Re: Cursor
| От | Joe |
|---|---|
| Тема | Re: Cursor |
| Дата | |
| Msg-id | 48A7224F.50604@freedomcircle.net обсуждение исходный текст |
| Ответ на | Cursor ("Xavier Bermeo" <xbermeo@gmail.com>) |
| Список | pgsql-sql |
Xavier Bermeo wrote: > Hi, guys....... > > I have problems with cursosrs. > > Anyone have an example complete the how load and read each position > of a cursor? > > I wait your answer........ > > Thanks.......guys Assuming you're using ECPG, there are a couple of examples in the documentation, e.g., http://www.postgresql.org/docs/8.3/static/ecpg-commands.html(see Select using cursors: http://www.postgresql.org/docs/8.3/static/ecpg-variables.html#AEN33442 The essence is you DECLARE the cursor, OPEN it and then FETCH rows in some kind of loop, and finish by CLOSE cursor. To exit the loop, you can check sqlca.sqlcode for 100 (NOT FOUND) or a SQLSTATE of 02000. Joe
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