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

ID: 11717 Title: oracle_dataguard_stats: Issue warning about missing apply lag Component: Checks & agents Level: 1 Class: Bug fix Version: 2.0.0i2 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.