Re: [sqlite] vers 3.0 concurrency issues

2004-05-07 Thread Puneet Kishor
Christian Smith wrote: On Thu, 6 May 2004, Puneet Kishor wrote: Things that SQLite sucks at (if you pardon the expression) compared to Access and FMPro -- ALTERing tables is a royal pain in the behind. I am constantly in need of ALTERing the tables and queries (views) as I am developing the appl

Re: [sqlite] vers 3.0 concurrency issues

2004-05-07 Thread Christian Smith
On Thu, 6 May 2004, Puneet Kishor wrote: > >Things that SQLite sucks at (if you pardon the expression) compared to >Access and FMPro -- ALTERing tables is a royal pain in the behind. I am >constantly in need of ALTERing the tables and queries (views) as I am >developing the application, and to do

Re: [sqlite] vers 3.0 concurrency issues

2004-05-07 Thread Andrew Piskorski
On Fri, May 07, 2004 at 09:22:59AM +0100, Paul Smith wrote: > Given that (IMHO) most concurrency problems seem to be centred around a > single application with multiple threads, might it not be possible for that > application to 'register' with SQLite in order to implement table locks. > Simila

Re: [sqlite] vers 3.0 concurrency issues

2004-05-07 Thread Paul Smith
At 17:22 06/05/2004, D. Richard Hipp wrote: Thomas, Basil wrote: > I am no technical expert but...could not page locking at least be implemented > by the pager module to increase concurrency(very naive...but better than file > locking). > Page-level locking will not help. For one thing, we cann

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Steve O'Hara
estion whether the developers at MS "...have a clue". I'm not saying it's the best or fastest but it must have something going for it... Steve -Original Message- From: Puneet Kishor [mailto:[EMAIL PROTECTED] Sent: 06 May 2004 18:59 To: [EMAIL PROTECTED] Cc: [EMAI

Re: [sqlite] unsolved RDBMS problems Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Andrew Piskorski
On Thu, May 06, 2004 at 03:20:13PM -0400, Andrew Piskorski wrote: > - User defined types, aka good "object" support (Date's "Third > Manifesto"). > > - Native bi-temporal support, or even just good support for one of > valid-time or transaction-time (Snodgrass). This one in particular I > would

[sqlite] unsolved RDBMS problems Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Andrew Piskorski
On Thu, May 06, 2004 at 01:21:28PM -0500, Puneet Kishor wrote: > Frankly, I am not sure if there is anything exciting left in relational > databases to discover or create... most has been created and > well-tested over the past 3 decades. What is left is making a tool No way, that is not true!

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Puneet Kishor
On May 6, 2004, at 2:06 PM, Andrew Piskorski wrote: On Thu, May 06, 2004 at 01:21:28PM -0500, Puneet Kishor wrote: they are as real a database as one wants them to be. Sure, they don't support ACID compliance, but I am not sure if they are created by Ugh, that particular argument is one I should

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Andrew Piskorski
On Thu, May 06, 2004 at 01:21:28PM -0500, Puneet Kishor wrote: > they are as real a database as one wants them to be. Sure, they don't > support ACID compliance, but I am not sure if they are created by Ugh, that particular argument is one I should not have started. My apologies to all, and le

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Puneet Kishor
In the spirit of discussion -- On May 6, 2004, at 1:08 PM, Andrew Piskorski wrote: On Thu, May 06, 2004 at 06:24:10PM +0100, Steve O'Hara wrote: However, I'm wondering why we're comparing SQLite with kernel based RDBMS like Oracle etc, and not with it's more closely related cousins such as Acc

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Andrew Piskorski
On Thu, May 06, 2004 at 06:24:10PM +0100, Steve O'Hara wrote: > However, I'm wondering why we're comparing SQLite with kernel based RDBMS > like Oracle etc, and not with it's more closely related cousins such as > Access ? In my case, because I am very familiar with Oracle, somewhat less so with

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Puneet Kishor
On May 6, 2004, at 12:24 PM, Steve O'Hara wrote: I've been watching the discussion about concurrency with interest. I find I'm impressed by everybody's arguments. I'd too would like to keep SQLite small and fast but equally, I'd like to have better concurrency. Even if this is just a safeguar

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Puneet Kishor
y more features have been requested...such as supporting more users!!! -Original Message- From: Andrew Piskorski [mailto:[EMAIL PROTECTED] Sent: Thursday, May 06, 2004 12:53 PM To: [EMAIL PROTECTED] Subject: Re: [sqlite] vers 3.0 concurrency issues On Thu, May 06, 2004 at 09:54:24AM -040

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread basil . thomas
requested...such as supporting more users!!! -Original Message- From: Andrew Piskorski [mailto:[EMAIL PROTECTED] Sent: Thursday, May 06, 2004 12:53 PM To: [EMAIL PROTECTED] Subject: Re: [sqlite] vers 3.0 concurrency issues On Thu, May 06, 2004 at 09:54:24AM -0400, D. Richard Hipp wrote

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Steve O'Hara
i [mailto:[EMAIL PROTECTED] Sent: 06 May 2004 17:53 To: [EMAIL PROTECTED] Subject: Re: [sqlite] vers 3.0 concurrency issues On Thu, May 06, 2004 at 09:54:24AM -0400, D. Richard Hipp wrote: > Concurrency is not nearly as much an issue in reality > as it is in many peoples imagination. Concur

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread basil . thomas
regards increased concurrency??? -Original Message- From: D. Richard Hipp [mailto:[EMAIL PROTECTED] Sent: Thursday, May 06, 2004 12:23 PM To: [EMAIL PROTECTED] Subject: Re: [sqlite] vers 3.0 concurrency issues Thomas, Basil wrote: > I am no technical expert but...could not page locking

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Andrew Piskorski
On Thu, May 06, 2004 at 09:54:24AM -0400, D. Richard Hipp wrote: > Concurrency is not nearly as much an issue in reality > as it is in many peoples imagination. Concurrency > probably is not an issue for a website. If concurrency > really is an issue, you need a client/server database. While tha

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Christian Smith
ith that. A suggested solution is documented here: http://www.sqlite.org/cvstrac/wiki?p=BlueSky Christian > > >-Original Message- >From: Christian Smith [mailto:[EMAIL PROTECTED] >Sent: Thursday, May 06, 2004 9:38 AM >To: Thomas, Basil >Cc: [EMAIL PROTECTED] >Subject: Re: [sql

Re: RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Gregory Mullins
I'm testing sqlite on a network (Windows 2003 Server) share and with 5 users. I've created a "server" program which is ran from the same directory as the shared database. The program that the 5 users have, will read only from the sqlite database in that directory. Whenever they want to add a

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread D. Richard Hipp
Thomas, Basil wrote: > I am no technical expert but...could not page locking at least be implemented > by the pager module to increase concurrency(very naive...but better than file > locking). > Page-level locking will not help. For one thing, we cannot do both page-level locking and reader/writer

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Chris Waters
> > [U]se the right tool for the job. If you require concurrent > > readers/writer(s), then you may be better off using a full blown > > client/server database, especially in a distributed > environment. SQLite is > > designed to be embedded, don't just use it because you can. > > > > Concurre

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread D. Richard Hipp
Christian Smith wrote: > > [U]se the right tool for the job. If you require concurrent > readers/writer(s), then you may be better off using a full blown > client/server database, especially in a distributed environment. SQLite is > designed to be embedded, don't just use it because you can. > Conc

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Thomas, Basil
not page locking at least be implemented by the pager module to increase concurrency(very naive...but better than file locking). -Original Message- From: Christian Smith [mailto:[EMAIL PROTECTED] Sent: Thursday, May 06, 2004 9:38 AM To: Thomas, Basil Cc: [EMAIL PROTECTED] Subject: R

RE: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Fred Williams
With the pending 3.0, I think we are at a juncture so to speak. We all like/use SQLite because it is very lightweight, fast, and above all simple. One of the major reasons this is so, is due to the very limited and focused functionality. Once SQLite becomes more "functional" all of these appealin

Re: [sqlite] vers 3.0 concurrency issues

2004-05-06 Thread Christian Smith
On Thu, 6 May 2004 [EMAIL PROTECTED] wrote: > >I would like to use SQLite on a web server or .net remoting and >multi-user/threads may become an issue >as locking is based at the finest granularity of file locking instead of >table/page/row locking. Will this issue be resolved from 3.x onwards so