BareFeet wrote:
> In general, I think it's much better (performance and logic) to do
> all you can in SQL, without passing values out of SQL results, into
> your non-SQL code, then re-injecting back into another SQL query etc.
With SQLite, that's not really going to make a difference. Since it's
Simon Slavin wrote:
> On 26 Jun 2009, at 12:25pm, Alberto Simões wrote:
>
>> one adition, one remotion or one substitution
>
> I am always amazed at how well people use English. For your word
> 'remotion' you probably mean 'removal' or 'omission'. You have joined
> the two possibilities
Craig Talbert wrote:
>>From Perl, when I attempt to make a database connection using SQLite,
> I get the following error:
>
> [Tue Jun 23 17:10:22 2009] projectory.cgi:
> DBI->connect(dbname=projectory.sqlite3) failed: database disk image is
> malformed at ./projectory.cgi line 1577
>
> At line
Derrell Lipman wrote:
> The amalgamation probably installed into some directory not in your path.
> You should look at where it installed (re-run ../configure and look at its
> output, which should tell you where it will install to. For Ubuntu, you
> almost certainly want it to install into
Mohd Radzi Ibrahim wrote:
> It seems to works either way.
>
> I'm just wondering is there any hidden reason that single quote is
> preferred? Portability?
> Or is double-qoute has some kind of special meaning that we should use it
> for that special purpose?
If what's enclosed in the double
Sreedhar.a wrote:
Hi Lokesh,
Thanks for your suggestions.
My proble is assigning a unique record for each record in a table.
The database table name MUSIC.
I have 3 columns Artist Album and Tracks.
Artist1 Album1 Track1
Artist2 Album2 Track2
Artist3 Album2 Track3
I need to assign a
T wrote:
I know there are hooks for adding a Regexp function/operator ourselves,
but I need to know it's available on other machines with standard
install. It's the same reasoning, I guess, as why Trim() was added, but
Regexp seems to serve a wider need.
I'm pretty sure the problem is that
COS wrote:
A small opinion on that matter: what I would really like to see is something
like system tables. Today sqlite uses only sqlite_master to keep information
about its objects and parsing is required to getter better info of each
object (if one needs to). Using other system tables to keep
The following query
SELECT title,snippet(stories,"~","~","...")
FROM titles JOIN stories ON titles.story_id=stories.rowid
WHERE stories.body MATCH ?
results in a complaint that MATCH is being called in the wrong context.
Prefixing any/all column names with "+" doesn't change this.
P Kishor wrote:
Thanks, so the answer is there is no straight-forward way of doing
this. I will export to CSV, and then rebuild a dbf using Perl.
Since you've got Perl, you can skip the CSV step; just make sure you
have DBI and DBD::SQLite and DBD::XBase installed and create connections
to
[EMAIL PROTECTED] wrote:
I'm thinking that all documentation is better placed in
a wiki.
Hmmm. The problem I see is that it makes access to the full
documentation contingent on connectivity to a possibility ephemeral
external site. Maybe the solution is to incorporate wiki snapshots into
Andrew Piskorski wrote:
As an R user, I'm happy to see the project below, it could become a
very handy use of SQLite.
I suspect it's well out of scope for that project, but it would be
particularly cool to eventually see some of the integration go the
other way, and allow use of SQLite's SQL
Mikey C wrote:
StdDev
Variance
When implementing these, make sure *not* to use the "textbook" one-pass
formula (mean of the squares - square of the mean); it simply doesn't
work properly in floating point (you can find yourself subtracting one
large number from another and losing most of
Aaron Jones wrote:
Windows XP, don't know what compiler to use.
MinGW and all the common versions of Visual Studio work.
I am creating a GUI to SQLite, so need my interface to connect to SQLite,
and wanted to know what it connected to, the source code or the exe file.
SQLite is an
Dennis Cote wrote:
You could also do this:
SELECT x from y WHERE y.x LIKE '%' || ? || '%' ;
The || operator concatenates the % characters with your string. Now you
don't need to massage the string in the calling code. Six of one, half
dozen of the other.
Note, though, that as currently
Nathan Kurz wrote:
On Mon, Mar 06, 2006 at 06:24:13PM -0800, Steve Green wrote:
Hi,
I'm hoping that someone can shed some light on the following issue that
I'm seeing. When I attempt to create a temp table using DBD::SQLite (v1.11)
and either SQLite v3.3.3 or v3.3.4, I get the following
chetana bhargav wrote:
Does sqlite provides asynchronous loading of data. Basically if I
have something around 3000 records and want to do some query, instead
of returning the result in one single query is it possible for me to
relinquish the control to other apps so that I wont get a time out
Geoff Simonds wrote:
The app is running on Windows XP machines
Is it possible that indexing services are enabled and XP is trying to
index the database file?
Carl Jacobs wrote:
Hello, I'm a new user to this group as I haven't had any issues with sqlite
till now. I tried searching to see if this question has been asked before,
but couldn't find anything.
I'm using Windows.
I have a table with ~45 colums and ~17000 records. I do a search for some
Downey, Shawn wrote:
Does anyone know if it is possible to determine if data is string or
numeric inside a callback in C++? I am using sqlite 3.2.7.
Unless you have some requirements that your code be compatible with
SQLite 2.*, I'd suggest you rewrite it to use the prepare/step
interface;
m christensen wrote:
What you are doing is needs analysis and by definition requires 'help'
or input from others. This is not doing YOUR work for you.
On the other hand needs analysis is much more complex than just asking
users what they want.
Most of the time they simply don't know.
Arjen Markus wrote:
Hm, there is a CSV reading module in Tcllib, so one could contemplate
using Tcl instead of Perl for this. That ought to take care of the
quotes
and other nastiness...
Perl's Text::CSV module available from CPAN also handles these issues.
Michael Scharf wrote:
Eric Bohlman wrote:
Using prepared statements with placeholders would reduce the amount of
parsing even further.
Well, I think
INSERT INTO tablename VALUES (0,'foo') , (1,'bar') , (2,'baz');
is a kind of prepared statement, or it could be implemented as
a prepared
[EMAIL PROTECTED] wrote:
uSQLite does not (generally) enter into the details of the query it is
passed. There is however an exception for security. uSQLite requires a
login and (depending on the user and network) assigns the user a level:
0: No access
1: Select only
2: Update/Insert only
3:
[EMAIL PROTECTED] wrote:
Nathan Kurz <[EMAIL PROTECTED]> wrote:
SELECT uid, match("complex", "function", vector) AS match FROM vectors
ORDER BY match DESC LIMIT 20;
SELECT uid, mx FROM
(SELECT uid, match(...) AS mx FROM vectors LIMIT -1)
ORDER BY mx DESC LIMIT 20;
The LIMIT -1 on
Dennis Cote wrote:
I think both of these proposed changes are useful enhancements to SQLite.
I also think it would be better to add a new sqlite3_step_v2() API
function that does this. This will eliminate the need to change the base
version number, since existing code can continue to use the
Henry Miller wrote:
As for 5/2, my grade school teachers taught me that if I round it at
all, the answer is 3, NEVER 2. It is only latter in life that I
learned about bankers rounding which sometimes is 2, sometimes 3.I
have never seen a justification for rounding to 2, except for the
Edward Wilson wrote:
What I was trying to say was: with other db products the drivers (or something
somewhere)
calculated the number of rows returned in a query automagicly. I have never
had to do anything
'extra' to get the number of rows in a query other than
resultset-object.rowcout -
Ken & Deb Allen wrote:
I had a quick look at some of the code, but I am not certain whether
all, or even most, of these warnings can be safely ignored or not. I
tried modifying the code to add explicit casts to eliminate all of the
warnings, which worked, but I do not know whether or not
Martin Engelschalk wrote:
The problem seems to be that sqlite makes a difference between an empty
string and a null value.
s/sqlite/SQL/
The SQL standards all say that nulls never compare equal to anything,
not even other nulls. SQLite's behavior here is the correct one.
Murugan, Muthulakshmi wrote:
I have downloaded the sqlite 3.2.7. binary version for Windows. But I
found no libsqlite3.lib.
Can anyone help in this regard?
See http://www.sqlite.org/cvstrac/wiki?p=HowToCompile
This question comes up so often that it should really be included in the
FAQ.
spudse bud wrote:
I always was a big fan of phpmyadmin because when php/mysql errored I could
check table/field names etc to see where my script goes wrong.
I am wondering if a easy tool exsists for SQLite, that just lists the tables
and fields in a database. I have tried sqlitemanager, but I
Chris Gurtler wrote:
I'm pretty new to SQLite, and am just looking for a few pointers on SQL
queries, this is an example of a query from a crapy MS Access database
that I want to convert to SQLite, but it fails. it says c.group_id does
not exist.
I'm wondering if anyone has got some tips on
Edzard Pasma wrote:
There is a difference in the behaviour of GROUP BY in version 3.2.6. If you group by a column that
contains NULL values, each NULL value comes on a seperate output line. Conceptually not so bad, if
we read NULL as "unknown" and not as "empty". But I guess it is an error.
Edzard Pasma wrote:
I found a number where the ROUND () function goes wrong:
SQLite version 3.2.5
Enter ".help" for instructions
sqlite> select round (9.95, 1);
:.0
I get 9.9 (running on Win98, compiled with MingW).
Are there any (hehe) plans to implement the ALL and ANY keywords for
testing against subqueries?
Rasmus Christian Kaae wrote:
I was wondering if there was some way of merging to tables *fast* for querying?
I have the following schemas:
CREATE TABLE a (term text, location blob);
CREATE TABLE b (term text, location blob);
What I would like to do is to iterate through *all* records in a and
basil thomas wrote:
As for storing queries, I'm not sure how useful this feature is given
that the database engine itself is part of your program. For simple
queries your best bet is a static sqlite3_stmt object, which you prepare
once at program initiation and refer back to each time it is
[EMAIL PROTECTED] wrote:
I ended up creating a %dbh hash with $table as the index along with one
Operating System file for each table.
I was hoping there was a way not to create so many Operating System files
because of the extra Administration they require.
can you think of any way around this?
I
D. Richard Hipp wrote:
Not only CREATE statements, but also DROP and VACUUM statements
will also invalidate all previously prepared statements. Once a
prepared statement is invalidated, it must be prepared again.
And also ALTER TABLE.
[EMAIL PROTECTED] wrote:
I am running into a situation that does not make sense.
I have allocated a flat file under the Operating System as follows (notice
that autocommit is off):
$dbh = DBI->connect('dbi:SQLite:' . $dbms_file , "", "",
{ RaiseError => 1,AutoCommit =>
Al Danial wrote:
A scientific application I work with has clumsy data retrieval
options. I dumped the application's output--integer and floating
point numbers--into an SQLite database and soon after began to
enjoy the power of SQL to pull out interesting results.
The main complaint for making the
Shum [Ming Yik] wrote:
Actually Sqlite same as other SQL in return order such as sample (1)
( it seems follow the insert order when no specific order by ... )
But Sqlite break the rule (may be it is not a rule), when part of the whole
Order by string passing into the select statement ... as
Eugene Wee wrote:
As a test, I created a database containing a single table [children]. I
filled it with the names of 3 girls and 2 boys, and then tried to write
a program that selects the boys and girls separately and printed their
names.
However, I have difficulty in binding text with
George Ionescu wrote:
while trying to upgrade to sqlite 3.1.3, I've encountered the bug
described in ticket #1141 (sqlite returns the primary key's column name,
if any, instead of the ROWID column, in a query like SELECT rowid, *
FROM table).
Any idea how to fix this (if it's an easy one),
[EMAIL PROTECTED] wrote:
I used this SQL:
CREATE TABLE NewEmployees(EmployeeID INTEGER PRIMARY KEY AUTOINCREMENT,
LastName TEXT, FirstName TEXT);
and using SQLite3.exe did this
SQLite3 employees.db
.read create.sql
.exit
which created my database but no tools nor the SQLite.NET provider can
read
marco wrote:
Hi *,
Where I can find the list of the internal functions? for example:
datetime()
strftime()
All but the date/time functions are listed in func.c in a table that's
part of sqlite3RegisterBuiltinFunctions(); the date/time functions are
listed in a similar table in
Kevin Tew wrote:
Same here, except I used the sqlite_stricmp function or something like
that.
Could a maintainer do a quick grep for strcasecmp and fix this.
Thanks
Kevin
Tim Anderson wrote:
I got a linker error when building sqlite3.exe with Visual Studio .NET
2003, sqlite version 3.1.2. The
Witold Czarnecki wrote:
I just tested it on 3.0.8 and - you are right - it works.
Is there any reason to use 2.8 instead of 3.0? I use SQLite via python
(pysqlite).
3.x uses a different database file format than 2.8, and the APIs are
sufficiently different that they'd need different Python
Eric Scouten wrote:
James, thanks for that update. I've filed a new ticket for this issue,
#1096 (http://www.sqlite.org/cvstrac/tktview?tn=1096). I hope you don't
mind that I quoted your response and implementation suggestion in the
body of that ticket.
There you express some concerns about
Keith Herold wrote:
OwnerID, AString, Sequence
1, 'concatenate', 0
1, 'some', 1
1, 'strings', 2
1, 'together', 3
What I need to do is create a single string out of the AString,
Sequence pairs, for a given owner. Obviously I could do this through
some C++ code, but I would prefer to do it within
Peter Jay Salzman wrote:
Hi all,
This piece of code kept giving error messages that looked like some of my
VALUES were getting parsed by php:
sqlite_query( $handle, "
INSERT INTO course VALUES (
sqlite_escape_string($semester),
Roderick A. Anderson wrote:
So here is the issue. Inserting a single row into a SQLite2 database
doesn't work using perl on a Windows system.
I have a data in a MS SQL Server database I need to process on a Linux
box (and getting ODBC to work isn't an option at this time) so my cheat
is to
Marcel Strittmatter wrote:
Hi all
I like to have a join function that I can use in a select statement like
this:
select join(name, ',') from people;
this should produce something like this:
scott,martin,jones,adams
It is not possible to use perl or another script language. The only
language I
R S wrote:
Can an application access data from SQLite via ODBC? Didn't see
documentation on the same.
If you have an ODBC driver for SQLite, yes. The "SQLite Wrappers" page
of the wiki mentions "ODBC driver for SQLite.
http://www.ch-werner.de/sqliteodbc/;. I don't know anything about it,
Cena, Resty wrote:
How do single-file databases handle multi-table databases? Do they simply pack separate physical table files into a single file, or have they found a way to store in one table all the definition and data values of a database? Can someone un-curious-ify me? Thanks.
To see how
Steve Frierdich wrote:
The sqlite3ErrStr function is giving me a linker error when compiled.
All the other sqlite version 3_0_7 functions used compile correctly.
Sqlite is compiled in to a static library, and that library is used in a
Win32 application compiled in visual studio. The exact
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