Re: [sqlite] System.Data.SQLite INT vs INTEGER

2011-05-18 Thread Xavier Naval
Hello, You can take a look at http://sqlite.phxsoftware.com/forums/t/31.aspx where you can find the DataType mappings for the .NET provider. Be careful also with DOUBLE -> DbType.Double FLOAT -> DbType.Double REAL -> DbType.Single Xevi 2011/5/19 Joe D : > > I have an app that creates a table o

[sqlite] SQlite on delete trigger error

2011-05-18 Thread Support Lists
Hi, I have the following sqlite trigger: / /|/CREATE TRIGGER DLT_actymethods_ibfk_1 BEFORE DELETE ON activity FOR EACH ROW BEGIN DELETE FROM actymethods WHERE ACTY_COD = OLD.ACTY_COD; END/ |So before delete the row from the table activity delete all records from the table actymethods associated

Re: [sqlite] About Fossil usage

2011-05-18 Thread Nico Williams
On Wed, May 18, 2011 at 9:50 PM, Richard Hipp wrote: > On Wed, May 18, 2011 at 1:27 PM, Nico Williams wrote: >> Also, I didn't expect commits and branches to go to the repository >> that I cloned mine from.  That was surprising!  With git and other >> similar VCSes such operations only hit the rep

Re: [sqlite] How to build SQLite3 docs?

2011-05-18 Thread Nico Williams
On Wed, May 18, 2011 at 9:44 PM, Richard Hipp wrote: > You need tclsqlite3.c, not sqlite3.c.  main() is found in tclsqlite3.c.  The > comment in the Makefile is not clear on this point and needs to be fixed Oh, duh. Thanks! Nico -- ___ sqlite-user

Re: [sqlite] About Fossil usage

2011-05-18 Thread Richard Hipp
On Wed, May 18, 2011 at 1:27 PM, Nico Williams wrote: > So I've stumbled twice trying to set up use of Fossil, both times with > respect to how to create a private branch. > > First I did "fossil branch new ..." and didn't realize that the > workspace was not switched to be in that branch, so that

Re: [sqlite] How to build SQLite3 docs?

2011-05-18 Thread Richard Hipp
On Wed, May 18, 2011 at 6:05 PM, Nico Williams wrote: > The SQLite3 docs Fossil repository doesn't seem to include any > instructions for building the docs. I've searched sqlite.org up and > down (docs and wiki both) for these instructions. I've also searched > the web a bit and found nothing ob

[sqlite] System.Data.SQLite INT vs INTEGER

2011-05-18 Thread Joe D
I have an app that creates a table of file names and sizes. The app itself works fine. I wanted to look at the table just to make sure that it was doing what it should, so I used something to do a simple SELECT * and bind the results to a DataGrid. When I did, I got an error "Value was eithe

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Petite Abeille
On May 19, 2011, at 12:28 AM, Igor Tandetnik wrote: > That's SQLite extension. I don't believe it's legal standard SQL. The > alias in the SELECT clause acts kind of like a macro; its use in the > rest of the statement is simply replaced with the corresponding expression. Mind-boggling. Border

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Igor Tandetnik
On 5/18/2011 6:11 PM, Petite Abeille wrote: > In other words, how come the following works in SQLite: > > select 1 as value where value> 0; > > Or even weirder: > select 1 as value where value = 0; > > There is no from clause, there is no column 'value' per se, but nonetheless > that non existing

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Nico Williams
On Wed, May 18, 2011 at 5:11 PM, Petite Abeille wrote: > Where does the start_gap and end_gap come from? They are only declared in the > select part of the inner select statement, and nowhere in the from part. But > nonetheless, SQLite manages to use these non existing columns in the where > cl

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Petite Abeille
On May 18, 2011, at 11:28 PM, Igor Tandetnik wrote: > On 5/18/2011 4:17 PM, Pavel Ivanov wrote: >>> I need help to build a statement in order to select all days free from >>> events in a specific time range. >> >> This kind of task should be implemented in your application. SQL >> wasn't intende

[sqlite] How to build SQLite3 docs?

2011-05-18 Thread Nico Williams
The SQLite3 docs Fossil repository doesn't seem to include any instructions for building the docs. I've searched sqlite.org up and down (docs and wiki both) for these instructions. I've also searched the web a bit and found nothing obvious. I have figured out something from the file named main.m

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Danilo Cicerone
Amazing! Thanks a lot. 2011/5/18 Igor Tandetnik : > select startGap, min(endGap) from > ( >   select date(e1.endDate, '+1 day') startGap, date(e2.startDate, '-1 > day') endGap >   from (select startDate, endDate from events >         union all >         select '' startDate, date('2011-01-01', '-1

Re: [sqlite] SQLITE_CANTOPEN

2011-05-18 Thread Simon Slavin
On 18 May 2011, at 9:09pm, Brancke, Brad wrote: > Once in a while when we power on the device and start my application, > this query fails: > > "SELECT storage_enum, mode, GPSDisplayDMS, UserRealID, UserEffID FROM > Settings;" > > with the reason "unable to open database file" I assume that t

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Igor Tandetnik
On 5/18/2011 4:17 PM, Pavel Ivanov wrote: >> I need help to build a statement in order to select all days free from >> events in a specific time range. > > This kind of task should be implemented in your application. SQL > wasn't intended for and can't solve such tasks. Sounds like a challenge: s

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Nico Williams
On Wed, May 18, 2011 at 4:10 PM, Petite Abeille wrote: > On May 18, 2011, at 10:50 PM, Danilo Cicerone wrote: >> How can I simulate a >> calendar table(maybe using the strftime funtion)? > > Well, you have two broad options: > > (1) materialize the calendar as a table > (2) virtualize the calendar

Re: [sqlite] DB triggers: Initial patch

2011-05-18 Thread Nico Williams
On Wed, May 18, 2011 at 4:14 PM, Petite Abeille wrote: > Very nice, thanks for sharing :) > > Wish such a functionality was part of the stock SQLite :)) Thanks for the kind words! I will do my best to make it palatable and hopefully desirable for the core dev team to integrate my patches. I don

Re: [sqlite] DB triggers: Initial patch

2011-05-18 Thread Petite Abeille
On May 16, 2011, at 7:30 PM, Nico Williams wrote: > In my next post I'll post a [681 line, 28KB unified diff, or 504 line > regular diff] patch implements the following DB triggers: > > - AFTER DATABASE CONNECT > - AFTER TRANSACTION BEGIN > - BEFORE TRANSACTION COMMIT Very nice, thanks for shar

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Danilo Cicerone
Thanks again. 2011/5/18 Petite Abeille : > > On May 18, 2011, at 10:50 PM, Danilo Cicerone wrote: > (1) materialize the calendar as a table > (2) virtualize the calendar as a generator > ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Petite Abeille
On May 18, 2011, at 10:50 PM, Danilo Cicerone wrote: > How can I simulate a > calendar table(maybe using the strftime funtion)? Well, you have two broad options: (1) materialize the calendar as a table (2) virtualize the calendar as a generator The first option is brutal, but simple. E.g. cre

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Danilo Cicerone
Thanks Petite, I get it, great. Only another quick question, How can I simulate a calendar table(maybe using the strftime funtion)? Danilo 2011/5/18 Petite Abeille : > > On May 18, 2011, at 10:17 PM, Pavel Ivanov wrote: > >> SQL wasn't intended for and can't solve such tasks. > > Of course it can.

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Petite Abeille
On May 18, 2011, at 10:17 PM, Pavel Ivanov wrote: > SQL wasn't intended for and can't solve such tasks. Of course it can. Assuming a calendar and an event table: select calendar.date from calendar where calendar.date between '20110101' and '20110201' and not exists ( select 1 from event whe

Re: [sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Pavel Ivanov
> I need help to build a statement in order to select all days free from > events in a specific time range. This kind of task should be implemented in your application. SQL wasn't intended for and can't solve such tasks. Pavel On Wed, May 18, 2011 at 4:06 PM, Danilo Cicerone wrote: > Hi to al

[sqlite] SQLITE_CANTOPEN

2011-05-18 Thread Brancke, Brad
Dear SQL gurus - I have been using SQLite for several years and love it. Currently it is being used on a small embedded Linux device. Once in a while when we power on the device and start my application, this query fails: "SELECT storage_enum, mode, GPSDisplayDMS, UserRealID, UserEffID FROM

[sqlite] SQL Statement Help(selecting days).

2011-05-18 Thread Danilo Cicerone
Hi to all, I need help to build a statement in order to select all days free from events in a specific time range. E.g.: - Range(-MM-DD) from 2011-01-01 to 2011-02-01. - Event 1 from 2011-01-02 to 2011-01-08 - Event 2 from 2011-01-06 to 2011-01-12 - Event 3 from 2011-01-18 to 2011-01-21 Resul

[sqlite] About Fossil usage

2011-05-18 Thread Nico Williams
So I've stumbled twice trying to set up use of Fossil, both times with respect to how to create a private branch. First I did "fossil branch new ..." and didn't realize that the workspace was not switched to be in that branch, so that my subsequent commit didn't go to that branch. My second attem

Re: [sqlite] Auto-checkpoint when read transaction finishes? (was: Bug or not: WAL file is not auto-checkpointed when transaction finishes)

2011-05-18 Thread Richard Hipp
On Wed, May 18, 2011 at 11:06 AM, Nikolaus Rath wrote: > > So considering this as feature request: do you have any thoughts on > making SQLite consider auto-checkpointing when a read transaction > finishes? > There might be performance implications. But we'll look into it. -- D. Richard Hip

[sqlite] Auto-checkpoint when read transaction finishes? (was: Bug or not: WAL file is not auto-checkpointed when transaction finishes)

2011-05-18 Thread Nikolaus Rath
Richard Hipp writes: > On Tue, May 17, 2011 at 5:11 PM, Nikolaus Rath > wrote: >> Please consider the attached testcase. The WAL file should grow to at >> most 1 MB. This limit is exceeded, because the script adds data while a >> second cursor has an active SELECT query. However, when the SELECT

Re: [sqlite] Bug or not: WAL file is not auto-checkpointed when transaction finishes

2011-05-18 Thread Richard Hipp
On Tue, May 17, 2011 at 5:11 PM, Nikolaus Rath wrote: > Hi, > > Please consider the attached testcase. The WAL file should grow to at > most 1 MB. This limit is exceeded, because the script adds data while a > second cursor has an active SELECT query. However, when the SELECT query > finishes, th

Re: [sqlite] How to install and configure SQLite on ipad.

2011-05-18 Thread Jean-Denis Muys
On 17 mai 2011, at 19:16, irfan khan wrote: Thanks a lot for your replay. But we are developing new application for ipad for some buisseness need and need to configure sqllite database for the same. I am MS SQL database administrator and my developer team asked me to configure sqlite for ipad.