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Informix - Problem description

Problem IT30021 Status: Closed

EXECUTE QUERY THAT CREATES AN AUTO FUNCTIONAL INDEX IN A TRANSACTION THAT
IT HAS NOT PREPARED WILL SEGV IN IS_MULTIROW_UDR

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
This problem was originally reported in 12.10.FC12W1 on linux
x86_64 and the repro I developed
dupes on the same platform running IDS 12.10.FC13.  It is
probably not linux specific.

The test case prepares a statement that when executed creates an
auto functional index.

The statement is executed and current transaction is committed.
Another transaction is
started and an execute of the prepared statement will assert the
server with a stack
comparable to:
0x000000000142e819 (oninit) afstack
0x0000000001432301 (oninit) mt_ex_throw_sig
0x000000000143b453 (oninit) afsig_handler
0x0000003ddfa0e4c0 (Linux) 
0x00000000005f0ad0 (oninit) is_multirow_udr
0x0000000001512ebe (oninit) fmamaddindex
0x000000000151a6e9 (oninit) fmaddindex
0x000000000080636f (oninit) filltemp_sqisaddindex
0x000000000080fc8c (oninit) tmptab_create_index
0x0000000000810d69 (oninit) filltemp
0x000000000081848f (oninit) scan_open
0x0000000000b7fe71 (oninit) join_open
0x0000000000b7fe53 (oninit) join_open
0x0000000000848131 (oninit) sort_open
0x000000000082524e (oninit) prepselect
0x00000000005fb681 (oninit) excommand
0x0000000000a4cc25 (oninit) sq_exselect
0x0000000000b0b641 (oninit) sqmain
0x000000000155d1ab (oninit) spawn_thread
0x0000000001420130 (oninit) th_init_initgls
Description
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC14 and 14.10.xC3.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Update to Informix Server 12.10.xC14 or 14.10.xC3.           *
****************************************************************
Local Fix:
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
16.08.2019
24.02.2020
24.02.2020
Problem solved at the following versions (IBM BugInfos)
12.10.xC14,
14.10.xC3
Problem solved according to the fixlist(s) of the following version(s)
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