On Tue, Jun 22, 2010 at 9:15 AM, Pavel Ivanov wrote:
> > The idea is that the copy and nulling happens very quickly where the
> > sqlite3_close is more expensive, do the copy/null very quickly so that if
> > another thread calls Close during the first threads execution of
> > sqlite3_close, the s
On Tue, Jun 22, 2010 at 10:13 AM, Pavel Ivanov wrote:
> > No, I did not. I am not storing any blobs right now, but... Is the busy
> > handler going to kick in? I know the busy handler is not the sole answer
> to
> > the problem, but it does seem to catch most of my SQLITE_BUSY issues
> since
>
I have created a little extension function that I would like to load into my
Qt program, so I am using the function load_extension, but it always returns
false. I am currently hard coding the path:
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(systemDB);
Q
On Sat, Jun 26, 2010 at 11:22 PM, Igor Tandetnik wrote:
> Sam Carleton wrote:
> > I have created a little extension function that I would like to load into
> my
> > Qt program, so I am using the function load_extension, but it always
> returns
> > false.
Jan,
Actually I am already compiling sqlite to my liking and recompiling the Qt
sqlite3 driver. The custom sqlite3 has foreign keys turned on by default.
When you say I have to build my own driver, do you mean I simply need to
make another modification to my sqlite3 or are you saying I need to ac
In other databases there have been times when I have played some tricks with
the master tables, an example is:
Goal: change some fundamental characteristics of 'target_table' which cannot
be done by an ALTER
1: Create the new table with a different name: target_table2 with the
changes
2: Do an in
I use a bit simpler approach, don't know if it is correct or not, but
it seems to work:
int rc = sqlite3_step(stmt);
while(rc == SQLITE_ROW)
{
/* read the row info */
rc = sqlite3_step(stmt);
}
if( rc != SQLITE_DONE)
{
/* handle error */
}
___
On Tue, Jul 6, 2010 at 3:33 PM, smengl90 <
fixed-term.seak.meng...@us.bosch.com> wrote:
>
> Hi guys,
>
> I am trying to setup sqlite to be used with VC++ 2008. Can someone show me
> where I can find instructions on how to set it up? and do I need a c++
> wrapper to code in C++? If yes, can someone
On Wed, Jul 7, 2010 at 2:55 PM, Jay A. Kreibich wrote:
>
> This one is coming out next month. I like it.
>
> http://www.amazon.com/Using-SQLite-Jay-Kreibich/dp/0596521189/
>
Jay,
Without knowing anything more about the book other then the link you
provided, the one thing I do know is if you d
On Wed, Jul 7, 2010 at 7:12 PM, Simon Slavin wrote:
>
> The precompiled binaries are for those who see SQLite as some sort of
> external library and don't want to include it in their own application.
> It's a useful alternative for those who want to keep their own app as slim
> as possible.
>
O
On Fri, Jul 9, 2010 at 2:48 PM, smengl90
wrote:
>
> Hi, I want to compose a query that will use a c++ variable. For example I
> have:
>
> int i= 5;
> char * query = "SELECT * from userInfo WHERE count<'i'".
>
> The syntax does not work. How do I do that?
smengl90,
You are asking a question that
I really don't mean to be a jerk, but this does seem to be really off
topic for this mailing list. Isn't the concatination of two string a
general C/C++ question rather then a sqlite question? Don't you think
you might be better off asking this question on a C/C++ mailing list
or forum, maybe som
I am on Window 7, opening an existing database with these flags:
SQLITE_OPEN_EXCLUSIVE |
SQLITE_OPEN_READWRITE |
SQLITE_OPEN_CREATE
Then I get a value from one table, begin a transaction, create a temp
customer table, fill it with the current values from the customer table.
Here is that SQL run b
I have some audit fields, one being updatedby, I would like to create an
update trigger that would prevent the row from being updated if this was not
set. Can I do that in sqlite?
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Is there any way to bind to this query?
SELECT * FROM table WHERE tableId IN ( ? );
Where ? should be 1,2,3,4
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gt;printf("SQL too many parens?? - %s\n",sql);
>}
> puts(sql);
> }
>
>
> Michael D. Black
> Senior Scientist
> Northrop Grumman Mission Systems
>
>
>
>
> From: sqlite-users-boun...@sqlite.org on behalf of Sam Carleton
> Sen
I posted this over the weekend, I am assuming it was overlooked
because it was, well, the weekend:) Does anyone have any thoughts?
--
I am on Window 7, opening an existing database with these flags:
SQLITE_OPEN_EXCLUSIVE |
SQLITE_OPE
On Mon, Jul 12, 2010 at 10:36 AM, Jay A. Kreibich wrote:
>
> Are you using sqlite3_exec() for all of these? My first guess is that
> you're not finalizing the INSERT statement (or allowing it to run to
> completion) before trying to drop the table.
>
I am using sqlite3_exec() for everything
I am working with an Apache module that is using the Apache DBD connection
pool system. The application always need to connect to two DB files, the
"System DB" and the "Event DB". The System DB is the default, the "Event
DB" is always connected via an ATTACH DATABASE called EventDB. The system
a
Is there any way to use the PRAGMA database_list in a query? What I would
like to do is:
SELECT * FROM (PRAGMA database_list) WHERE name = 'EventDB';
Sam
On Sun, Jul 18, 2010 at 11:56 PM, Simon Slavin wrote:
>
> On 19 Jul 2010, at 4:48am, Sam Carleton wrote:
>
> >
How expensive is doing a PRAGMA database_list?
I am using the connection pooling in Apache APR's DBD system. Currently
there are multiple places with in one request that does the following:
- Get a connection to the DB
- Call PRAGMA database_list
- Iterate through the list looking for
On Mon, Jul 19, 2010 at 2:58 PM, Simon Slavin wrote:
>
> On 19 Jul 2010, at 3:50pm, Sam Carleton wrote:
>
> > I am using the connection pooling in Apache APR's DBD system. Currently
> > there are multiple places with in one request that does the following:
> >
>
On Mon, Jul 19, 2010 at 2:58 PM, Simon Slavin wrote:
>
> On 19 Jul 2010, at 3:50pm, Sam Carleton wrote:
>
>> - Connection to the second one if it is old (wrong physical file) or not
>> connected.
>
> (Actually you will get other databases shown in 'PRAGMA dat
On Mon, Jul 19, 2010 at 4:02 PM, Jay A. Kreibich wrote:
> On Mon, Jul 19, 2010 at 01:27:52AM -0400, Sam Carleton scratched on the wall:
>> Is there any way to use the PRAGMA database_list in a query? What I would
>> like to do is:
>>
>> SELECT * FROM (PRAGMA database_
On Mon, Jul 19, 2010 at 3:51 PM, Simon Slavin wrote:
You know, I think that the most efficient way to do what you want will
> probably to always issue the 'ATTACH' command. If EventsDB is already
> attached, you should get a specific error code, which you can notice but
> ignore.
>
So, there is
On Mon, Jul 19, 2010 at 9:46 PM, Simon Slavin wrote:
>
> On 20 Jul 2010, at 2:01am, Sam Carleton wrote:
>
> > On Mon, Jul 19, 2010 at 3:51 PM, Simon Slavin
> wrote:
> >
> >> You know, I think that the most efficient way to do what you want will
> >> pro
On Tue, Jul 20, 2010 at 8:34 PM, Simon Slavin wrote:
>
> On 21 Jul 2010, at 12:42am, Sam Carleton wrote:
>
> > There are two equally
> > important requires, one is to connect to the second "EventDB", the other
> is
> > that the system admin can change the
On Wed, Jul 21, 2010 at 9:47 AM, Simon Slavin wrote:
>
> On 21 Jul 2010, at 2:30pm, Sam Carleton wrote:
>
> > My issue with only attaching to the EventDB for only as long as a command
> is
> > trying to use it is: The EventDB is used a LOT, a WHOLE lot. If I
> attac
On Wed, Jul 21, 2010 at 11:23 AM, Simon Slavin wrote:
>
> On 21 Jul 2010, at 3:53pm, Sam Carleton wrote:
>
> > In the end, I am looking for the best way to determine if the connection
> > contains the correct EventDB, since a connection can live for a LONG LONG
&
I am using SQLite inside of Apache. I am using the Apache connection pool
system, so as long as the server is running there is always one connection
to the database. I have one very high traffic table with lots of reads and
writes, it turns out that this info does *NOT* need to be resident beyond
Tim,
I, like you, am using SQLite as the DB to a web server. But I have to agree
with Roger. I do so from the prospective that web client cannot make native
calls to SQLite. Thus the web server is the client. Further more I would
say that in all web server based solutions, the web server is th
I am having some issues with dead locks. Currently I have two
different processes access the sqlite db, one is an Apache module
using the dbd framework to manage connections, the other is a .Net
program using the standard .Net provider.
I wanted to just validate that both the providers can open t
I just read the page on Shared-Cache Mode and it left me with some questions...
Q1: Is my understanding correct: Shared-Cache Mode is used within a
process to gain table locking, as compared to the normal file locking.
How to Enabling Shared-Cache Mode in the following situation:
SQLite is bein
I just read over the "Using the sqlite3_unlock_notify() API" and it
looks like exactly what I need. The only catch is that currently I am
running everything on Windows.
Does anyone have a port of the supporting functions discussed on the
page for Windows?
Sam
e is REALLY easy to use, all I have ever used
is the docs on the web site and it has been outstanding! Mind you, I am
using the C interface.
Sam Carleton
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I posted this over the weekend and there have been no replies, I thought I
might post it one more time;)
On Sep 11, 2010, at 7:28 PM, Sam Carleton wrote:
> I just read over the "Using the sqlite3_unlock_notify() API" and it
> looks like exactly what I need. The only catch is
When compiling sqlite for Windows desktop OS's (XP, Vista, Win7), should
SQLITE_ENABLE_ATOMIC_WRITE be set or not?
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What is the best LINQ provider for SQLite?
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I looked through the source code to figure out how to default the
journal_mode to WAL, but could not figure out what changed is needed.
How does one go about doing that?
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of log4net
won't really work either. The best way is to hard code SQLite source code
to default to WAL all the time.
Sam
On Thu, Jan 6, 2011 at 5:32 PM, Simon Slavin wrote:
>
> On 6 Jan 2011, at 9:32pm, Sam Carleton wrote:
>
> > I looked through the source code to figure
I am trying to optimize a query by using the EXPLAIN QUERY, but the
documentation on the web (http://www.sqlite.org/eqp.html) does not match the
version of SQLite I am using (v3.6.23.1). The documentation says there are
three columns, but I am only seeing two columns. What do the two columns
mean
I am adding some indexes to an existing database to improve performance. I
am 99.9% sure they are unique, but... it was a while ago that I was in that
code. Are there any performance reasons to make them unique or make them
not unique? From the stand point of risk, my inclination is to make the
I am using SQLite in a Apache module on Windows. On Windows, Apache is a
single multi-threaded process. The Apache DBD is used to leverage
connection pooling.
At one point in the code, the web request gets a connection, creates a temp
table, used the temp table, and then deletes the temp table b
Currently I have two and sometimes three clients access the SQLite db, all
on the same machine.
* A C# program that doesn't ever stay connection all that long.
* An Apache application that stays connected all the time.
* A Qt application that stays connected when it is running.
I am getting repor
On Wed, Feb 9, 2011 at 1:46 PM, Igor Tandetnik wrote:
>
> On 2/9/2011 1:42 PM, Sam Carleton wrote:
>
> > It is my understanding that SQLite is designed to allow multiple clients
> > from the same computer to access the DB file at one time.
>
> Yes. But if one of th
I hacked the 3.6.23.1 amalgamation code a while back. I need to move
those hacks to 3.7.500, but I don't seem to have a copy of the
3.6.23.1 amalgamation code. Where can I find a copy?
Sam
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I am in the process of upgrading my app from using SQLite.net w/ 3.6.23 to
SQLite.net w/ 3.7.5. When the .Net program starts in a fresh install state,
aka no system db exists and it builds one up via SQL script all works fine.
When it opens an existing 3.6.23 system db, it gets a database lock. an
On Fri, Feb 11, 2011 at 6:54 AM, Philip Graham Willoughby <
phil.willoug...@strawberrycat.com> wrote:
> Hi Sam,
>
> On 11 Feb 2011, at 05:29, Sam Carleton wrote:
> > I am sure it is bad form, but attached is one of the 3.6.23 DB, it is
> only
> > 12K.
>
&
/11/2011 08:08 PM, Sam Carleton wrote:
> > On Fri, Feb 11, 2011 at 6:54 AM, Philip Graham Willoughby<
> > phil.willoug...@strawberrycat.com> wrote:
> >
> >> Hi Sam,
> >>
> >> On 11 Feb 2011, at 05:29, Sam Carleton wrote:
> >>> I am sur
Just wondering, are the wal and shm files suppose to stick around after the
process exits?
Sam
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This is a bit crazy and I know the ideal way would be to not allow the
apostrophy in the first place but, my focus is easy of use for my customers,
as compared to easy for me...
I had a customer that saved their SQLite database here:
D:/My Events/President's Day/event.sqlite
My software uses ATT
On Mon, Feb 21, 2011 at 9:42 AM, Sam Carleton wrote:
> On Sun, Feb 20, 2011 at 4:11 PM, Scott Hess wrote:
>
>> You can also convert:
>> ATTACH DATABASE x AS y KEY z
>> to:
>> SELECT sqlite_attach(x, y, z)
>> where the parameters can be turned into bind argum
sqlite_attach(x, y, z)
> **
> ** If the optional "KEY z" syntax is omitted, an SQL NULL is passed as the
> ** third argument.
> */
>
> --
> --
> --
> --ΞΞ--
> ô¿ô¬
> K e V i N
> /¯¯
Ok, a few weeks ago I posted an issue that I was having with the attach
commend because the path has a single quote in it. Someone suggested I use
the sqlite_attach() function which allegedly can be parametrized. Well, I
finally got around to it this evening but I am missing something. Here is
w
I am looking for a good SQLite IDE, SQLite Maestro looks like a good
candidate with most all the features I need. The price is good, too.
The one feature I don't see is a tool that can do a diff on the DDL of
two SQLite db's. Does anyone know of any other SQLite IDE's that have
that ability?
Sam
On Tue, Mar 22, 2011 at 3:26 PM, Jonathan Allin
wrote:
> Would the diff have to do more than compare (in some nice graphical way) the
> two sqlite_master tables?
What I am looking for is this: I have one version of the DB out in
the field, I have made changed to it in development, I want to see
On Tue, Mar 22, 2011 at 4:02 PM, Ben wrote:
> You don't mention which platform you're on, but for OS X there's a good
> comparison table of SQLite editors here:
>
> http://www.barefeetware.com/sqlite/compare/?ml
Ben,
I have a Mac, but I am currently targetting Windows.
_
I don't see any examples on http://www.sqlite.org/foreignkeys.html how to
either add or drop a foreign key to an existing table. What might that
syntax look like exactly?
Also, from a performance perspective, is there an advantage to using a
foreign key in SQLite verses just an index? (aka, is it
On Tue, Mar 22, 2011 at 10:55 PM, BareFeetWare wrote:
>
> You have to drop the old table and create a new one with the changed
> foreign keys.
This is a bummer. Is there any desire/plan to add an alter feature, in the
future?
> > Also, from a performance perspective, is there an advantage to
On Wed, Mar 23, 2011 at 12:20 PM, Nico Williams wrote:
> I do think that SQLite3 will eventually need to grow ALTER support for
> altering constraints. This whole copy-the-table thing is not really a
> scalable solution. Without such ALTER functionality users will often
> have to implement all c
On Wed, Mar 23, 2011 at 2:00 PM, Nico Williams wrote:
> Also, just to be clear, making the schema writable and then making any
> updates to sqlite_master is completely unsupported, and should be.
>
This is good, very good, IMHO. Which is also why I won't do it:) hehehehe
Thank you for insight!
Is my impression correct that when calling sqlite3_step() on a query
that returns no rows, the result will be [SQLITE_DONE]? If that is
the case, might that be added to the documentation?
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The system calls for an associative table, a table with two foriegn
keys to two other tables, allowing for a many to many relationship.
Is there any way to make the primary key be both the columns?
CREATE TABLE Invoice_Item_Favorite(
Invoice_Item_Id INTEGER,
FavoriteId INTEGER,
I am implementing a dataset update process. There is a for loop going
through the dataset either doing an update on the row or deleting the
row. So there are two statements that are preparied, currently I am
using the same basic logic for both. The problem is the second time
around I get a SQLIT
On Fri, Apr 22, 2011 at 11:44 PM, Drake Wilson wrote:
> You probably need to sqlite3_reset the statement after stepping it.
Can someone then explain the purpose of sqlite3_clear_bindings()? If
I understand things correctly, you call sqlite3_reset() to reuse a
prepaired statement, why do you ca
I am trying to track down an issue that I MIGHT have with the following
query. The explain query is a bit complex and I cannot tell if it is OK or
if there are issues. Here it is:
sqlite> EXPLAIN QUERY PLAN
...> SELECT DISTINCT f1.FolderId, f1.ImageId,
...>(SELE
How does one go about finding out how many rows a query returns? Is there a
way to find out the id of a particular column?
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On May 8, 2011, at 11:09 AM, Jean-Christophe Deschamps
wrote:
>
>> How does one go about finding out how many rows a query returns?
>
> This is the number of time sqlite3_step can be called successfully
> until it returns SQLITE_DONE.
I had it wrong in the email body, I meant how many column
On May 8, 2011, at 12:53 PM, "Igor Tandetnik" wrote:
> Sam Carleton wrote:
>> I had it wrong in the email body, I meant how many columns are in query?
>
> sqlite3_column_count. Don't even need to execute the query for that, just
> prepare it.
Ah, thank you!
On May 8, 2011, at 11:06 AM, "Jay A. Kreibich" wrote:
> On Sun, May 08, 2011 at 11:00:29AM -0400, Sam Carleton scratched on the wall:
>
>> Is there a way to find out the id of a particular column?
>
> sqlite3_column_name()
I want to go the other way: I have the s
On Sun, May 8, 2011 at 3:08 PM, Simon Slavin wrote:
>
> Out of interest, are you trying to analyse the results of a "SELECT *" ?
> Because since it's your query in the first place, you should know what
> columns you asked for.
>
Nope, I NEVER do SELECT *, very, very evil! Great for develop
I just did a quick load test on my little web app that is using SQLite
in C code. Pretty quick it ran into a SQLITE_LOCKED while a
connection/user was logging in to the site. I have some code that
responds to SQLITE_BUSY by sleeping for 50 mills and retrying 4 times:
int rc = FullLoginProcess(re
ut I cannot tell how to
separate multiple values, is it a comma, or some other separator? My
current guess is:
DefaultFlags_SQLiteConnection="recursive_trigger=0,foreign_keys=1"
Is there documentation on this somewhere and I am just missing it?
Pax vobiscum
came with System.Data.SQLite?
Pax vobiscum,
Sam Carleton
On Sat, Jun 1, 2019 at 1:47 PM Simon Slavin wrote:
> On 1 Jun 2019, at 4:34pm, Sam Carleton wrote:
>
> > What I cannot find is what to set to enable foreign keys and disable
> > recursive triggers.
>
> Only flags
put that into
the SQLite.Interop.2015 project, correct?
Thanks for your help
Pax vobiscum,
Sam Carleton
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On Sat, Jun 1, 2019 at 7:35 PM Joe Mistachkin wrote:
>
> compile the System.Data.SQLite assembly in such a way that it uses a
> "standard" SQLite
> DLL, via setting the following MSBuild properties:
>
> /p:UseSqliteStandard=true /p:UseInteropDll=false
>
Joe,
I am trying out this approac
myself won't exist if it wasn't for the folks like you. Thank you, I truly
appreciate it!
Pax vobiscum,
Sam Carleton
-- Forwarded message -
From: Joe Mistachkin
Date: Sat, Jun 8, 2019 at 11:48 PM
Subject: Re: [sqlite] Best way to set default PRAGMA's in System.Data.SQ
where b.part = frammis.part )
then ( select coalesce (sum(c.wgt*c.qty), b.wgt)
from frammis as c
left outer join frammis as b on b.lft = (select max(S.lft) from
frammis as s where c.lft > s.lft and c.lft < s.rgt)
where b.part = frammis.part )
else frammis.wgt
end
P
;
INSERT INTO frammis (part, qty, wgt, lft, rgt) VALUES ('j', 1, 0, 10, 15);
INSERT INTO frammis (part, qty, wgt, lft, rgt) VALUES ('k', 5, 3, 22, 23);
INSERT INTO frammis (part, qty, wgt, lft, rgt) VALUES ('l', 1, 4, 24, 25);
INSERT INTO frammis (part, qty, wgt, lft, r
where b.part = frammis.part )
then ( select coalesce (sum(c.wgt*c.qty), b.wgt)
from frammis as c
left outer join frammis as b on b.lft = (select max(S.lft) from
frammis as s where c.lft > s.lft and c.lft < s.rgt)
where b.part = frammis.part )
else frammis.wgt
end
P
cum it helps
me keep myself in check to make sure the context I put in that email is one
of peace. Let me tell ya, more than once I have written an email, looked
at my salutation and gone back to seek a more peaceful tone.
Pax vobiscum,
Sam Carleton
On Sun, Jun 16, 2019 at 1:33 PM E.Pasma wrote:
&
-3936-44b0-84a4-56681320fb7d' and
ChildOID <> '98f13b01-3936-44b0-84a4-56681320fb7d'
order by ChildName
Pax vobiscum,
Sam Carleton
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n
that inner peace after such an "interesting" day.
Pax vobiscum,
Sam Carleton
On Tue, Jun 18, 2019 at 2:57 PM James K. Lowden
wrote:
> On Mon, 17 Jun 2019 20:46:41 -0400
> Sam Carleton wrote:
>
> > It is my view that peace is not something that can be defined with
> &g
END;
Pax vobiscum,
Sam Carleton
>
> Does this trigger not compute, is not accepted, or does not work once
> installed? What is the problem exactly?
>
It works fine. Initially I was not able to find any good examples of a
conditional trigger but after a lot more searching I was able to find one
that validated that it might work,
I am working on converting my system table from one form to another. The
old form was one row per value with a category/key/value (DBLookup) , the
new form is a separate column for each value (PP_VIEWER_SETTINGS). I am
trying to create an insert statement to run when the new table is created,
but
= "EnableCarts"
> ...
> and a.? = b.?
> and a.? = c.?
> ...
> ;
>
> Question marks here is the field which value should identify what row
> particular ItemName should go to.
>
>
> Pavel
>
>
> On Thu, Jul 5, 2012 at 11:03 PM, Sam Carleton
> wrote:
&
Folks, I would like to thank one and all, I think this was a group effort.
I changed the double quotes to single, changed the value into a select and
then just ran the select part and found one NULL filed because I had the
wrong category. Fixed that and left it as a select and all is well! Thank
I have a invoice system where one invoice item can have one or more sum
items (images). Example is a CD... The invoice item is a CD, there are an
infinite numbers of images associated with that CD invoice item. So I have
the following:
CREATE TABLE Invoice_Item (
Invoice_Item_Id INTEGER PRI
On Sun, Jun 5, 2011 at 1:04 PM, Simon Slavin wrote:
>
> Take a look at the group_concat() function:
>
> http://www.sqlite.org/lang_aggfunc.html
>
That is PERFECT, thank you! If the person who thought of this function
originally is reading this, thank you!!! What a time saver!
Sam
On Sun, Jun 5, 2011 at 5:44 PM, Jay A. Kreibich wrote:
> On Sun, Jun 05, 2011 at 12:47:47PM -0400, Sam Carleton scratched on the
> wall:
>
> > In one select statement, I want to return a view of all the Invoice_Items
> > for a particular Invoice such that there is one col
itial release. There is a lot to come, I just need to get this out
the door as quickly as possible while providing useful information to my
users.
Sam
On Sun, Jun 5, 2011 at 8:17 PM, BareFeetWare wrote:
> On 06/06/2011, at 8:30 AM, Sam Carleton
> wrote:
>
> > allow the user to
I have a select statement that is calculating the subTotal, Tax, and grand
total:
UPDATE Invoice
SET Sub_Total = (select sum(PRICE * QTY) from INVOICE_ITEM where
INVOICE_ID = @invoiceId),
Tax = (select round( sum(PRICE * QTY) * ( @tax / 100) + .005, 2) from
INVOICE_ITEM where INVOICE_ID
It is very clear to me that my expectations are wrong, please enlighten
me...
Here is the query:
update INVOICE
set SUB_TOTAL = (select sum(PRICE * QTY) from INVOICE_ITEM ii where
ii.INVOICE_ID = *INVOICE_ID*),
TAX = (select round( sum(PRICE * QTY) * ( 8.25 / 100) + .005, 2) from
INVOIC
Forgive me, fore I have forgotten the term used to describe the behavior if
a C if statement where it stops executing on the first false statement,
but... Does coalesce do that?
I have to put together a query that has a coalesce such that if the row from
the table is null, it then does a non-triv
On Thu, Sep 15, 2011 at 6:38 AM, Richard Hipp wrote:
> On Wed, Sep 14, 2011 at 9:03 PM, Sam Carleton >wrote:
>
> > Forgive me, fore I have forgotten the term used to describe the behavior
> if
> > a C if statement where it stops executing on the first false statement,
&
On Thu, Sep 15, 2011 at 10:05 AM, Simon Slavin wrote:
>
> Documentation for COALESCE is here:
>
> http://www.sqlite.org/lang_corefunc.html
>
> It does not say whether it does short-circuit evaluation but the description
> does imply testing one by one, rather than evaluating all the conditions
>
On Thu, Sep 15, 2011 at 12:24 PM, Simon Slavin wrote:
>
> On 15 Sep 2011, at 5:00pm, Sam Carleton wrote:
>
>> I don't mean to be difficult, but I simply don't get any indication of
>> how exactly COALESCE actually functions from this description:
>>
Is there any way to "disable" a trigger in sqlite?
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Ok, how do I list what a trigger is so that I can add it back once I want to
"reactive" it?
On Sun, Oct 2, 2011 at 9:07 PM, Igor Tandetnik wrote:
> Sam Carleton wrote:
> > Is there any way to "disable" a trigger in sqlite?
>
>
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