Werk #11717: oracle_dataguard_stats: Issue warning about missing apply lag

Component Checks & Agents
Title oracle_dataguard_stats: Issue warning about missing apply lag
Date Nov 20, 2020
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0b1 1.6.0p20
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

This change addresses the error "Apply lag has NULL value in v$dataguard_stats" that can occur when checking the DataGuard configuration status and that results in an empty "apply lag" field.

The checkmk will now yield a WARN state with description "No value for apply lag" when encoutering an empty "apply lag" field.

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