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  1. Derby
  2. 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):

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    Details

    • 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
    • Labels:
      None

      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'.

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              • Assignee:
                mamtas Mamta A. Satoor
                Reporter:
                kmarsden Katherine Marsden
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                • Created:
                  Updated:
                  Resolved: