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Fix list for Informix Server and Informix Client SDK 15.0.1.18 Release

Release Notes


Abstract

Informix provides periodic fixes for release 15.0. The following list is the most recent report of defect fixes for customer-reported defects in 15.0.1.18 release. This report combines both Windows and UNIX-specific defect fixes, and is more current than the defect information included in the product release.

Content

Fix Pack 15.0.1.18
Fix release date: 30 Sep 2026
Download: IBM Fix Central

KI IDKnown Issue Abstract
DT499235An UPDATE bypasses the unique key constraint causing index corruption on duplicate values.
DT497870The MSGPATH log may be flooded with “CDR CDRDS: transaction aborted (All rows in a transaction defined with row scope were rejected) with sql error 0 isam error 0”.
DT472017Index corruption can be introduced during a BTSPLIT operation after moving from Compatibility Mode to Native Mode.
DT470156The optimizer prefers sequential scan over partial index path.

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Document Information

Modified date:
01 October 2026

UID

ibm17290019