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Informix - Problem description

Problem IT31499 Status: Closed

EXECUTING AN EXPRESSION WITH SUBQUERY IN AN UPDATE TRIGGER ON LBAC TABLE
CAUSES -768 MISSING LBACENFORCE

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
When an update statement is run on a LBAC table where on the
table is an update
trigger defined which is executing an expression with subqueries
in the way :


create trigger "informix".tu_auftrag_kopfdaten_tv update of
a_termin_von,
    a_termin_bis on "informix".ta_auftrag_kopfdaten referencing
    old as old new as new
    for each row
        when ((((new.a_ccb_activity_id IS NOT NULL ) AND ((NVL
    (new.a_termin_von ,CURRENT year to fraction(3) )!= NVL
(old.a_termin_von
    ,CURRENT year to fraction(3) )) OR (NVL (new.a_termin_bis
,CURRENT
    year to fraction(3) )!= NVL (old.a_termin_bis ,CURRENT year
to fraction(3)
    )) ) ) AND NOT EXISTS (select 1 from
"informix".ta_kauf_zu_person_sec
    x0 where ((x0.a_auftrag_id = new.a_auftrag_id ) AND
(x0.a_person_typ_kb
    = 'WSP' ) ) ) ) )
            (
....
);
,

the update returns

update ta_auftrag_kopfdaten
set a_termin_von = current
where a_auftrag_id = 203730275;
  768: Internal error in routine lbac_enforce_placement: missing
LBACEnforceRow
predicate.

with the stack :

0x000000000142e819 (oninit) afstack
0x00000000014317f1 (oninit) afhandler
0x0000000001431fd2 (oninit) affail_interface
0x0000000000e31677 (oninit) check_traperror
0x0000000000729081 (oninit) sqerr
0x00000000007294ee (oninit) sqerr1
0x00000000008f6c6e (oninit) addfilters
0x00000000007d9993 (oninit) bldnode
0x00000000007d9f6f (oninit) opbldtree
0x00000000007f51d5 (oninit) sqoptim
0x000000000096766e (oninit) optsubq
0x0000000000972b66 (oninit) oplooksubq
0x00000000009728f4 (oninit) oplooksubq
0x0000000000972909 (oninit) oplooksubq
0x00000000008c8bbb (oninit) dotrigs
0x00000000008c91e0 (oninit) ferafttrig
0x00000000008be5be (oninit) dodmlrow
0x00000000008bfea0 (oninit) dodelupd
0x00000000005fd5e3 (oninit) excommand
0x0000000000a4d06c (oninit) sq_execute
0x0000000000b0b641 (oninit) sqmain
0x000000000155d1ab (oninit) spawn_thread
0x0000000001420130 (oninit) th_init_initgls
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC14 and 14.10.xC4.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Update to Informix Server 12.10.xC14 or 14.10.xC4 (when      *
* available).                                                  *
****************************************************************
Local Fix:
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
14.01.2020
28.02.2020
28.02.2020
Problem solved at the following versions (IBM BugInfos)
12.10.xC14,
14.10.xC4
Problem solved according to the fixlist(s) of the following version(s)
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