[jira] [Commented] (DERBY-6565) ROW_NUMBER function throws NullPointerException in UPDATE statement

[Knut Anders Hatlen (JIRA)]

    [ 
https://issues.apache.org/jira/browse/DERBY-6565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990563#comment-13990563
 ] 

Knut Anders Hatlen commented on DERBY-6565:
-------------------------------------------

Here's what the stack trace looks like on trunk:

{noformat}
java.lang.NullPointerException
        at 
org.apache.derby.impl.sql.execute.UpdateResultSet.collectAffectedRows(UpdateResultSet.java:587)
        at 
org.apache.derby.impl.sql.execute.UpdateResultSet.open(UpdateResultSet.java:260)
        at 
org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(GenericPreparedStatement.java:470)
        at 
org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:349)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1338)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:704)
        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:527)
        at 
org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:369)
        at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:245)
        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)
{noformat}

> ROW_NUMBER function throws NullPointerException in UPDATE statement
> -------------------------------------------------------------------
>
>                 Key: DERBY-6565
>                 URL: https://issues.apache.org/jira/browse/DERBY-6565
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.10.2.0
>            Reporter: Knut Anders Hatlen
>            Priority: Minor
>
> A NullPointerException is raised with this (possibly illegal?) UPDATE 
> statement:
> {noformat}
> ij version 10.10
> ij> connect 'jdbc:derby:memory:db;create=true';
> ij> create table t(x int);
> 0 rows inserted/updated/deleted
> ij> insert into t values 1;
> 1 row inserted/updated/deleted
> ij> update t set x = row_number() over ();
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> {noformat}



--
This message was sent by Atlassian JIRA
(v6.2#6252)