diff options
Diffstat (limited to 'src/backend/postmaster/pgstat.c')
| -rw-r--r-- | src/backend/postmaster/pgstat.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c index 44237f952e2..d655fbcd835 100644 --- a/src/backend/postmaster/pgstat.c +++ b/src/backend/postmaster/pgstat.c @@ -1340,11 +1340,15 @@ pgstat_report_vacuum(Oid tableoid, bool shared, * pgstat_report_analyze() - * * Tell the collector about the table we just analyzed. + * + * Caller must provide new live- and dead-tuples estimates, as well as a + * flag indicating whether to reset the changes_since_analyze counter. * -------- */ void pgstat_report_analyze(Relation rel, - PgStat_Counter livetuples, PgStat_Counter deadtuples) + PgStat_Counter livetuples, PgStat_Counter deadtuples, + bool resetcounter) { PgStat_MsgAnalyze msg; @@ -1381,6 +1385,7 @@ pgstat_report_analyze(Relation rel, msg.m_databaseid = rel->rd_rel->relisshared ? InvalidOid : MyDatabaseId; msg.m_tableoid = RelationGetRelid(rel); msg.m_autovacuum = IsAutoVacuumWorkerProcess(); + msg.m_resetcounter = resetcounter; msg.m_analyzetime = GetCurrentTimestamp(); msg.m_live_tuples = livetuples; msg.m_dead_tuples = deadtuples; @@ -5263,10 +5268,12 @@ pgstat_recv_analyze(PgStat_MsgAnalyze *msg, int len) tabentry->n_dead_tuples = msg->m_dead_tuples; /* - * We reset changes_since_analyze to zero, forgetting any changes that - * occurred while the ANALYZE was in progress. + * If commanded, reset changes_since_analyze to zero. This forgets any + * changes that were committed while the ANALYZE was in progress, but we + * have no good way to estimate how many of those there were. */ - tabentry->changes_since_analyze = 0; + if (msg->m_resetcounter) + tabentry->changes_since_analyze = 0; if (msg->m_autovacuum) { |