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Informix - Problem description

Problem IT34973 Status: Closed

UPDATE WITH SUBQUERY 'SELECT...UNION' FAILS AS ERROR: 959/172

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
10:17:11  Assert Failed: No Exception Handler
10:17:11  IBM Informix Dynamic Server Version 12.10.FC14
10:17:11   Who: Session(47, yyyyy@xxxxxx, 23473, 0x44f3c988)
                Thread(235, sqlexec, 44ef6388, 1)
                File: mtex.c Line: 508
10:17:11   Results: Exception Caught. Type: MT_EX_OS, Context:
mem
10:17:11   Action: Please notify IBM Informix Technical Support.
10:17:11   See Also:
/opt/informix/IBM/12.10.FC14/manesh115_darkwood/af.4d3e696
10:17:16  Thread ID 235 will now be suspended.


0x0000000001410459 (oninit) afstack
0x0000000001413f41 (oninit) mt_ex_throw_sig
0x000000000141de13 (oninit) afsig_handler
0x00007f01c80b3b10 (Linux) 
0x00007f01c6f503a5 (/lib64/libc-2.22.so) __memset_avx2
0x00000000013a676b (oninit) rvalstring
0x00000000013be762 (oninit) rvalval
0x00000000006d8407 (oninit) eval_cast_internal
0x00000000006d6341 (oninit) udr_execute
0x00000000005ee1a8 (oninit) sqexcmp
0x0000000000879ab6 (oninit) chkrmk
0x000000000087ec89 (oninit) execute_union_leaf
0x000000000087fa12 (oninit) execute_union_node
0x000000000087fd8e (oninit) exusubq
0x00000000008800a5 (oninit) exsubq
0x000000000164e16f (oninit) ev_cb
0x000000000164d63e (oninit) new_eval
0x000000000089699e (oninit) eval_projection_list
0x0000000000897af1 (oninit) dodmlrow
0x00000000008996f0 (oninit) dodelupd
0x00000000005d4c33 (oninit) excommand
0x0000000000a27753 (oninit) sq_execute_workhorse
0x0000000000a27d6e (oninit) sq_execute
0x0000000000ae7b71 (oninit) sqmain
0x000000000154290b (oninit) spawn_thread
0x0000000001401c70 (oninit) th_init_initgls
0x0000000001448997 (oninit) startup


create table t1
    (
    col1 int,
    col3 set(int not null)
    );

create table t2
    (
    col1 int,
    col3 set(int not null)
    );

insert into t1 values(0, "set{9}");
insert into t1 values(1, "set{9}");
insert into t2 values(0, "set{8}");

update t1 a
set col1 = ( select  77  from t2 b  WHERE b.col3 = a.col3
                        union
                 select 77   from t2 b   WHERE b.col3 = a.col3
              );

   959: The current transaction has been rolled back due to an
internal error.
   172: ISAM error:  Unexpected internal error
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC6.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 (when available) or    *
* 14.10.xC6 (when available).                                  *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC6.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 (when available) or    *
* 14.10.xC6 (when available).                                  *
****************************************************************
Comment
Fixed in Informix Server 12.10.xC15 and 14.10.xC6.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
18.11.2020
12.05.2021
12.05.2021
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
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