NullPointerException when comparing indexed column with result from a set
operation
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Key: DERBY-4391
URL: https://issues.apache.org/jira/browse/DERBY-4391
Project: Derby
Issue Type: Bug
Components: SQL
Affects Versions: 10.5.3.0, 10.4.2.0, 10.3.3.0, 10.2.2.0, 10.6.0.0
Reporter: Knut Anders Hatlen
I'm reporting this issue on behalf of Bernt M. Johnsen.
If an indexed column is compared with a UNION query (or some other set
operation), a NullPointerException is raised, as can be seen by this sequence
of statements in ij:
ij> create table t(a int not null primary key, b int);
0 rows inserted/updated/deleted
ij> select * from t where a < (values 4 union values 4);
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
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