[jira] Reopened: (DERBY-4419) NullPointerException with INSERT INTO ... from UNION and identity columns

["Lily Wei (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-4419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lily Wei reopened DERBY-4419:
-----------------------------


Reopen to 10.5 back port

> NullPointerException with INSERT INTO ... from UNION and identity columns
> -------------------------------------------------------------------------
>
>                 Key: DERBY-4419
>                 URL: https://issues.apache.org/jira/browse/DERBY-4419
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.1.4, 10.4.1.3, 10.5.1.1, 10.5.3.0, 10.6.1.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Bryan Pendleton
>             Fix For: 10.6.1.0
>
>         Attachments: addASimpleTest.diff, npe.sql, use4425CodePatch.diff
>
>
> The following sequence of statements works on 10.2.2.0 and earlier, and raises a NullPointerException with 10.3.1.4 and later:
> ij> create table t1(x int);
> 0 rows inserted/updated/deleted
> ij> insert into t1 values 1,2;
> 2 rows inserted/updated/deleted
> ij> create table t2(x int);
> 0 rows inserted/updated/deleted
> ij> insert into t2 values 2,3;
> 2 rows inserted/updated/deleted
> ij> create table t3(x int, y int generated always as identity);
> 0 rows inserted/updated/deleted
> ij> insert into t3(x) select * from t1 union select * from t2;
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.

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