[DERBY-6029] ClassCastException or assert when mixing system tables and user tables in LIKE ... ESCAPE

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 10.5.1.1, 10.5.2.0, 10.5.3.0, 10.6.1.0, 10.6.2.1, 10.7.1.1, 10.8.1.2, 10.8.2.2, 10.8.3.0, 10.9.1.0, 10.10.1.1
• Component/s: SQL
• Labels: derby_triage10_11
• Urgency: Normal
• Issue & fix info: Repro attached
• Assignee: Unassigned
• Reporter: Knut Anders Hatlen
• Created: 02/Jan/13 16:28
• Updated: 19/Jun/13 08:32

Description

ij> connect 'jdbc:derby:memory:db;create=true;territory=en_US;collation=TERRITORY_BASED';
ij> create table t(x varchar(20), y varchar(20));
0 rows inserted/updated/deleted
ij> insert into t values ('abc', 'def');
1 row inserted/updated/deleted
ij> select * from t, sysibm.sysdummy1 where x like y escape ibmreqd;
X |Y |IBM&
----------------------------------------------
ERROR 38000: The exception 'java.lang.ClassCastException: org.apache.derby.iapi.types.SQLChar cannot be cast to org.apache.derby.iapi.types.CollationElementsInterface' was thrown while evaluating an expression.
ERROR XJ001: Java exception: 'org.apache.derby.iapi.types.SQLChar cannot be cast to org.apache.derby.iapi.types.CollationElementsInterface: java.lang.ClassCastException'.

Or, when using sane jars:

ij> select * from t, sysibm.sysdummy1 where x like y escape ibmreqd;
X |Y |IBM&
----------------------------------------------
ERROR 38000: The exception 'org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED All three operands must be instances of CollationElementsInterface' was thrown while evaluating an expression.
ERROR XJ001: Java exception: 'ASSERT FAILED All three operands must be instances of CollationElementsInterface: org.apache.derby.shared.common.sanity.AssertFailure'.