Werk #5670: Handle history files from older EC versions, which have fewer columns.

Component

Event Console

Title

Handle history files from older EC versions, which have fewer columns.

Date

Feb 14, 2018

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

1.5.0i3	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.4.0p25	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

History files written by older versions of the EC might contain fewer columns than a newer EC handles. This fix fills these missing columns with their default values, avoiding log messages like

unknown precedence '' in table eventconsolehistory

in cmc.log later.

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