allow to set log_statement_sample_limit - maximal duration for sampling

When Who What
2019-11-06 19:21:40 Tomas Vondra (fuzzycz) Closed in commitfest 2019-11 with status: Rejected
2019-09-30 18:55:07 Álvaro Herrera (alvherre) Closed in commitfest 2019-09 with status: Moved to next CF
2019-08-01 08:48:01 Adrien Nayrat (anayrat) New status: Needs review
2019-08-01 08:23:30 Adrien Nayrat (anayrat) Closed in commitfest 2019-07 with status: Moved to next CF
2019-07-12 11:06:13 Adrien Nayrat (anayrat) Posted review with messageid <156292957348.1365.8079060287740507529.pgcf@coridan.postgresql.org>
2019-07-12 10:58:43 Adrien Nayrat (anayrat) Posted review with messageid <156292912396.1365.3073279552263868317.pgcf@coridan.postgresql.org>
2019-07-12 10:58:43 Adrien Nayrat (anayrat) New status: Ready for Committer
2019-07-11 09:17:07 Adrien Nayrat (anayrat) Added anayrat as reviewer
2019-06-20 19:05:07 Pavel Stehule (okbobcz) Changed authors to Pavel Stehule (okbobcz)
2019-06-20 19:04:56 Pavel Stehule (okbobcz) Attached mail thread CAFj8pRDS8tQ3Wviw9=AvODyUciPSrGeMhJi_WPE+EB8+4gLL-Q@mail.gmail.com
2019-06-20 19:04:56 Pavel Stehule (okbobcz) Created patch record