Re: Using VIEW to simplify code...
От | Tom Lane |
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Тема | Re: Using VIEW to simplify code... |
Дата | |
Msg-id | 22625.1037735261@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Using VIEW to simplify code... (Chris Gamache <cgg007@yahoo.com>) |
Ответы |
Re: Using VIEW to simplify code...
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Список | pgsql-sql |
Chris Gamache <cgg007@yahoo.com> writes: > Right now I dynamicly generate the SQL for an incredibly ugly 4 table join > based on user information client-side. I got the bright idea to create a view > and then run a MUUUCH simpler client-side query on that view. The problem is > that PostgreSQL apparantly runs the view FIRST and then applies the criteria > AFTER assembling the whole view. Not necessarily; it starts with that (which after all is what you wrote) and tries to transform it into something more efficient. But it's not as smart as a person ;-). > If you MUST have the giant-and-hard-to-maintain-client-generated-sql > statement and its related explain, I'll produce it. If you want help, you must provide details. The PG version number is relevant also. regards, tom lane
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