On 2022-07-06 14:26:00 +0200, Matthias Apitz wrote: > DB layer must LOCK the row for update. It does so using the CTID. Of > course there is a key in the row (d01gsi, the signature of the book), > but this is not uniqu and can't be used to lock exactly this row for > update.
If it isn't unique it is *not* a key. If your tables don't have a
primary key you should seriously rethink the data model.
hp
--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | [email protected] | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"
signature.asc
Description: PGP signature
