On 2022-Apr-28, Tomas Vondra wrote: > SELECT > (CASE WHEN (a < 0) OR (a > 0) THEN a ELSE NULL END) AS a, > (CASE WHEN (a > 0) THEN b ELSE NULL END) AS b, > (CASE WHEN (a < 0) THEN c ELSE NULL END) AS c > FROM uno WHERE (a < 0) OR (a > 0)
BTW, looking at the new COPY commands, the idea of "COPY table_foo (PUBLICATION pub1, pub2)" is looking more and more attractive, as a replacement for having the replica cons up an ad-hoc subquery to COPY from. Something to think about for pg16, maybe. -- Álvaro Herrera Breisgau, Deutschland — https://www.EnterpriseDB.com/ "You're _really_ hosed if the person doing the hiring doesn't understand relational systems: you end up with a whole raft of programmers, none of whom has had a Date with the clue stick." (Andrew Sullivan)