Re: [sqlite] database is locked

2018-10-20 Thread Simon Slavin
On 20 Oct 2018, at 1:19pm, p...@geniais.com wrote: > I'm using exec() to simply get true/false result (just reading) and I'm > receiving this error, even in WAL mode: > SQLite3::exec(): database is locked in ... on line 47 > > Any help will be apreciated I'm assuming that you are aware that som

Re: [sqlite] Database is locked

2018-03-02 Thread Frank Millman
On 2/28/18 3:18 PM, Frank Millman wrote: > > On 2/28/18 2:53 PM, Richard Damon wrote: > > > > > On 2/28/18 6:59 AM, Frank Millman wrote: > > > Hi all > > > > > > I am using Python 3.6.0 and sqlite3 3.20.1. I am getting the message > > > ‘database is locked’ which, from reading the docs, I thin

Re: [sqlite] Database is locked

2018-02-28 Thread Frank Millman
On 2/28/18 2:53 PM, Richard Damon wrote: > > On 2/28/18 6:59 AM, Frank Millman wrote: > > Hi all > > > > I am using Python 3.6.0 and sqlite3 3.20.1. I am getting the message > > ‘database is locked’ which, from reading the docs, I think is coming from > > an SQL_BUSY error. > > > > It does not

Re: [sqlite] Database is locked

2018-02-28 Thread Richard Damon
On 2/28/18 6:59 AM, Frank Millman wrote: Hi all I am using Python 3.6.0 and sqlite3 3.20.1. I am getting the message ‘database is locked’ which, from reading the docs, I think is coming from an SQL_BUSY error. It does not behave in the way I expect. I tested using two concurrent connections

Re: [sqlite] Database is locked

2017-03-01 Thread Hick Gunter
esendet: Mittwoch, 01. März 2017 21:45 An: SQLite mailing list Betreff: Re: [sqlite] Database is locked On Wed, 1 Mar 2017, Stephen Chrzanowski wrote: > Where is the database being stored? What OS is the software running > under? If Windows, I'd suggest looking up SysInternals and &

Re: [sqlite] Database is locked

2017-03-01 Thread Simon Slavin
On 1 Mar 2017, at 9:17pm, Bob Friesenhahn wrote: > I am not sure of all of the conditions which might result in "Database is > locked". For example, if the results of a query are being iterated through > and the reader stops iterating part way through the result set, might this > cause "Data

Re: [sqlite] Database is locked

2017-03-01 Thread Bob Friesenhahn
On Wed, 1 Mar 2017, Simon Slavin wrote: On 1 Mar 2017, at 7:27pm, Bob Friesenhahn wrote: What is the recommended approach to diagnosing "Database is locked" errors and determining the guilty party? Are you checking the result codes returned by all SQLite commands you give to make sure th

Re: [sqlite] Database is locked

2017-03-01 Thread Simon Slavin
On 1 Mar 2017, at 7:27pm, Bob Friesenhahn wrote: > What is the recommended approach to diagnosing "Database is locked" errors > and determining the guilty party? Are you checking the result codes returned by all SQLite commands you give to make sure they are SQLITE_OK ? I’m not talking about

Re: [sqlite] Database is locked

2017-03-01 Thread Bob Friesenhahn
On Wed, 1 Mar 2017, Stephen Chrzanowski wrote: Where is the database being stored? What OS is the software running under? If Windows, I'd suggest looking up SysInternals and downloading the package to see what has its grubby hands on the database. If Linux, as root, run an LSOF (Lower case) a

Re: [sqlite] Database is locked

2017-03-01 Thread Stephen Chrzanowski
Where is the database being stored? What OS is the software running under? If Windows, I'd suggest looking up SysInternals and downloading the package to see what has its grubby hands on the database. If Linux, as root, run an LSOF (Lower case) and grep for the database or process accessing the

Re: [sqlite] Database is locked

2016-11-09 Thread Richard Hipp
You may not DETACH while a query is running. This is to prevent the DETACH from closing a database connection out from under the running query. On 11/9/16, Jean-Baptiste Gardette wrote: > On Window 7 with tcl/tk 8.6.6 and SQLite 3.13.0 > > The following tcl script craches : > > pack

Re: [sqlite] Database is locked

2016-07-10 Thread Igor Korot
Dan, On Sun, Jul 10, 2016 at 11:57 AM, Dan Kennedy wrote: > On 07/10/2016 06:21 AM, Igor Korot wrote: >> >> Simon, >> >> On Sat, Jul 9, 2016 at 7:09 PM, Simon Slavin wrote: >>> >>> On 10 Jul 2016, at 12:06am, Igor Korot wrote: >>> I'm trying to write some software in C{++}. Everything work

Re: [sqlite] Database is locked

2016-07-10 Thread Dan Kennedy
On 07/10/2016 06:21 AM, Igor Korot wrote: Simon, On Sat, Jul 9, 2016 at 7:09 PM, Simon Slavin wrote: On 10 Jul 2016, at 12:06am, Igor Korot wrote: I'm trying to write some software in C{++}. Everything works fine except when I exit the program exit I get the error "Database is locked". I am

Re: [sqlite] Database is locked

2016-07-09 Thread Igor Korot
Simon, On Sat, Jul 9, 2016 at 7:09 PM, Simon Slavin wrote: > > On 10 Jul 2016, at 12:06am, Igor Korot wrote: > >> I'm trying to write some software in C{++}. Everything works fine except >> when I exit the program exit I get the error "Database is locked". >> I am only trying to retrieve the inf

Re: [sqlite] Database is locked

2016-07-09 Thread Simon Slavin
On 10 Jul 2016, at 12:06am, Igor Korot wrote: > I'm trying to write some software in C{++}. Everything works fine except > when I exit the program exit I get the error "Database is locked". > I am only trying to retrieve the information about the database (queries on > sqlite_master). What comm

Re: [sqlite] database is locked

2015-01-16 Thread Roman Fleysher
EXCLUSIVE\n" ,g_mode[v_mode] ,v_file, (v_ret = v_shared .l_pid)); if (v_ret == -1) printf("%s File:%s, \n",g_mode[v_mode] ,v_file); -Ursprüngliche Nachricht- Von: Roman Fleysher [mailto:roman.fleys...@einstein.yu.edu] Gesendet: M

Re: [sqlite] database is locked

2015-01-14 Thread Hick Gunter
,v_file, (v_ret = v_shared .l_pid)); if (v_ret == -1) printf("%s File:%s, \n",g_mode[v_mode] ,v_file); -Ursprüngliche Nachricht- Von: Roman Fleysher [mailto:roman.fleys...@einstein.yu.edu] Gesendet: Mittwoch, 14. Jänner 2015 18:

Re: [sqlite] database is locked

2015-01-14 Thread Roman Fleysher
ard Hipp [d...@sqlite.org] > Sent: Wednesday, January 14, 2015 1:26 PM > To: General Discussion of SQLite Database > Subject: Re: [sqlite] database is locked > > On 1/14/15, Roman Fleysher wrote: >> SQLite shell version 3.7.2 >> on Linux 2.6.18 >> NTFS > > On

Re: [sqlite] database is locked

2015-01-14 Thread Richard Hipp
ard Hipp [d...@sqlite.org] > Sent: Wednesday, January 14, 2015 1:26 PM > To: General Discussion of SQLite Database > Subject: Re: [sqlite] database is locked > > On 1/14/15, Roman Fleysher wrote: >> SQLite shell version 3.7.2 >> on Linux 2.6.18 >> NTFS > > On Linux, S

Re: [sqlite] database is locked

2015-01-14 Thread Roman Fleysher
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on behalf of Richard Hipp [d...@sqlite.org] Sent: Wednesday, January 14, 2015 1:26 PM To: General Discussion of SQLite Database Subject: Re: [sqlite] database is locked On 1/14/15, Roman Fleysher wrote

Re: [sqlite] database is locked

2015-01-14 Thread Richard Hipp
__ > From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on > behalf of Richard Hipp [d...@sqlite.org] > Sent: Wednesday, January 14, 2015 12:50 PM > To: General Discussion of SQLite Database > Subject: Re: [sqlite] database is locked > > On 1/14/15,

Re: [sqlite] database is locked

2015-01-14 Thread Simon Slavin
On 14 Jan 2015, at 5:30pm, Roman Fleysher wrote: > Is there a way to figure out what is happening? Clear the lock? We would need specifics of your system to answer this absolutely correctly. But you can try these things in turn until one of them works: Unmount the volume the database is on,

Re: [sqlite] database is locked

2015-01-14 Thread Roman Fleysher
Subject: Re: [sqlite] database is locked On 1/14/15, Roman Fleysher wrote: > Dear SQLiters, > > There has been a lot of discussion, I remember, on this subject by others. > Please forgive me for asking this for a millionth time. > > I somehow got my database in a locked state.

Re: [sqlite] database is locked

2015-01-14 Thread Richard Hipp
On 1/14/15, Roman Fleysher wrote: > Dear SQLiters, > > There has been a lot of discussion, I remember, on this subject by others. > Please forgive me for asking this for a millionth time. > > I somehow got my database in a locked state. I updated a table yesterday and > I am rather sure that no on

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-04 Thread Simon Slavin
On 4 Dec 2014, at 5:36pm, Jonathan Moules wrote: > Depending on the application, an end user likely won't see the error code, > but instead just the error message SQlite is not a program. It's an API, intended for use by a programmer. Those error codes should not be reported to the end use

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-04 Thread Jonathan Moules
cember 03, 2014 3:21 PM To: General Discussion of SQLite Database Subject: Re: [sqlite] "database is locked" for SQLITE_BUSY >From https://www.sqlite.org/rescode.html#busy In both cases there are specific extended codes that may further pinpoint the source just in case you do not know

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Simon Slavin
On 3 Dec 2014, at 3:20pm, Richard Hipp wrote: > https://www.sqlite.org/rescode.html#busy Thanks, Richard. I have somehow never seen that. I had no idea that the difference between _BUSY and _LOCKED was purely about whether the conflicting access was from the same connection. Simon.

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Keith Medcalf
al Discussion of SQLite Database >Subject: Re: [sqlite] "database is locked" for SQLITE_BUSY > >To me, a BUSY state would mean that everything up to actually reading or >writing the data out is valid, but, the response time coming back was >just >too long, so a timeo

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Richard Hipp
On Wed, Dec 3, 2014 at 10:18 AM, Simon Slavin wrote: > > On 3 Dec 2014, at 3:10pm, Hick Gunter wrote: > > > SQLITE_BUSY means that some connection is BUSY with a write transaction > and has locked the database file; presumably, it will be possible to write > to the database when the current writ

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Simon Slavin
On 3 Dec 2014, at 3:10pm, Hick Gunter wrote: > SQLITE_BUSY means that some connection is BUSY with a write transaction and > has locked the database file; presumably, it will be possible to write to the > database when the current writer has finished, just not now or within the > specified bu

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Hick Gunter
I think the error messages are distinct enough as is. SQLITE_BUSY means that some connection is BUSY with a write transaction and has locked the database file; presumably, it will be possible to write to the database when the current writer has finished, just not now or within the specified bus

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Stephen Chrzanowski
To me, a BUSY state would mean that everything up to actually reading or writing the data out is valid, but, the response time coming back was just too long, so a timeout hit which might mean that a retry later might be appropriate. To me, a timeout = busy, but, locked != busy. When something is

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Simon Slavin
On 3 Dec 2014, at 2:20pm, Stephen Chrzanowski wrote: > Although I think there is already an error result, one situation might be > when the DB is in a read only state. I just thought of the database /file/ being marked 'read-only'. But it turns out that there's a different SQLite result code

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread Stephen Chrzanowski
Although I think there is already an error result, one situation might be when the DB is in a read only state. On Wed, Dec 3, 2014 at 6:15 AM, RSmith wrote: > > On 2014/12/03 13:00, Jonathan Moules wrote: > >> Hi, >> Just a quick request/suggestion. >> >> Currently SQLITE_BUSY events return an e

Re: [sqlite] "database is locked" for SQLITE_BUSY

2014-12-03 Thread RSmith
On 2014/12/03 13:00, Jonathan Moules wrote: Hi, Just a quick request/suggestion. Currently SQLITE_BUSY events return an error of "Database is locked". Is it possible to change this to "Database is busy" or something similar? I ask because when someone then goes googling for "SQLite database lo

Re: [sqlite] Database is locked exceptions

2014-10-29 Thread Sohail Somani
On 2014-10-29, 12:13 PM, Mike McWhinney wrote: System.Windows.Forms.Control.ControlNativeWindow.OnThreadException(Exception e) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessag

Re: [sqlite] Database is locked exceptions

2014-10-29 Thread Simon Slavin
On 29 Oct 2014, at 4:13pm, Mike McWhinney wrote: > "URI=file:mydb.db; default timeout=10; Pooling=True; Max Pool Size=100;"; Can you please change your timeout to 1 (really, 1ms == 10 seconds) and see if this makes the problems go away ? It may not be necessary to leave the setting li

Re: [sqlite] Database is locked !

2014-08-27 Thread Fabrice MAUPIN
SQLite Database' Cc : 'Alex Trucy' Objet : Re: [sqlite] Database is locked ! For information, you will find the "SQLiteJdbc" class used. I verified (normally) after each statement there is a db.close(). Fabrice -Message d'origine- De : sqlite-

Re: [sqlite] Database is locked !

2014-08-27 Thread Fabrice MAUPIN
di 27 août 2014 15:19 À : General Discussion of SQLite Database Cc : Alex Trucy Objet : Re: [sqlite] Database is locked ! Sounds like you have statements laying around that weren't properly destroyed... you say executed correctly, but then also released correctly? On Wed, Aug 27, 2014 at 6:1

Re: [sqlite] Database is locked !

2014-08-27 Thread J Decker
Sounds like you have statements laying around that weren't properly destroyed... you say executed correctly, but then also released correctly? On Wed, Aug 27, 2014 at 6:14 AM, Fabrice MAUPIN wrote: > Hi all, > > > > I try to execute an "INSERT" query and I obtain this message : "Database is > l

Re: [sqlite] database is locked with create

2013-02-19 Thread Choi, David
- From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-boun...@sqlite.org] On Behalf Of Richard Hipp Sent: Tuesday, February 19, 2013 4:04 PM To: General Discussion of SQLite Database Subject: Re: [sqlite] database is locked with create On Tue, Feb 19, 2013 at 6:37 PM, Choi, David wrote: >

Re: [sqlite] database is locked with create

2013-02-19 Thread Richard Hipp
: -vfs > Use -help for a list of options. > > > Regards, > David J. Choi > > > -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto: > sqlite-users-boun...@sqlite.org] On Behalf Of Richard Hipp > Sent: Tuesday, February 19, 2013 1:44 PM > To: G

Re: [sqlite] database is locked with create

2013-02-19 Thread Choi, David
x1 sqlite3: Error: unknown option: -vfs Use -help for a list of options. Regards, David J. Choi -Original Message- From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-boun...@sqlite.org] On Behalf Of Richard Hipp Sent: Tuesday, February 19, 2013 1:44 PM To: General Discussion

Re: [sqlite] database is locked with create

2013-02-19 Thread Richard Hipp
On Tue, Feb 19, 2013 at 4:39 PM, Choi, David wrote: > Hi Richard, > > I think your guess is highly possible because the error comes from > sqliteErrorFromPosixError(). In that case, how can I fix the issue? > Try adding the -vfs unix-none command-line option: sqlite3 -vfs unix-none ex1 Th

Re: [sqlite] database is locked with create

2013-02-19 Thread Choi, David
Richard Hipp Sent: Tuesday, February 19, 2013 9:44 AM To: General Discussion of SQLite Database Subject: Re: [sqlite] database is locked with create On Tue, Feb 19, 2013 at 12:01 PM, Choi, David wrote: > Hi all, > > I am new to sqlite. I build sqlite with buildroot without any issue.

Re: [sqlite] database is locked with create

2013-02-19 Thread Choi, David
ehalf Of Simon Slavin Sent: Tuesday, February 19, 2013 9:14 AM To: General Discussion of SQLite Database Subject: Re: [sqlite] database is locked with create On 19 Feb 2013, at 5:01pm, "Choi, David" wrote: > I am new to sqlite. I build sqlite with buildroot without any issue. After &

Re: [sqlite] database is locked with create

2013-02-19 Thread Richard Hipp
On Tue, Feb 19, 2013 at 12:01 PM, Choi, David wrote: > Hi all, > > I am new to sqlite. I build sqlite with buildroot without any issue. After > loading sqlite on my embedded board, I always get one error > message:"database is locked". > > Here is my operation on my board: > > #sqlite3 ex1 > SQL

Re: [sqlite] database is locked with create

2013-02-19 Thread Simon Slavin
On 19 Feb 2013, at 5:01pm, "Choi, David" wrote: > I am new to sqlite. I build sqlite with buildroot without any issue. After > loading sqlite on my embedded board, I always get one error message:"database > is locked". > > Here is my operation on my board: > > #sqlite3 ex1 > SQLite version

Re: [sqlite] Database is Locked

2012-01-29 Thread Kees Nuyt
On Sun, 29 Jan 2012 17:11:35 +0200, Shahar Weinstein wrote: >hi, > >thanks for your intention. but it's a shared hosting. I do not have a >remote desktop access that allows me >to run any application I desire. and besides that there is no need to >monitor processes. Many of the sysinternal tools

Re: [sqlite] Database is Locked

2012-01-29 Thread Simon Slavin
On 29 Jan 2012, at 4:14pm, Shahar Weinstein wrote: > no, its an ordinary website. > the situation is simple. I'm trying to save into the database some data > taken from a web form with one simple, > update query. the database is being opened and then immidietly being closed. So you do execute sq

Re: [sqlite] Database is Locked

2012-01-29 Thread Shahar Weinstein
no, its an ordinary website. the situation is simple. I'm trying to save into the database some data taken from a web form with one simple, update query. the database is being opened and then immidietly being closed. as I mentioned before. the problem appears. and than stays for seconds,minutes or

Re: [sqlite] Database is Locked

2012-01-29 Thread Simon Slavin
On 29 Jan 2012, at 3:11pm, Shahar Weinstein wrote: > the sqlite database I'm using is failing to > serve one update from one process. > and this problem comes and goes, and when it comes, it stays for some time. Is this for a web-facing service ? In other words, someone looks up a page on a we

Re: [sqlite] Database is Locked

2012-01-29 Thread Shahar Weinstein
> From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] > on behalf of Shahar Weinstein [shahar...@gmail.com] > Sent: Sunday, January 29, 2012 9:03 AM > To: General Discussion of SQLite Database > Subject: EXT :Re: [sqlite] Database is Locked > > thanks for the

Re: [sqlite] Database is Locked

2012-01-29 Thread Black, Michael (IS)
...@sqlite.org [sqlite-users-boun...@sqlite.org] on behalf of Shahar Weinstein [shahar...@gmail.com] Sent: Sunday, January 29, 2012 9:03 AM To: General Discussion of SQLite Database Subject: EXT :Re: [sqlite] Database is Locked thanks for the reply. but, I'm using a shared hosting running Windows. s

Re: [sqlite] Database is Locked

2012-01-29 Thread Shahar Weinstein
e.org] > on behalf of Shahar Weinstein [shahar...@gmail.com] > Sent: Sunday, January 29, 2012 8:40 AM > To: General Discussion of SQLite Database > Subject: EXT :Re: [sqlite] Database is Locked > > thanks for the reply but its not a permission issue, since after few hours > the

Re: [sqlite] Database is Locked

2012-01-29 Thread Black, Michael (IS)
_ From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on behalf of Shahar Weinstein [shahar...@gmail.com] Sent: Sunday, January 29, 2012 8:40 AM To: General Discussion of SQLite Database Subject: EXT :Re: [sqlite] Database is Locked thanks for the reply but its not a permis

Re: [sqlite] Database is Locked

2012-01-29 Thread Shahar Weinstein
thanks for the reply but its not a permission issue, since after few hours the problem dissapears and there is no problem to save data into the database. the problem comes, stays for few hours and than disappears. it's very strange since on my development machine it does not happen. Shahar. 20

Re: [sqlite] Database is Locked

2012-01-29 Thread Stephen C
Is the hosting company running linux or windows? You say .net so that indicates to me windows, but I've been wrong before. (Wife lets me know frequently. {smirk}) This still "smells" like a permission issue to me. I acknowledge that you're able to read/write/modify the web files then upload

Re: [sqlite] Database is Locked

2012-01-29 Thread Shahar Weinstein
thanks for your reply. since my situation IS one process that tries to write to the database, I'm trying to use the forums help. if the situation was multiple processes as you described I would move to mysql or MSaccess database which is quite stable for web applications. I've programmed few web pr

Re: [sqlite] Database is Locked

2012-01-29 Thread Jan Hudec
On Sun, Jan 29, 2012 at 12:57:21 +0200, Shahar Weinstein wrote: > I don't think that the TMP folder is the right direction but I'll check it > anyway with the hosting company. No, *NOT* *HOSTING* *COMPANY*. Your code. I agree it's probably not the right direction though. > besides that, I do kno

Re: [sqlite] Database is Locked

2012-01-29 Thread Shahar Weinstein
I don't think that the TMP folder is the right direction but I'll check it anyway with the hosting company. besides that, I do know that there is only one process running that tries to write to the database what makes my situation a sad joke. sqlite supposed to be a strong database that knows how t

Re: [sqlite] Database is Locked

2012-01-28 Thread Simon Slavin
On 28 Jan 2012, at 11:47pm, Jan Hudec wrote: > On Sun, Jan 29, 2012 at 00:43:07 +0200, Shahar Weinstein wrote: >> I know there is no permissions problems since after some time when I try >> the same action, it succeeds. in the website, I manage to read/write/delete >> in different locations of th

Re: [sqlite] Database is Locked

2012-01-28 Thread Jan Hudec
On Sun, Jan 29, 2012 at 00:43:07 +0200, Shahar Weinstein wrote: > I know there is no permissions problems since after some time when I try > the same action, it succeeds. in the website, I manage to read/write/delete > in different locations of the code. Can it be that the database is really locke

Re: [sqlite] Database is Locked

2012-01-28 Thread Shahar Weinstein
hi, thanks for your reply. I know there is no permissions problems since after some time when I try the same action, it succeeds. in the website, I manage to read/write/delete in different locations of the code. and since the website is on a shared hosting I cannot modify the TMP definitions, whic

Re: [sqlite] Database is Locked

2012-01-28 Thread Jan Hudec
On Sat, Jan 28, 2012 at 23:36:36 +0200, Shahar Weinstein wrote: > I'm using System.Data.Sqlite the latest version that supports .NET 4 > in an ordinary .NET website. > when trying to issue a single update to the database I'm receiving the > error message saying that the database file is locked. > t

Re: [sqlite] "database is locked" on WAL with large number of reader connections

2012-01-25 Thread Dan Kennedy
On 01/26/2012 09:05 AM, Erik Fears wrote: I have a writer, but the thread is not writing during this test. This is built by me. This is single process, one connection per thread, 100 threads. The threads are being created/destroyed often, though, and each time one is created it creates a new D

Re: [sqlite] "database is locked" on WAL with large number of reader connections

2012-01-25 Thread Erik Fears
I have a writer, but the thread is not writing during this test. This is built by me. This is single process, one connection per thread, 100 threads. The threads are being created/destroyed often, though, and each time one is created it creates a new DB connection. I understand this isn't ideal

Re: [sqlite] "database is locked" on WAL with large number of reader connections

2012-01-25 Thread Richard Hipp
On Wed, Jan 25, 2012 at 8:01 PM, Erik Fears wrote: > I've got a WAL database with only readers right now. I'm opening and close > the database > at pretty rapid rate, and usually have about 100 connections open at a > time. I'm > using prepared statements for SELECTS and I'm pretty sure I'm final

Re: [sqlite] database is locked(5) too often - what am i doing wrong?

2010-07-11 Thread Simon Slavin
On 12 Jul 2010, at 5:37am, raf wrote: > Each page hit results in several database writes each of which is currently > in a separate transaction. Is combining these into a single transaction likely > to help or make matters worse? Or is this just an inappropriate use of sqlite? It will probably m

Re: [sqlite] Database is locked error

2010-02-22 Thread Pavel Ivanov
> Does that seem correct? Yes. > If so, my options are: > > 1)  rollback/commit one of the transactions > > 2)  use begin exclusive That's correct, but it's better to be 'begin immediate' than 'exclusive'. > I don't think the second one will work, since I need nested transactions > and the save

Re: [sqlite] Database is locked error

2010-02-22 Thread Trainor, Chris
Thanks for the response Pavel. The order that the events were getting logged wasn't accurate enough so I increased the timing precision for my logging. I didn't leave anything out, but some commands were logged slightly out of order. Thread1 is doing reads and writes for a while, with Thread2

Re: [sqlite] Database is locked error

2010-02-19 Thread Pavel Ivanov
Apparently the following happens: 13875           Thread2 SAVEPOINT Thread2                       success (shared lock acquired) 13875           Thread1 SAVEPOINT Thread1                       success (shared lock acquired) 13880           Thread2 INSERT INTO TableB              success (reserved

Re: [sqlite] Database is locked

2009-11-12 Thread Frank Chang
Hello, Yesterday, we recognized that we had two concurrent SQL Server threads reading and writing to the same sqlite database. Furthermore,the reader thread was not releasing it's lock. So, now we release the lock by commiting the transaction. As a result, we no longer get the SQLite databa

Re: [sqlite] database is locked

2009-11-11 Thread Frank Chang
Jay Kreibich, Thank for your reply about sqlite3_busy_timeout. We found that the sqlite 'database is locked' error message can be fixed by updating two different tables in the two SQL Server 2005 client processes. UPDATE mdMatchUp SET MatchKey = master.dbo.mdMUIncrementalBuildKey

Re: [sqlite] Database is locked

2009-11-10 Thread Jay A. Kreibich
On Tue, Nov 10, 2009 at 06:04:20PM -0500, Frank Chang scratched on the wall: > > We have an application which uses Microsoft SQL Server 2005 > Extended stored procedures in conjunction with Sqlite databases. > We have a C++ DLL which uses the following code to insert rows > into a SQLite da

Re: [sqlite] database is locked and is malformed

2009-05-13 Thread D. Richard Hipp
On May 13, 2009, at 4:09 AM, s.breith...@staubli.com wrote: > We use QNX 6.3 on a ppc with sqlite as database for our application. > As > there was a speed problem in older sqlite versions we used the PRAGMA > SYNCHRONOUS = OFF command before creating an INSERT and the PRAGMA > SYNCHRONOUS = ON

Re: [sqlite] database is locked

2008-10-10 Thread Shaun R.
it wont it was a quick example, that prep is suppose to be sqlite3_step ~Shaun ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users

Re: [sqlite] database is locked

2008-10-10 Thread Ken
you don't need to prepare when you use exec... The following is not a step.. Don't see how this even would compile... while(sqlite3_prep(plineInfo) == SQLITE_ROW) --- On Fri, 10/10/08, Shaun R. <[EMAIL PROTECTED]> wrote: > From: Shaun R. <[EMAIL PROTECTED]> > Subject: [sqlite] database is lock

Re: [sqlite] "Database is Locked"

2008-08-19 Thread D. Richard Hipp
On Aug 19, 2008, at 11:14 AM, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: > Are there > any problems with creating the database with 3.5.7 and then reading > it with 3.6.1? There are not suppose to be any difference. Nobody else has reported differences. D. Richard Hipp [EMAIL PROTECT

Re: [sqlite] "Database is Locked"

2008-08-19 Thread rob
this, &m_sqliteErrMsg); These are the two functions that are called. The open comes back successful, but when the exec is called it returns with a "database is locked" error. > ---Original Message--- > From: Robert Simpson <[EMAIL PROTECTED]> > Subject:

Re: [sqlite] "Database is Locked"

2008-08-19 Thread Robert Simpson
Show and tell time! Lets see some code :) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Tuesday, August 19, 2008 8:15 AM To: General Discussion of SQLite Database Subject: Re: [sqlite] "Database is Locked" I haven

Re: [sqlite] "Database is Locked"

2008-08-19 Thread rob
I haven't changed anything. I recompiled with 3.5.7 and it worked fine. Are there any problems with creating the database with 3.5.7 and then reading it with 3.6.1? Thanks > ---Original Message--- > From: D. Richard Hipp <[EMAIL PROTECTED]> > Subject: Re: [

Re: [sqlite] "Database is Locked"

2008-08-19 Thread D. Richard Hipp
On Aug 19, 2008, at 10:33 AM, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: > I currently have a project that runs on a Windows XP machine. The > project was working with > SQLite 3.5.7, but I recently upgraded to 3.6.1 . Since the upgrade I > have been getting > an "Database is Locked" er

Re: [sqlite] "database is locked" on clean install, empty database?

2008-03-03 Thread Sean Rhea
On Mon, Mar 3, 2008 at 12:59 PM, Andreas Kupries <[EMAIL PROTECTED]> wrote: > Is the database file by chance in a NFS mounted directory ? That was it. Thanks! Sean -- "Humanity has advanced, when it has advanced, not because it has been sober, responsible, and cautious, but because it has been

Re: [sqlite] "database is locked" on clean install, empty database?

2008-03-03 Thread Dennis Cote
Sean Rhea wrote: > sqlite> create table foo (node_id, timestamp, tput); > SQL error: database is locked > > What am I doing wrong? > Sean, Ensure that you have write privileges for the database file and the directory it is in. SQLite needs to create a journal file in the same directory for yo

Re: [sqlite] "database is locked" on clean install, empty database?

2008-03-03 Thread Andreas Kupries
> > I must be missing something: > > $ sudo apt-get install sqlite3 > ... > Selecting previously deselected package sqlite3. > ... > Setting up sqlite3 (3.3.8-1.1) ... > $ ls -l test.db > ls: test.db: No such file or directory > $ sqlite3 test.db > SQLite version 3.3.8 > Enter ".help" for instruc

Re: [sqlite] "database is locked" SQLITE_BUSY when db is on network drive...

2007-08-03 Thread
low. And search the archives for "locked" in the subject. Tom From: T&B <[EMAIL PROTECTED]> Date: 11 May 2007 10:54:02 AM To: sqlite-users@sqlite.org Subject: Re: [sqlite] database is locked error Is there a timetable for including the fix for opening SQLite files on

Re: [sqlite] "database is locked" SQLITE_BUSY when db is on network drive...

2007-08-02 Thread Mitchell Vincent
Can you do any other write queries (INSERT or UPDATE for example)? On 8/2/07, Chase <[EMAIL PROTECTED]> wrote: > > running sqlite 3.4.1 on mac os x 10.4 > > i've set up a file share on another mac running 10.4 and placed a small > db file on the share and chmod'ed it to 777 (full access). > > i go

Re: [sqlite] database is locked error

2007-05-10 Thread
lite.org Subject: Re: [sqlite] database is locked error Following up an old thread: The SQLite sources include an (Apple-supplied) patch to work around the problem. Recompile with -DSQLITE_ENABLE_LOCKING_STYLE=1 We are working toward turning on this patch by default, but we are not quite the

Re: [sqlite] database is locked error

2007-04-28 Thread
Following up an old thread: The SQLite sources include an (Apple-supplied) patch to work around the problem. Recompile with -DSQLITE_ENABLE_LOCKING_STYLE=1 We are working toward turning on this patch by default, but we are not quite there yet. I compiled and ran SQLite 3.3.17 and got

Re: [sqlite] database is locked error with 3.3.13

2007-03-15 Thread Kuznetsov, Mike
I'm experiencing the same problem on QNX compiled for Renesas SH4... > This is not a bug in SQLite - it is a bug in Apple's implementation >(or more precisely their lack of implementation) of POSIX advisory > locks for AppleShare mounted volumes. The SQLite sources include > an (Apple-supplied) p

Re: [sqlite] database is locked error on Mac OS X

2007-03-14 Thread
Hi Richard and Puneet, I just wanted to say thanks, and to record your combined advice that worked. Much of this may be superfluous or painfully obvious, but it worked: 1. In the sqlite-3.3.13 downloaded source directory, execute: ./configure 2. That creates a new file "MakeFile". Edit th

Re: [sqlite] database is locked error with 3.3.13

2007-03-08 Thread drh
T&B <[EMAIL PROTECTED]> wrote: > > I recently installed SQLite 3.3.13, after having used previous > versions. I now get an error: > > Error: database is locked > > when I use the sqlite3 command line tool to access a database on a > shared volume. > > But opening the same file with an earli

Re: [sqlite] database is locked error with 3.3.13

2007-03-08 Thread Ken
I have the following sources which one would you like? sqlite-2.8.16.tag.gz sqlite-3.3.8.tar.gz sqlite-3.2.2.tar.gz sqlite-3.3.9.tar.gz sqlite-3.2.8.tar.gz sqlite-3.3.10.tar.gz sqlite-3.3.12.tar.gz sqlite-3.3.13.tar.gz sqlite-3.3.5.tar.gz sqlite-3.3.7.tar.gz Ken T&B <[EMAIL

Re: [sqlite] database is locked error with 3.3.13

2007-03-08 Thread BardzoTajneKonto
> Where can I get 3.3.9 and earlier source code? http://www.sqlite.org/sqlite-source-3_3_0.zip ... http://www.sqlite.org/sqlite-source-3_3_9.zip But it would be nice to have direct link on the website, or even better to have tags for all releases in CVS. ---

Re: [sqlite] database is locked error with 3.3.13

2007-03-07 Thread
Hi all, Following up: I recently installed SQLite 3.3.13, after having used previous versions. I now get an error: Error: database is locked when I use the sqlite3 command line tool to access a database on a shared volume. But opening the same file with an earlier version works fine. I

Re: [sqlite] database is locked (my solution)

2007-02-06 Thread Ken
Andrew, I wouldn't worry about it too much, at least your contributing. There are quite a few threads regarding locking, concurrency and multi threading. IMHO, everyone would benefit from your modification. I would especially like to be able to deal with Locking issues at the be

Re: [sqlite] database is locked (my solution)

2007-02-05 Thread Joe Wilson
--- Andrew Teirney <[EMAIL PROTECTED]> wrote: > If you are interested in the "BEGIN SHARED" transaction i posted a > simple patch to this mailing list within the last month if i recall > correctly. http://www.mail-archive.com/sqlite-users@sqlite.org/msg21260.html Do you find that using this BE

Re: [sqlite] database is locked (my solution)

2007-02-05 Thread Andrew Teirney
Andrew, Nice modification.. Did you buy any chance post this into the sqlite ticketing system? It would be nice if sqlite would let you acquire a shared lock via the BEGIN statement. No i didn't actually post this to the ticketing system, to be honest i am very new to all this open sou

Re: [sqlite] database is locked (my solution)

2007-02-05 Thread Ken
Andrew, Nice modification.. Did you buy any chance post this into the sqlite ticketing system? It would be nice if sqlite would let you acquire a shared lock via the BEGIN statement. Andrew Teirney <[EMAIL PROTECTED]> wrote: > I have multiple thread reading the database and a threa

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