Re: [sqlite] group_concat query performance

2014-10-17 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Kraijenbrink - FixHet - Systeembeheer > Sent: vrijdag 17 oktober 2014 12:01 > To: General Discussion of SQLite Database > Subject: Re: [sqlite] group_concat query

Re: [sqlite] group_concat query performance

2014-10-17 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Kraijenbrink - FixHet - Systeembeheer > Sent: vrijdag 17 oktober 2014 16:46 > To: General Discussion of SQLite Database > Subject: Re: [sqlite] group_concat query

[sqlite] Windows 8.x security requirements / SafeSEHCheck - NXCheck - DBCheck

2015-04-03 Thread Bert Huijben
> -Original Message- > From: sqlite-users-bounces at mailinglists.sqlite.org [mailto:sqlite-users- > bounces at mailinglists.sqlite.org] On Behalf Of Keith Medcalf > Sent: vrijdag 3 april 2015 01:51 > To: General Discussion of SQLite Database > Subject: Re: [sqlite] Windows 8.x security

[sqlite] Weird (slow) TEMP B-TREE ORDER BY

2015-03-14 Thread Bert Huijben
> -Original Message- > From: sqlite-users-bounces at mailinglists.sqlite.org [mailto:sqlite-users- > bounces at mailinglists.sqlite.org] On Behalf Of Dinu Marina > Sent: donderdag 12 maart 2015 11:34 > To: sqlite-users at mailinglists.sqlite.org > Subject: Re: [sqlite] Weird (slow) TEMP

[sqlite] Simple SELECT misbehaving in Sqlite 3.8.3 with ENABLE_STAT3

2014-02-10 Thread Bert Huijben
[Retrying with the user I subscribed with to avoid the moderation] Hi, As part of the Subversion 1.8.6 release we tried introducing some data in the 'sqlitstat_stat1' table using the recommended approach for Sqlite 3.8.0+ compatibility to tell sqlite about our 'bad indexes': [[ ANALYZE

[sqlite] Simple SELECT misbehaving in Sqlite 3.8.3 with ENABLE_STAT3

2014-02-10 Thread Bert Huijben
Hi, As part of the Subversion 1.8.6 release we tried introducing some data in the 'sqlitstat_stat1' table using the recommended approach for Sqlite 3.8.0+ compatibility to tell sqlite about our 'bad indexes': [[ ANALYZE sqlite_master; INSERT INTO "sqlite_stat1" VALUES INSERT INTO

[sqlite] Performance tuning: winDelete() tweak

2014-02-24 Thread Bert Huijben
Hi, Earlier today I tried to show how to use a profiler to somebody while running a checkout on a very recent Subversion build on Windows. This build contained Sqlite 3.8.3.1. We happened to see that one of the functions that caught about 15% of the profile samples was the function

Re: [sqlite] Load time performance

2014-05-28 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Stephen Chrzanowski > Sent: woensdag 28 mei 2014 17:33 > To: General Discussion of SQLite Database > Subject: Re: [sqlite] Load time performance > > Caching or not, I

[sqlite] Unexpected temporary B-TREE in 3.8.5-201405271818

2014-06-01 Thread Bert Huijben
Hi, I just tested Sqlite 3.8.5 on Subversion's schema and found that one of our queries started using a temporary B-Tree while executing, which it didn't use in any older Sqlite version. I wouldn't expect a usage of a temporary table as the data is already properly ordered when it uses

Re: [sqlite] [sqlite-dev] SQLite version 3.8.6 coming soon

2014-08-06 Thread Bert Huijben
"Richard Hipp" wrote... > Version 3.8.6 was originally scheduled for September. But the change log > ( > http://www.sqlite.org/draft/releaselog/current.html) is getting rather > long > and there are a number of important bug fixes. So we might try to get > 3.8.6 out the door sooner rather

[sqlite] Proposed new version numbering scheme for SQLite - Feedback requested

2015-10-08 Thread Bert Huijben
ed on to SQLite4 or something else entirely), they'd better award the > dev team a solid platinum prize of some sort. +1 Bert Huijben BTW: Completed the Subversion testsuite on the 3.8.12 version. No problems found.

Re: [sqlite] SQLite converts all unicode characters into ANSI

2012-11-20 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of ZikO > Sent: maandag 19 november 2012 02:57 > To: sqlite-users@sqlite.org > Subject: Re: [sqlite] SQLite converts all unicode characters into ANSI > > Hello, > thanks for

Re: [sqlite] Windows (slow) vs. iOS/OSX (fast) Performance

2012-12-01 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of David de Regt > Sent: vrijdag 30 november 2012 18:41 > To: General Discussion of SQLite Database > Subject: [sqlite] Windows (slow) vs. iOS/OSX (fast) Performance > >

Re: [sqlite] [sqlite-dev] SQLite 3.7.16 beta

2013-03-06 Thread Bert Huijben
Hi, I compile sqlite with SQLITE_OMIT_UTF16 (and a few other omit flags) on Windows and when testing with 3.7.16 I get: sqlite3.lib(sqlite3.obj) : error LNK2019: unresolved external symbol _sqlite3_result_text16le referenced in function _charFunc fatal error LNK1120: 1

Re: [sqlite] Windows-Specific 2-c-files Amalgamation?

2013-03-12 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Dominique Devienne > Sent: maandag 11 maart 2013 17:17 > To: General Discussion of SQLite Database > Subject: [sqlite] Windows-Specific 2-c-files Amalgamation? > > I

Re: [sqlite] Inefficient covering index used for Subversion with SQLite 3.8.0

2013-08-30 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Richard Hipp > Sent: vrijdag 30 augustus 2013 21:16 > To: General Discussion of SQLite Database > Subject: Re: [sqlite] Inefficient covering index used for Subversion with

[sqlite] Inefficient covering index used for Subversion with SQLite 3.8.0

2013-08-31 Thread Bert Huijben
Hi, Using the Subversion 1.7 / 1.8 wc.db schema I get quite different results from the query planner for several of our queries, where the difference in performance is quite huge. For this typical example using 3.8.0.1 only one index component is used: $ EXPLAIN QUERY PLAN

Re: [sqlite] Inefficient covering index used for Subversion with SQLite 3.8.0

2013-09-02 Thread Bert Huijben
sed for Subversion with > SQLite 3.8.0 > > On Fri, Aug 30, 2013 at 3:31 PM, Bert Huijben <rhuij...@apache.org> wrote: > > > The analyze on the very small database (which I used for the comparison > > between 3.7 and 3.8) is: > > > > Thanks for the

Re: [sqlite] Inefficient covering index used for Subversion with SQLite 3.8.0

2013-09-02 Thread Bert Huijben
sed for Subversion with > SQLite 3.8.0 > > On Mon, Sep 2, 2013 at 9:42 AM, Bert Huijben <rhuij...@apache.org> > wrote: > > > > > My question is more like: Should I see this as a light regression that most > > likely will be resolved in a future version, or as

Re: [sqlite] Inefficient covering index used for Subversion with SQLite 3.8.0

2013-09-03 Thread Bert Huijben
sed for Subversion with > SQLite 3.8.0 > > On Mon, Sep 2, 2013 at 10:58 AM, Bert Huijben <rhuij...@apache.org> > wrote: > > > We anticipate that the wc_id column will be used more in future versions > > and > > I had hoped that the assumption that a better in

Re: [sqlite] Inefficient covering index used for Subversion with SQLite 3.8.0

2013-09-03 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Marc L. Allen > Sent: dinsdag 3 september 2013 15:55 > To: General Discussion of SQLite Database > Subject: Re: [sqlite] Inefficient covering index used for Subversion

Re: [sqlite] SQLite and Virtual PC

2013-09-08 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Gintaras Didzgalvis > Sent: zondag 8 september 2013 06:32 > To: sqlite-users@sqlite.org > Subject: [sqlite] SQLite and Virtual PC > > Hi, > > SQLite running on

Re: [sqlite] Visual Studio 2008 Express and sqlite3.c

2012-03-30 Thread Bert Huijben
> -Original Message- > From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users- > boun...@sqlite.org] On Behalf Of Marco Bambini > Sent: vrijdag 30 maart 2012 9:52 > To: General Discussion of SQLite Database > Subject: [sqlite] Visual Studio 2008 Express and sqlite3.c > > I am trying