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Every query which need to group by and concat few columns is impossible with informix. For example for this SQL : select t.tabname, c.constrname
from sysconstraints c, systables t , outer syschecks k
where t.tabname = 'my...
over 2 years ago
Allow MAX_PDQPRIORITY to be configurable per user.
We want to Informix to be able to use PDQ but we would not want 3rd party logins to be able to use PDQ and impact processing. The existing onconfig parmeter should be a default is it is not defined for the user.
Evaluate using io_uring for I/O in Informix Linux Platform
Create some performance tests and evaluate an architecture change in Informix to migrate AIO or Kernel AIO to using kernel io_uring Maybe it's not possible to use io_uring in Informix and nowadays, performance increase from using IO_DIRECT KAIO to...
L0 and L1 backups of informix are taking almost same time since it seems that is limited by disk reading performance: we are using IBM spectrum backup to backup.
From IFX logs we see that they are using /usr/informix/server12/bin/onbar_d...
Allow DDL changes on a table with full row logging
We want to use CDC to replicate data changes to a different system. We do schema changes once a month, and this complicates things a lot. According to our vendor, this is a limitation for Informix only, other source systems can hande DDL changes t...
We need pure .NET Core driver. Currently we have to compile our programs with flags for 32 or 64 bit code which is against the idea of .NET Core portability. Also it leads to errors when we sent assemblies to incorrect environment.
Driver on Open...
Need an onmode option to terminate orphaned, tightly coupled global transactions. Onmode -Z does not address this case.
If a Java application that uses tightly coupled global transactions (such as from Geronimo / WebSphere app servers) abnormally terminates, it may leave the global transaction orphaned on the Informix database server. In this case, an onstat -G wil...
Certification of Informix ESQL/Cobol on RedHat Linux 7.2
ESQL/COBOL has not been updated for many years now, but the OS is getting updates regularly. Need ESQL/COBOL to be certified on RedHat Linux as our applications are migrating to this version on Linux soon. Appreciate if you can expedite the certif...
Enhance EXPLAIN in order to no longer need Informix server access
Currently Informix EXPLAIN generates a server side file. For developers that are working from remote machines, it becomes problematic to retrieve the explain files when they have restricted access to the Informix Server machine.
There are 2 undoc...
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