Recompression may affect data entries in existing tables under rare conditions.

Details

Detail name Value
Changelog Number 20907
Type Bug
Status Resolved
Affected Versions Exasol 8.18.0, Exasol 8.18.1
Fix Versions Exasol 8.29.0, Exasol 8.28.4
Resolution Date 2024-06-25

Description
Under very rare conditions, table recompression might unintentionally modify certain columns by overwriting them with unintended data.

Workaround
There is no specific workaround.

Fix
Recompression no longer creates invalid data inside tables.
All customers that are running version 8.18.0 or later should immediately update to one of the fixed versions.