Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-27 Thread PFC
Thread 1 : gets offset 0 limit 5000 Thread 2 : gets offset 5000 limit 5000 Thread 3 : gets offset 1 limit 5000 Would there be any other faster way than what It thought? Yeah, sure, use a thread which does the whole query (maybe using a cursor) and fills a queue with the results, then N

Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-17 Thread Jim C. Nasby
On Tue, May 16, 2006 at 07:20:12PM -0700, Craig A. James wrote: > >Why I want to use offset and limit is for me to create a threaded > >application so that they will not get the same results. > > In order to return rows 1 to 15000, it must select all rows from zero > to 15000 and then discard

Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-16 Thread Craig A. James
Christian Paul Cosinas wrote: I am creating an application that gets the value of a large table and write it to a file. Why I want to use offset and limit is for me to create a threaded application so that they will not get the same results. For example: Thread 1 : gets offset 0 limit 5000 Thr

Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-16 Thread Christian Paul Cosinas
: [PERFORM] Speed Up Offset and Limit Clause Why do you want to use it this way ? Explain what you want to do, there probably is another faster solution... On Thu, 11 May 2006 16:45:33 +0200, Christian Paul Cosinas <[EMAIL PROTECTED]> wrote: > Hi! > > How can I speed

Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-11 Thread Guillaume Cottenceau
"Christian Paul Cosinas" writes: > Hi! > > How can I speed up my server's performance when I use offset and limit > clause. > > For example I have a query: > SELECT * FROM table ORDER BY id, name OFFSET 10 LIMIT 1 > > This query takes a long time about more than 2 minutes. > > If my q

Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-11 Thread PFC
Why do you want to use it this way ? Explain what you want to do, there probably is another faster solution... On Thu, 11 May 2006 16:45:33 +0200, Christian Paul Cosinas <[EMAIL PROTECTED]> wrote: Hi! How can I speed up my server's performance when I use offset and limit c

Re: [PERFORM] Speed Up Offset and Limit Clause

2006-05-10 Thread Chris
Christian Paul Cosinas wrote: Hi! How can I speed up my server's performance when I use offset and limit clause. For example I have a query: SELECT * FROM table ORDER BY id, name OFFSET 10 LIMIT 1 This query takes a long time about more than 2 minutes. If my query is: SELECT * FROM ta