Re: Limit on updates made in a transaction
От | Darren Ferguson |
---|---|
Тема | Re: Limit on updates made in a transaction |
Дата | |
Msg-id | Pine.LNX.4.44.0207290840120.31284-100000@thread.crystalballinc.com обсуждение исходный текст |
Ответ на | Limit on updates made in a transaction (kent@cpttm.org.mo (Kent Tong)) |
Список | pgsql-general |
Use transactions If you have it stored in a transaction you can rollback the whole transaction on any error Begin; INSERT INTO foo VALUES ('bar'); INSERT INTO foo's VALUES ('bar'); <-- produce error Rollback; Now foo will not have the row bar in it HTH On 26 Jul 2002, Kent Tong wrote: > Hi, > > Is there is any limit on the number of updates made to a > postgreSQL database in a single transaction? If yes, how > can we get around this problem? For example, we need to > update a field of many existing rows in a table triggered > by the addition of a new row. If anything fails in the > update process, we'd like to undone everything (including > the addition of the new row). > > Thanks in advance for any info! > > ---------------------------(end of broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) > -- Darren Ferguson
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