Add psql command to list constraints

When Who What
2022-03-28 18:59:44 Greg Stark (stark) Closed in commitfest 2022-03 with status: Rejected
2022-02-07 15:23:32 Julien Rouhaud (rjuju) New status: Waiting on Author
2022-02-04 11:25:38 Dag Lem (daglem) Added daglem as reviewer
2022-02-02 16:20:45 Julien Rouhaud (rjuju) Closed in commitfest 2022-01 with status: Moved to next CF
2021-12-21 01:42:58 Tatsuro Yamada (tatsuro_yamada) Changed reviewers to Justin Pryzby (justinpryzby)
2021-12-21 01:42:58 Tatsuro Yamada (tatsuro_yamada) Changed authors to Tatsuro Yamada (yamatattsu)
2021-12-21 01:42:58 Tatsuro Yamada (tatsuro_yamada) Changed targetversion to 15
2021-12-21 01:38:14 Tatsuro Yamada (tatsuro_yamada) Attached mail thread 5e63152b-6ba8-647b-284d-dbab502c24d0@nttcom.co.jp
2021-12-21 01:38:13 Tatsuro Yamada (tatsuro_yamada) Created patch record