Re: [sqlite] In memory database and locking.

2010-09-09 Thread Hemant Shah
--- On Thu, 9/9/10, Kees Nuyt wrote: > From: Kees Nuyt > Subject: Re: [sqlite] In memory database and locking. > To: sqlite-users@sqlite.org > Date: Thursday, September 9, 2010, 11:48 AM > On Wed, 8 Sep 2010 21:03:05 -0700 > (PDT), Hemant Shah > > wrote: > >

Re: [sqlite] In memory database and locking.

2010-09-09 Thread Hemant Shah
--- On Thu, 9/9/10, Black, Michael (IS) wrote: > From: Black, Michael (IS) > Subject: Re: [sqlite] In memory database and locking. > To: "General Discussion of SQLite Database" > Date: Thursday, September 9, 2010, 9:16 AM > I've never seen an application

Re: [sqlite] In memory database and locking.

2010-09-09 Thread Kees Nuyt
On Wed, 8 Sep 2010 21:03:05 -0700 (PDT), Hemant Shah wrote: > I forgot to mention, that I have set pragma journal_mode to off > and for every insert I do prepare -> step -> finalize -> COMMIT. That's a weird sequence. Because you use the same statement all the time, you only have to prepare() o

Re: [sqlite] In memory database and locking.

2010-09-09 Thread Black, Michael (IS)
is never going to keep up with a gigabit interface. -Original Message- From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-boun...@sqlite.org] On Behalf Of Hemant Shah Sent: Wednesday, September 08, 2010 10:55 PM To: sqlite-users@sqlite.org Subject: EXTERNAL:[sqlite] In memory database

Re: [sqlite] In memory database and locking.

2010-09-09 Thread Hemant Shah
--- On Thu, 9/9/10, Simon Slavin wrote: From: Simon Slavin Subject: Re: [sqlite] In memory database and locking. To: "General Discussion of SQLite Database" Date: Thursday, September 9, 2010, 8:24 AM On 9 Sep 2010, at 4:55am, Hemant Shah wrote: > The other process wakes up eve

Re: [sqlite] In memory database and locking.

2010-09-09 Thread Simon Slavin
On 9 Sep 2010, at 4:55am, Hemant Shah wrote: > The other process wakes up every 60 seconds and deletes all row whose > timestamp columns is less then (current timestamp - 60). The timestamp is > number of seconds since epoch. Do you do this using a single DELETE FROM command ? Do you have an

Re: [sqlite] In memory database and locking.

2010-09-08 Thread Drake Wilson
Quoth Hemant Shah , on 2010-09-08 20:55:29 -0700: > Both of these processes are sibling and have same database > handle. No, don't do that. http://www.sqlite.org/faq.html#q6 And :memory: databases are not shared between processes, AFAIK. Why are there two processes anyway? You could just use o

Re: [sqlite] In memory database and locking.

2010-09-08 Thread Hemant Shah
vacuum is a no-op for in memory database. Hemant Shah E-mail: hj...@yahoo.com --- On Wed, 9/8/10, Woody & Yuni Ho wrote: From: Woody & Yuni Ho Subject: Re: [sqlite] In memory database and locking. To: "General Discussion of SQLite Database" Date: Wednesday, September 8, 20

Re: [sqlite] In memory database and locking.

2010-09-08 Thread Woody & Yuni Ho
emory database and locking. I forgot to mention, that I have set pragma journal_mode to off and for every insert I doprepare -> step -> finalize -> COMMIT. Hemant Shah E-mail: hj...@yahoo.com --- On Wed, 9/8/10, Hemant Shah wrote: From: Hemant Shah Subject: [sqlite] In memory databa

Re: [sqlite] In memory database and locking.

2010-09-08 Thread Hemant Shah
I forgot to mention, that I have set pragma journal_mode to off and for every insert I doprepare -> step -> finalize -> COMMIT. Hemant Shah E-mail: hj...@yahoo.com --- On Wed, 9/8/10, Hemant Shah wrote: From: Hemant Shah Subject: [sqlite] In memory database and locking. To: sql

[sqlite] In memory database and locking.

2010-09-08 Thread Hemant Shah
Folks, I am trying to write an application that reads packets from the network and inserts it into sqlite database, I have a unique key which is combination of couple of columns. I want to find re-transmitted packets so I rely on the fact that if I violate unique key constraint then I have found