Re: Postgres config file: autocommit = off
| От | Bruce Momjian |
|---|---|
| Тема | Re: Postgres config file: autocommit = off |
| Дата | |
| Msg-id | 200306021914.h52JEXm20625@candle.pha.pa.us обсуждение исходный текст |
| Ответ на | Re: Postgres config file: autocommit = off (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-hackers |
Oh, yes, sorry, I was confusing psql -c and -f. -c is clearly different. --------------------------------------------------------------------------- Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > Tom Lane wrote: > >> Yeah, it's a bit warty, but psql -c is inherently different from a psql > >> script. IMHO it's not reasonable to make (shell) scripts using psql -c > > > How is it different, except for having no prompt? > > It's different because it's explicitly designed for convenient execution > of a single command. Thus, autocommit off would be useless and > counterproductive. Also, since the -c string is fed to PQexec as a > single query (again different from the psql stdin behavior), if you do > put multiple commands into -c then you get them executed as a single > transaction anyway. So you do not need or want .psqlrc modifying the > behavior in either case. > > One of the reasons for taking autocommit control out of the backend and > pushing it up to the client level is exactly to make it feasible to take > these sorts of application-level considerations into account when > choosing the behavior. > > regards, tom lane > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania19073
В списке pgsql-hackers по дате отправления: