Hi,
we are developing (yet another :) SQLite manager.
I'm wondering is there available sample feature-tight limit-striking
SQLite database (or SQL script) for GUI manager testing purposes?
Like:
- identifier names contains spaces, UNICODE chars, are surrounded by [], by
or not surrounded;
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On 28/06/13 01:12, Sqlite Dog wrote:
I'm wondering is there available sample feature-tight
limit-striking SQLite database (or SQL script) for GUI manager
testing purposes?
You can certainly measure coverage of sqlite3.c itself when running your
Here is your starter schema (and perfectly valid):
create table ( );
Thanks for this snippet! Actually found a bug :)
For performance testing this could be helpful with the --dump-sql arg:
https://code.google.com/p/apsw/source/browse/tools/speedtest.py
Well, performance is not an
On Wed, 26 Jun 2013 14:23:50 -1000
Elan Feingold e...@plexapp.com wrote:
The crux of the query which makes it pathologically slow in 3.7.15+ appears
to be this bit: join metadata_item_settings on
metadata_item_settings.guid=grandchild.guid and
metadata_item_settings.account_id=1.
Richard Hipp drh@... writes:
Amalgamations for the latest SQLite containing the NGQP are available from
the http://www.sqlite.org/draft/download.html page. This should be a
drop-in replacement for the amalgamation you are currently using. There
are no new APIs or compiler flags to fuss
On Fri, Jun 28, 2013 at 6:50 AM, Wolfgang Enzinger sql...@enzinger.netwrote:
Richard Hipp drh@... writes:
Amalgamations for the latest SQLite containing the NGQP are available
from
the http://www.sqlite.org/draft/download.html page. This should be a
drop-in replacement for the
Op 26 jun 2013, om 16:08 heeft Richard Hipp het volgende geschreven:
The next-generation query planner (NGQP) is a rewrite of the query
planner
for SQLite that is faster (reduced run-time for sqlite3_prepare()) and
generates better plans for queries (reducing the run-time for
On Fri, Jun 28, 2013 at 7:21 AM, E.Pasma pasm...@concepts.nl wrote:
I tested the draft version ...
Thanks for the test report!
Unfortunately I also found a bug. For some reason the optimizer may ignore
a where clause on an outerjoined table. The example below shows this, as
far as it
On Fri, Jun 28, 2013 at 6:32 AM, Eduardo emorr...@yahoo.es wrote:
On Wed, 26 Jun 2013 14:23:50 -1000
Elan Feingold e...@plexapp.com wrote:
The crux of the query which makes it pathologically slow in 3.7.15+
appears to be this bit: join metadata_item_settings on
Richard Hipp drh@... writes:
I try to compile with SQLITE_HAS_CODEC defined I get errors saying that
sqlite3_key_v2 and sqlite3_rekey_v2 functions are undefined. Are these new
APIs?
Yes. You need to use your login and password to download the latest SEE
source - the latest SEE
Hi,
I have been struggling with a problem and was hoping I could get some
insight.
I have a rather large database (11 GB) that has two tables (one with
approximately 500,000 rows and another with approximately 50,000,000 rows).
In this database I am performing a query that joins these two
I have written a wrapper for VASmalltalk and I had tested it (under
Windows 7/32bit - with the downloadable dll's) up to 3.7.11.
Today I used the 3.7.16/17 and foudn out, that all the stuff, where
callbacks to Smalltalk (from SQLite) are used (tracing, external
functions) did not work any
On Fri, Jun 28, 2013 at 8:45 AM, Wolfgang Enzinger sql...@enzinger.netwrote:
Richard Hipp drh@... writes:
Nevertheless, it is important that you test the NGQP in your application.
Getting back at the issue described in
http://article.gmane.org/gmane.comp.db.sqlite.general/81564
(which is
On Fri, Jun 28, 2013 at 9:06 AM, Marten Feldtmann itli...@schrievkrom.dewrote:
I have written a wrapper for VASmalltalk and I had tested it (under
Windows 7/32bit - with the downloadable dll's) up to 3.7.11.
Today I used the 3.7.16/17 and foudn out, that all the stuff, where
callbacks to
I had a similar problem and it was the antivirus (win 7 prof)... My table
has about 63 million
rows and a description very similar to yours... but now I use the same data
for FTS4, etc...
on Debian wheeze (simple workstation... and currently all ok...) example:
sqlite select count(*) from parte;
On Thu, Jun 27, 2013 at 6:50 PM, Elan Feingold e...@plexapp.com wrote:
Q2 runs excruciatingly slowly in 3.7.15.2 (1m 28sec). We then observed
that Q2 was fast in 3.7.14 (300ms), but slow in 3.7.15.2 and later
(tested
up until 3.7.17).
Have you tried it with the NGQP snapshot?
The
Are the old prebuild binary versions (dll windows) available from
somewhere ?
Marten
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Richard Hipp drh@... writes:
The combination of schema, sqlite_stat1, and query is normally sufficient,
yes.
Can you change (and shorten) the table and index and column names to
obscure their meaning and origin, and give us written permission to include
your case in the published test
On Fri, Jun 28, 2013 at 6:55 PM, Christopher W. Steenwyk
csteen...@gmail.com wrote:
I also did try version 3.7.13 and that did run faster. So for whatever
reason my shell 3.7.17 (32 or 64 bit) is significantly slower on windows
than my 3.7.13 32-bit.
Vaguely related to those observations:
Thanks for the input.
I did recompile in 64-bit mode with no difference.
I also did try version 3.7.13 and that did run faster. So for whatever
reason my shell 3.7.17 (32 or 64 bit) is significantly slower on windows
than my 3.7.13 32-bit.
On Fri, Jun 28, 2013 at 10:30 AM, og
On 28 Jun 2013, at 6:08pm, Stephan Beal sgb...@googlemail.com wrote:
On Fri, Jun 28, 2013 at 6:55 PM, Christopher W. Steenwyk
csteen...@gmail.com wrote:
I also did try version 3.7.13 and that did run faster. So for whatever
reason my shell 3.7.17 (32 or 64 bit) is significantly slower on
On Fri, Jun 28, 2013 at 7:18 PM, Simon Slavin slav...@bigfraud.org wrote:
Probably that your entire VM is in cache memory on your computer, but the
program running on your hardware gets to write to a physical disk drive.
That's certainly the most likely hypothesis i've heard so far. i hadn't
On 28 June 2013 18:08, Stephan Beal wrote:
i've seen sqlite3 tests of mine in a 32-bit VM running on
64-bit hardware run twice as fast as that same code on the
64-bit hardware (outside the VM)
One of our customers uses our product on a VM, and it appears
that the hypervisor lies about having
He said using the NGQP snapshot the query indeed runs fast. I think you
mentally inserted some negation in that statement, DRH.
On Fri, Jun 28, 2013 at 8:47 AM, Richard Hipp d...@sqlite.org wrote:
On Thu, Jun 27, 2013 at 6:50 PM, Elan Feingold e...@plexapp.com wrote:
Q2 runs excruciatingly
I've been impressed by sqliteexpert Personal Edition (for Windows)
I haven't found a great one for OSX yet.
--
View this message in context:
http://sqlite.1065341.n5.nabble.com/GUI-for-SQLite-tp11673p69729.html
Sent from the SQLite mailing list archive at Nabble.com.
Trying to import data into a table the operation stops on first error (actually
a rollback seems to be performed) because of column number mismatch.
Why does it not follow the .BAIL ON/OFF setting? And, why rows before the
error are removed?
So, in .BAIL OFF mode, I expected errors to
I think your assumption about the file system is correct - It is hard for the code to produce widely differing times under different
systems as the basic algorithms do not change between systems, only dependencies on file-system or VFS specific api's etc.
The NTFS file system in Windows (hoping
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On 28/06/13 13:17, RSmith wrote:
Best guess is some other system is trying to also look into that file,
making the Windows file manager stutter quite possibly the Win7
Preview pane, a 3rd party file indexer service, an anti-virus system or
some
That would explain why the best thing to be done with System Destroyer (System
Restore) is the same as the best way to handle the Hardware Destroyer (Power
Management) in Windows. Disable it completely.
-Original Message-
From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-
FWIW, with our test and prod implementations, we find between a 3 and 10x
(300-1000%) increase in almost all of our query times on Windows NTFS over OSX
and iOS systems, depending on the query type. We've done a bunch of testing
and can verify it every time.
I started a thread on this ~7
On Fri, 28 Jun 2013 15:22:57 -0600, Keith Medcalf wrote:
That would explain why the best thing to be done with System Destroyer
(System Restore) is the same as the best way to handle the Hardware
Destroyer (Power Management) in Windows. Disable it completely.
The best thing to do with
It's the kind of useful help like this that makes me love the FOSS movement.
-David
-Original Message-
From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-boun...@sqlite.org]
On Behalf Of Walter Hurry
Sent: Friday, June 28, 2013 5:09 PM
To: sqlite-users@sqlite.org
Subject: Re:
David de Regt wrote:
It's the kind of useful help like this that makes me love the FOSS movement.
All based in facts, of course. http://blog.zorinaq.com/?e=74
-David
-Original Message-
From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-boun...@sqlite.org]
On Behalf Of
On 29 Jun 2013, at 1:22am, Howard Chu h...@symas.com wrote:
David de Regt wrote:
It's the kind of useful help like this that makes me love the FOSS movement.
All based in facts, of course. http://blog.zorinaq.com/?e=74
Nevertheless, the remark was not helpful and is therefore best
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