exclude (auto)vac tasks accounting from xact_maxtime

lesovsky · Oct 1, 2016 · e97d792 · e97d792
1 parent 3217176
commit e97d792
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diff --git a/doc/Changelog b/doc/Changelog
@@ -1,5 +1,6 @@
 pgcenter (devel) unstable; urgency=low
 
+  * exclude (auto)vacuum tasks accounting in xact_maxtime field.
   * fix runglish, typos and cosmetic changes.
   * change long queries min age from 500ms to 0ms.
   * replace min() and max() functions with macros.

diff --git a/pgcenter.h b/pgcenter.h
@@ -328,7 +328,8 @@ struct colAttrs {
 #define PG_STAT_STATEMENTS_SYS_QUERY \
         "SELECT (sum(total_time) / sum(calls))::numeric(6,3) AS avg_query, sum(calls) AS total_calls FROM pg_stat_statements"
 #define PG_STAT_ACTIVITY_SYS_QUERY \
-        "SELECT coalesce(date_trunc('seconds', max(now() - xact_start)), '00:00:00') FROM pg_stat_activity"
+        "SELECT coalesce(date_trunc('seconds', max(now() - xact_start)), '00:00:00') FROM pg_stat_activity \
+            WHERE (query !~* '^autovacuum:' AND query !~* '^vacuum') AND pid <> pg_backend_pid()"
 
 /* context queries */
 #define PG_STAT_DATABASE_91_QUERY \