NullPointerException with INSERT INTO ... from UNION and generated columns
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Key: DERBY-4419
URL: https://issues.apache.org/jira/browse/DERBY-4419
Project: Derby
Issue Type: Bug
Affects Versions: 10.5.3.0, 10.5.1.1, 10.4.1.3, 10.3.1.4, 10.6.0.0
Reporter: Knut Anders Hatlen
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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