Knut Anders Hatlen created DERBY-6025:
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Summary: Wrong results with IN lists and indexes in territory
based collation
Key: DERBY-6025
URL: https://issues.apache.org/jira/browse/DERBY-6025
Project: Derby
Issue Type: Bug
Components: SQL
Affects Versions: 10.9.1.0
Reporter: Knut Anders Hatlen
The sequence below shows that a query returns 1 row when there is no index on
the table, and it returns 0 rows when an index is created. It should return 1
row regardless of the index's presence.
ij version 10.9
ij> connect
'jdbc:derby:memory:colldb;create=true;territory=no;collation=TERRITORY_BASED';
ij> create table t(x varchar(40));
0 rows inserted/updated/deleted
ij> insert into t values 'Stranda Idrottslag', 'Aalesunds Fotballklubb';
2 rows inserted/updated/deleted
ij> select * from t where x in ('Aalesunds Fotballklubb', cast('xyz' as
char(3)));
X
----------------------------------------
Aalesunds Fotballklubb
1 row selected
ij> create index i on t(x);
0 rows inserted/updated/deleted
ij> select * from t where x in ('Aalesunds Fotballklubb', cast('xyz' as
char(3)));
X
----------------------------------------
0 rows selected
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