[DERBY-2960] Group by substr() on collated database causes ERROR XJ001: Java exception: 'ASSERT FAILED col1.getClass() (class org.apache.derby.iapi.types.SQLVarchar) expected to be the same as col2.getClass() (class org.apache.derby.iapi.types.CollatorSQLVarchar):

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 10.4.1.3
• Fix Version/s: 10.3.1.4, 10.4.1.3
• Component/s: SQL
• Assignee: Mamta A. Satoor
• Reporter: Katherine Marsden
• Created: 19/Jul/07 18:57
• Updated: 20/Jul/07 16:58
• Resolved: 20/Jul/07 16:58

Description

ij> create table alltypes (i int, s smallint, l bigint, c char(10), v varchar(50), lvc long varchar,d double precision,
r real, dt date, t time, ts timestamp, b char(2) for bit data, bv varchar(8) for bit data, lbv long varchar for bit data
, dc decimal(5,2));
0 rows inserted/updated/deleted
ij> select substr(c||v, 1, 4), count from alltypes group by substr(c||v, 1, 4) ;
1 |2
----------------

0 rows selected
ij> insert into alltypes values (0, 100, 1000000, 'duplicate', 'this is duplicated', 'also duplicated',200.0e0, 200.0e0,
date('1992-01-01'), time('12:30:30'), timestamp('1992-01-01 12:30:30'), X'12af', x'0000111100001111', X'1234', 111.11)
;
1 row inserted/updated/deleted
ij> insert into alltypes values (0, 100, 1000000, 'duplicate', 'this is duplicated', 'also duplicated',200.0e0, 200.0e0,
date('1992-01-01'), time('12:30:30'), timestamp('1992-01-01 12:30:30'), X'12af', x'0000111100001111', X'1234', 111.11)
;
1 row inserted/updated/deleted
ij> select substr(c||v, 1, 4), count from alltypes group by substr(c||v, 1, 4) ;
ERROR XJ001: Java exception: 'ASSERT FAILED col1.getClass() (class org.apache.derby.iapi.types.SQLVarchar) expected to b
e the same as col2.getClass() (class org.apache.derby.iapi.types.CollatorSQLVarchar): org.apache.derby.shared.common.san
ity.AssertFailure'.

Issue Links

• is related to: DERBY-2656 Run suites.All against a collated database