Andrew Dunstan 717f709532 Add stats for min, max, mean, stddev times to pg_stat_statements.
The new fields are min_time, max_time, mean_time and stddev_time.

Based on an original patch from Mitsumasa KONDO, modified by me. Reviewed by Petr Jelínek.
2015-03-27 15:43:22 -04:00
..
2014-06-10 21:36:13 -04:00