Agreed. It's easy for me to say what I think should be done since I'm not
writing or maintaining the code.
On Mon, Aug 24, 2015, 5:53 PM David Bennett wrote:
> Fair enough. Bearing in mind that any new code path requires a new test
> case and coverage.
>
>
>
> Regards
>
> David M Bennett FACS
>
On Monday, 24 Aug 2015 2:46 AM -0400, Mark Lawrence wrote:
>> It's theoretically possible, but in that case I would be content to
>> force a difference in the title. It should be possible to have the
>> following:
>>
>> 'History of Scotland' | -> 'A. Jones'
>> 'History of Scotland' | -> 'T. Smit
I don't have any clues.
While most of our work happens on Linux, we do measure performance on
Windows from one release to the next (see for example item 23-b on the
most recent release check-list
https://www.sqlite.org/checklists/private/3081100/index#c23) and it
gets better from one release to th
On 8/24/15, Daniel Coles wrote:
> Hello,
>
> Our application is to use SQLite to store its data. It uses a
> multi-threaded server, though in most cases SQLite would be accessed by one
> thread at a time. The application runs on Microsoft Windows.
>
> Our initial SQLite implementation followed o
On Mon, 24 Aug 2015 16:43:40 + (UTC)
Mike McWhinney wrote:
> Hello,
> I am trying to troubleshoot a problem that I'm having with a program
> usingSQLite over a wireless network.? I know that wireless networks
> can havetheir own sets of issues that cause database access problems.
> What is ha
The cache size pragma dictates to (and affects) the connection, not the DB.
So yes.
On 2015-08-24 07:30 PM, jose i cabrera wrote:
>
> Greetings!
>
> When connecting to a DB, and setting a PRAGMA cache_size, will the
> attached DB also respond/behave the same way/size set by the original
> conn
On 2015-08-24 06:43 PM, Mike McWhinney wrote:
> Hello,
> I am trying to troubleshoot a problem that I'm having with a program
> usingSQLite over a wireless network. I know that wireless networks can
> havetheir own sets of issues that cause database access problems.
> What is happening is that
>
>I have some queries that may take 5-15 seconds to complete. Sometimes
>the situation changes shortly after starting the query where my
>program does not need those results anymore and the program wants to
>abort and begin a different query instead.
>
>My question is: What is the proper way t
On Mon, Aug 24, 2015 at 6:22 PM, Scott Doctor wrote:
> I have some queries that may take 5-15 seconds to complete. Sometimes the
> situation changes shortly after starting the query where my program does not
> need those results anymore and the program wants to abort and begin a
> different query
On 24 Aug 2015, at 5:43pm, Mike McWhinney wrote:
> What is happening is that something that takes 1 or 2 seconds on a
> wirednetwork will take 15-20 seconds over wireless.
I did two downloads of a big .zip file earlier today, one via WiFi, the other
via Ethernet. They came from the same se
We use straight SQLITE3 PHP Extension sot we don\ not have that much
customization level.
On Mon, Aug 24, 2015 at 5:44 PM, Eduardo Morras wrote:
> On Mon, 24 Aug 2015 16:03:24 +0200
> Luc Andre wrote:
>
> > Hi All,
> >
> > Our web servers use a daily updated sqlite database file.
> >
> > The fi
On Mon, 24 Aug 2015 16:03:24 +0200
Luc Andre wrote:
> Hi All,
>
> Our web servers use a daily updated sqlite database file.
>
> The file is opened by multiple (apache/PHP) threads but always in
> read only mode:
>
> $db = new SQLite3(DB_FILE, SQLITE3_OPEN_READONLY);
>
> The file itself has no
Hello,
Our application is to use SQLite to store its data. It uses a multi-threaded
server, though in most cases SQLite would be accessed by one thread at a time.
The application runs on Microsoft Windows.
Our initial SQLite implementation followed our interpretation of the guidelines
laid o
On 24 Aug 2015, at 3:45pm, Luc Andre wrote:
> I'm sure no process open the file using the SQLite API in write mode.
You are, but the software has to check for it, and occasionally two of your
threads do the same check at the same time.
I'm afraid that if you have already set a timeout I don't
On Mon, Aug 24, 2015 at 4:38 PM, Simon Slavin wrote:
>
> On 24 Aug 2015, at 3:03pm, Luc Andre wrote:
>
> > PHP Notice: SQLite3Stmt::execute(): Unable to execute statement: database
> > is locked
> > SQLite3::prepare(): Unable to prepare statement: 5, database is locked
> > SQLite3::querySingle()
Hello,
I am trying to troubleshoot a problem that I'm having with a program
usingSQLite over a wireless network.? I know that wireless networks can
havetheir own sets of issues that cause database access problems.
What is happening is that something that takes 1 or 2 seconds on a wirednetwork
wi
Hi All,
Our web servers use a daily updated sqlite database file.
The file is opened by multiple (apache/PHP) threads but always in read only
mode:
$db = new SQLite3(DB_FILE, SQLITE3_OPEN_READONLY);
The file itself has no write access.
-rw-r--r-- 1 root root 225759232 Aug 24 13:43 db.sqlite
B
On 24 Aug 2015, at 3:03pm, Luc Andre wrote:
> PHP Notice: SQLite3Stmt::execute(): Unable to execute statement: database
> is locked
> SQLite3::prepare(): Unable to prepare statement: 5, database is locked
> SQLite3::querySingle(): Unable to execute statement: database is locked
>
> We can not u
Hi All,
I finally got a chance to upgrade SQLite for our product from ancient 3.7.16.2.
Initial tests on Linux were very promising - ranging from 33% to even 300% (for
one degenerated case) speed improvement. So far so good. Problems begun when I
have tested it on Windows. Depending on test cas
thanks.
On 8/24/2015 1:34 PM, R.Smith wrote:
> The cache size pragma dictates to (and affects) the connection, not
> the DB.
>
> So yes.
>
>
> On 2015-08-24 07:30 PM, jose i cabrera wrote:
>>
>> Greetings!
>>
>> When connecting to a DB, and setting a PRAGMA cache_size, will the
>> attached DB
Greetings!
When connecting to a DB, and setting a PRAGMA cache_size, will the
attached DB also respond/behave the same way/size set by the original
connection?
Thanks.
jos?
On Sun, Aug 23, 2015 at 10:55 PM, Richard Hipp wrote:
> Regular SQL functions always return scalars in SQLite.
>
> See https://www.sqlite.org/src/artifact/b8fb7befd85b3a9b for an
> example of how to implement table-valued functions. This is a new
> feature so there is no documentation on it yet.
On Mon Aug 24, 2015 at 08:46:57AM +0200, Mark Lawrence wrote:
>
> You can achieve this using a partial index[1] on the Books.title
> column, which is used only when the author is null. A test script to
My apologies. It appears from the mailing list archive this was already
mentioned, but I didn't
I think we've beaten the philosophy to death and we're largely in agreement.
I'm not sure we actually came up with a firm recommendation as to what to do
about this specific warning in this particular line of code with this
compiler. Ostrich treatment maybe, and rely on the general Sqlite
disclaim
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 08/24/2015 03:08 AM, Jeff M wrote:
> I've checked all of your suggestions and nothing is amiss.
You ran valgrind and it said everything is fine? That would be shocking.
> I don't understand how the main thread can run before the
> background task
Sheesh, how did I miss that. Guess I need new glasses. Thats
exactly what I was looking for.
Scott Doctor
scott at scottdoctor.com
--
On 8/24/2015 9:39 AM, Jean-Christophe Deschamps wrote:
>
>>
>> I have some queries that may take 5-15 seconds to complete.
>> Someti
On Aug 24, 2015 6:29 AM, "David Bennett" wrote:
>
> I think we've beaten the philosophy to death and we're largely in
agreement.
>
> I'm not sure we actually came up with a firm recommendation as to what to
do
> about this specific warning in this particular line of code with this
> compiler. Ostr
I have some queries that may take 5-15 seconds to complete.
Sometimes the situation changes shortly after starting the query
where my program does not need those results anymore and the
program wants to abort and begin a different query instead.
My question is: What is the proper way to abort
> It's theoretically possible, but in that case I would be content to
> force a difference in the title. It should be possible to have the
> following:
>
> 'History of Scotland' | -> 'A. Jones'
> 'History of Scotland' | -> 'T. Smith'
> 'Manual of DOS' | NULL
>
> But, an attempt to insert a
Simon, Roger:
I've checked all of your suggestions and nothing is amiss.
The background thread fetches the image data and caches it by adding the data
to an NSMutableDictionary. The main thread checks the dictionary and does the
lazy-load only if the desired image data is not in the cache.
Wh
On 24 Aug 2015, at 2:48am, Simon Slavin wrote:
> My suspicion here is that there's a design fault in ZFS.
To correct myself here, what I meant to write was that there was a fault in the
implementation of ZFS that Paolo is using, not in the basic design of ZFS
itself.
Simon.
On 24 Aug 2015, at 2:32am, Roger Binns wrote:
> On 08/19/2015 05:56 PM, Paolo Bolzoni wrote:
>> I left running the pragma quick check during the night and finished
>> in 2 hours and 46 minutes, so it is about 8 times slower than in
>> ext4. Zfs is an advanced filesystem plenty of features, but t
On Sun, Aug 23, 2015 at 10:53 PM, Joe Mistachkin
wrote:
>
> The LINQ provider for System.Data.SQLite does not provide this function
> directly; however, it may be possible to use one of the core date-time
> related SQL functions to do it?
>
> https://www.sqlite.org/lang_datefunc.html
>
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