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Informix - Problem description

Problem IT45391 Status: Closed

ASSERT FAILURE WHEN USING HASH INDEX AND SPL

product:
INFORMIX SERVER / 5725A3900 / E10 - 
Problem description:
Assert failure like:
14:31:36  Assert Failed: item_to_hashval called with improper
item
14:31:36  IBM Informix Dynamic Server Version 14.10.FC10
14:31:36   Who: Session(12906, informix@hostname, 2505911,
0x5c75af80)
                Thread(13915, sqlexec, 45998e70, 10)
                File: rsshash.c Line: 71
14:31:36  stack trace for pid 1501294 written to
/External/prods/14.10/FC10/tmp/af.3a437c97
14:31:36   See Also: /External/prods/14.10/FC10/tmp/af.3a437c97,
shmem.3a437c97.0
14:31:48  item_to_hashval called with improper item
14:31:48  Please run 'oncheck -cI
testcases:"informix".htl_rp_mod#htl_rp_mod_k_idx01'
14:31:48  Assert Failed: Code assertion at rsbtcs.c:349
14:31:48  IBM Informix Dynamic Server Version 14.10.FC10
14:31:48   Who: Session(12906, informix@hostname,
2505911, 0x5c75af80)
                Thread(13915, sqlexec, 45998e70, 10)
                File: rsdebug.c Line: 3604
14:31:48   Results: rowoff (0x4cab1023) + BT_RIDL_FLAG_SIZE (1)
+ sizeof(int4) (4) > cs->bc_slotptr (0x4cab1018) +
cs->bc_slotlen (12)
14:31:48   Action: Please notify IBM Informix Technical Support.
14:31:48  stack trace for pid 1501294 written to
/External/prods/14.10/FC10/tmp/af.3a437c97
14:31:48   See Also: /External/prods/14.10/FC10/tmp/af.3a437c97
14:31:56  Code assertion at rsbtcs.c:349
14:31:56  Please run 'oncheck -cI
testcases:"informix".htl_rp_mod#htl_rp_mod_k_idx01'
14:31:56  Assert Failed: Code assertion at rsbtcs.c:349

on a query like:
select distinct rp_key from htl_rp_mod base where base.htl_key =
    prop_key('LONCH') and not exists (   select * from
htl_rp_mas hrm   where
    hrm.htl_key = base.htl_key   and hrm.rp_key = base.rp_key )

and a hash index for table htl_rp_mas and SPL prop_key().

If the SPL prop_key is removed or if not using hash then  no AF
for query.
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC11.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC11.                       *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC11.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC11.                       *
****************************************************************
Comment
Fixed in Informix Server 14.10.xC11.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
31.01.2024
07.06.2024
07.06.2024
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)