Add missing function abs (interval)

When Who What
2021-12-03 07:41:18 Michael Paquier (michael-kun) Closed in commitfest 2021-11 with status: Returned with feedback
2021-10-03 16:07:13 Jaime Casanova (jcasanov) New status: Waiting on Author
2021-10-03 16:06:57 Jaime Casanova (jcasanov) Closed in commitfest 2021-09 with status: Moved to next CF
2021-10-03 16:06:53 Jaime Casanova (jcasanov) New status: Needs review
2021-09-26 17:42:59 Tom Lane (tgl) New status: Waiting on Author
2021-09-26 17:42:46 Tom Lane (tgl) Added tgl as reviewer
2021-08-03 02:32:08 Masahiko Sawada (masahikosawada) Closed in commitfest 2021-07 with status: Moved to next CF
2021-03-31 03:20:48 Isaac Morland (ijmorlan) Changed authors to Isaac Morland (ijmorlan)
2021-03-31 03:20:19 Isaac Morland (ijmorlan) Attached mail thread CAMsGm5cTHQLjfrRj00y6P05uegdn7qBSaXic7u_GMTViPS1A8Q@mail.gmail.com
2021-03-31 03:20:19 Isaac Morland (ijmorlan) Created patch record