Exclude unlogged tables from base backups
Exclude unlogged tables from base backup entirely except init fork which marks
created unlogged table. The next question is do not backup temp table but
it's a story for separate patch.
Author: David Steele
Review by: Adam Brightwell, Masahiko Sawada
Discussion: https://www.postgresql.org/message-id/flat/
04791bab-cb04-ba43-e9c0-
664a4c1ffb2c@pgmasters.net