avoid memory bloat in REASSIGN

When Who What
2021-12-01 18:49:03 Justin Pryzby (justinpryzby) Closed in commitfest 2022-01 with status: Committed
2021-12-01 18:49:03 Justin Pryzby (justinpryzby) Changed committer to tgl
2021-12-01 17:36:07 Justin Pryzby (justinpryzby) Changed authors to Tom Lane (tgl), Justin Pryzby (justinpryzby)
2021-12-01 17:36:07 Justin Pryzby (justinpryzby) Changed targetversion to stable
2021-12-01 17:34:37 Justin Pryzby (justinpryzby) Attached mail thread CAECtzeW2DAoioEGBRjR=CzHP6TdL=yosGku8qZxfX9hhtrBB0Q@mail.gmail.com
2021-12-01 17:34:37 Justin Pryzby (justinpryzby) Created patch record