 0 rows inserted/updated/deleted
> ij> select t.* from t t1 join t t2 using (a);
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
> at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
> at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:142)
> at org.apache.derby.impl.jdbc.Util.javaException(Util.java:299)
> at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:403)
> at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:346)
> at org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2204)
> at org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:81)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:614)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:555)
> at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:329)
> at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:521)
> at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:363)
> at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:261)
> 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)
> Caused by: java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
> at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
> at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
> at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
> ... 16 more
> Caused by: java.lang.NullPointerException
> at org.apache.derby.impl.sql.compile.JoinNode.getAllResultColumns(JoinNode.java:431)
> at org.apache.derby.impl.sql.compile.FromList.expandAll(FromList.java:474)
> at org.apache.derby.impl.sql.compile.ResultColumnList.expandAllsAndNameColumns(ResultColumnList.java:1598)
> at org.apache.derby.impl.sql.compile.ResultColumnList.bindExpressions(ResultColumnList.java:686)
> at org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:451)
> at org.apache.derby.impl.sql.compile.DMLStatementNode.bindExpressions(DMLStatementNode.java:227)
> at org.apache.derby.impl.sql.compile.DMLStatementNode.bind(DMLStatementNode.java:140)
> at org.apache.derby.impl.sql.compile.CursorNode.bindStatement(CursorNode.java:249)
> at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:319)
> at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:88)
> at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:824)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)
> ... 9 more
> The query is expected to fail (because the table name in t.* does not match any of the joined tables), but not with a NullPointerException. A similar query with ON instead of USING fails more gracefully:
> ij> select t.* from t t1 join t t2 on t1.a=t2.a;
> ERROR 42X10: 'T' is not an exposed table name in the scope in which it appears.
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