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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4425) NullPointerException with INSERT INTO ... from UNION and columns generated from expressions
Date Mon, 26 Oct 2009 09:53:59 GMT
NullPointerException with INSERT INTO ... from UNION and columns generated from expressions
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                 Key: DERBY-4425
                 URL: https://issues.apache.org/jira/browse/DERBY-4425
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.5.3.0, 10.5.1.1, 10.6.0.0
            Reporter: Knut Anders Hatlen


This bug is similar to DERBY-4419, only that it uses columns that are auto-generated from
expressions and not identity columns. The proposed fix for DERBY-4419 only addresses the case
with an identity column.

ij> create table t1(x int);
0 rows inserted/updated/deleted
ij> create table t2(x int);
0 rows inserted/updated/deleted
ij> create table t3(x int, y generated always as (2*x));
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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