Adrian Klaver-4 wrote > https://www.postgresql.org/docs/10/static/monitoring-stats.html#PG-STAT-USER-FUNCTIONS-VIEW > > "...But if you want to see new results with each query, be sure to do > the queries outside any transaction block. Alternatively, you can invoke > pg_stat_clear_snapshot(), which will discard the current transaction's > statistics snapshot (if any). The next use of statistical information > will cause a new snapshot to be fetched. > > A transaction can also see its own statistics (as yet untransmitted to > the collector) in the views pg_stat_xact_all_tables, > pg_stat_xact_sys_tables, pg_stat_xact_user_tables, and > pg_stat_xact_user_functions. These numbers do not act as stated above; > instead they update continuously throughout the transaction. > > " > Adrian Klaver > adrian.klaver@ Thank you for that, but does this strange behaviour should not be better documented? If somebody (like me, I have some time ago being unaware of this behaviour) wants to build a monitoring system that base on the view pg_stat_user_functions, should not be informed what to expect? -- Sent from: http://www.postgresql-archive.org/PostgreSQL-general-f1843780.html