Re: conditional insert
| От | Sim Zacks |
|---|---|
| Тема | Re: conditional insert |
| Дата | |
| Msg-id | 4E64A444.5070604@compulab.co.il обсуждение исходный текст |
| Ответ на | conditional insert (Pau Marc Muñoz Torres <paumarc@gmail.com>) |
| Список | pgsql-general |
On 09/05/2011 12:38 PM, Pau Marc Muñoz Torres wrote: <blockquote cite="mid:CADFuJLjCF6fmxswgS033EFyofmbJFy+J0ToUvwTCDDLYj+nr3Q@mail.gmail.com"type="cite">Hi follk<br /><br /> i trying to performe a conditional insert into a table, indeed, what i'm trying to do is not insert a record into the tableif that record exist<br /><br /> googleling i found something like<br /><br /> insert into XX values (1,2,3) wherenot exist (select ....);<br /><br /> but i'm having and error near where...<br /><br /> anyone knows how do i can perfomethis insert?<br /><br /> thanks<br /><br /> p<br /></blockquote><p>You can either do an Insert(...) select... from...where...<p>oryou can add a rule to the table that checks if the key exists and if so, do an update or nothing instead.<br/>
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