On Fri, Nov 15, 2013 at 7:33 AM, RSmith mailto:rsm...@rsweb.co.za>> wrote:
Yes there would be a space-saving, but it is rather minimal. The real
advantage is removing one complete lookup reference
cycle from a Query...
That was my original theory too. But experimental ev
Oh and of course the space saving for simple reference tables (basic
Value-for-ref-lookups) would be great.
To be sure, this does not just affect Text Keys, but all non-INTEGER primary
keys, right?
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I'm ALWAYS looking for a faster query (Who isn't? -- Except those edge
cases where management thinks the software is broken because the query is
TOO fast and doesn't trust the results) but the loss of some common use
functionality kind of has me wondering "Why?"
Well yes but...
Firstly, using t
Pepijn & Peter - I'm not sure how this will be an issue for the sort of existing systems you describe? You will need to actually
physically change your current schemas to produce the mentioned problems, which if you don't, you have nothing to worry about. The
only people I think should plan som
Here's a thought: What does your hypothetical function return for a table
defined as follows:
CREATE TABLE strange(rowid TEXT, _rowid_ TEXT, oid TEXT);
That table has a rowid, but it is completely inaccessible to the application.
Does your function return TRUE or FALSE?
My point: I
Perhaps we should make the allowed DDL subset a part of the spec. That way we make explicit what is allowed and anything outside
of that is forbidden. Pepijn
Perhaps.
It would involve a rather large document though, one which an average user is sure to skip over but at least it provides indem
On 2013/11/16 20:02, David M. Cotter wrote:
okay i realize my requirements were wrong, here's a better summary:
the plID (playlist ID) in the song table is different (the OLD id 33), the plID
in the playlist table is the new ID 35, so i have to test them separately. the
song ID's must match
t
Thanks so much for the reply. Sorry for the ignorance, but wouldn't only the sectors (page cache) that are being written need to
be cached? And I was trying to read up on how sqlite does atomic writes, but doesn't the way sqlite handles atomic writes
guarentee that the file is *always* in a valid
I might be missing something extraordinarily obvious... but I cannot understand
the use case for this logic you have.
My first response was to just use "delete from emp where key=123" and be done
with it, who cares what the name is, right?
But then it dawned on me that you may for some reason
27;' ) OR ( name = ?2 ));
I think this is closer to the intended - thanks,
Ryan
On 2013/11/18 12:56, RSmith wrote:
I might be missing something extraordinarily obvious... but I cannot understand
the use case for this logic you have.
My first response was to just use "delete from emp w
ot sure which but between
your and my solutions both are covered though, so I hope the OP gets sorted out - if not, let us know...
On 2013/11/18 13:55, Kees Nuyt wrote:
On Mon, 18 Nov 2013 13:04:31 +0200, RSmith wrote:
Oops, misprint...
name won't be null of course, the parameter needs t
nsert ( sOriginStr(n, "'");
}
return "'" + sOriginStr + "'";
}
where "'" is a single quote enclosed in double-quotes (incase that was not
obvious)
On 2013/11/18 14:24, d b wrote:
Hi RSmith,
Thanks. Still, I could not
Thanks RSmith.
It works.
But, I am looking for single query for prepared statements. That's the
actual struggle for me.
Ok, but you give code examples that has nothing to do with prepared statements.
Giving this one last push, I iwll try to ignore all you have said and simply show the
On 2013/11/19 00:45, Nico Williams wrote:
Thinking about how SQLite3 would implement WITHOUT ROWID, it seems
logical that a set of columns to be used as the primary indexed is
required, but that they be unique shouldn't be.
..and... The implied UNIQUE constraint is just an unfortunate side-effe
On 2013/11/19 08:37, Nico Williams wrote:
More generally however, it's clear that a unique constraint is not necessary to make rowid-less tables work (see the MySQL
example), SQL doesn't require unique constraints, and it's not clear that just because you (or I) lack imagination that unique
cons
What will be the query format to export database table data into different
export format (CSV,HTML,XML,SQL) ?
This is not an SQL function.
Do you need it exported to some format once, or do you need this often (such as
providing it as a standard functionality to users?)
If you need it once
Hi Nico, thanks for the discussion - although this thread is dangerously close to becoming a stale debate rather than a helpful
forum discussion.
In this light, I will try to be brief and then fight the urge to reply again.
You still seem to try and sell the usability of non-unique tables to me,
Hi Tristan,
Do you honestly have a use-case where you do not know whether a transaction is
going to be writing to the DB or not?
I would imagine the only way this is possible is that you are doing some form of select query, and then based on the outcome, decide
whether or not to start writing
Hi SQLiteuser, is that really your name? - If so, bless your parents :)
Seriously though, it is quite legal (and also done mostly) to have several connections to a database. What you can't do is read data
WHILE another thread is writing to it in serializable mode as you are using. The table
Agreed - also some functions might not be intrinsically deterministic, but it may well be so for the duration of a query. There may
need to be some thinking on this.
I refer back to a discussion earlier (and subsequent SQLite adaption) which made a date-time reference deterministic within a sing
Ugh, my last thought was not well-formed - apologies.
When I said:
"...can add a function to replace an SQL function to improve it many times for the
specific purpose".
This would of course hardly matter if the SQL (or SQLite specifically) function was already deterministic (read: cached). My
Hi L,
You seem to be after a theory rather than an actual helpful criterion - and Richard answered questions 1, 2 and 3 all in a single
statement as far as the criterion matters. To illuminate the theory is not really possible and presupposes a wealth of preceding
information that must be know
On 2013/11/30 05:28, Igor Korot wrote:
As you can see from http://sqlite.org/c3ref/last_insert_rowid.html, it
returns sqlite3_int64, a signed 64-bit integer type. The C99 name and
I think the C++11 name for this is int64_t, which is probably what
you want, but I vaguely recall the Microsoft com
Hi Hayden,
The most usual form of percentile function (I believe) is where you have record values in a selection set (or "sample" from a
"population" for the astute statisticians), and you wish to know if you sorted them all by value, and then grouped them in clusters
of 1% so that you have a 1
The virtualization and UAC caused many a headache for unsuspecting programmers not used to the Linux way. It's a brilliant new way
they do it but they had to move from an old way to a the new way in a way that wouldn't break old Windows programs (too much).
Virtualization provided just the trick
Hi L,
This seems to be a somewhat classic case of "If your only tool is a hammer, every
job resembles a nail...".
Not only is Meta-data only a Mac thing, the ideal is non-reachable.
What I mean is: There is an infinite number of things that will kill a system, (any system), we single out the m
This list does not allow attachments - Could you upload them to a file-host
site somewhere and paste the links kindly?
Thanks,
Ryan
On 2013/12/02 13:56, Nikola Boyadjiev wrote:
Hello,
I'm very sorry, the files did not attach to the previous e-mail i sent, I
will attach them to this
There have been a few responses to your question, I count at least 3 from
different people all with working suggestions.
Are you sure you are getting the list emails? Maybe check spam folders etc.
Or are you unsatisfied with the responses?
On 2013/12/02 19:30, Hayden Livingston wrote:
Is the
On 2013/12/05 16:40, L. Wood wrote:
Could you be clear on what issue it is that you want
solved, and how your proposal solves it any better than
what is currently being done ?
L. Wood:
We are trying to find ways to avoid the corruption problem that D. Richard Hipp
outlined. See his steps (1)-(
One PIVOT-ing approach is per-item selects when you don't know the subject
value - this is an exact version of your question:
CREATE TABLE `temptest` (
`ID` INTEGER PRIMARY KEY,
`Col1` TEXT,
`Col2` TEXT,
`Col3` TEXT,
`Value` TEXT
);
INSERT INTO `temptest` (`Col1`, `Col2`, `Col3`, `Value`) V
Apologies, my mail is slow today, did not notice this thread had progressed
significantly before I posted - please ignore previous.
I'm with Igor though, the multi-table layout you now have is even less convenient than the matrix - It's equally dispersed data only
now you have to join 3 tables
I think the OP might mean the DLL downloaded from the site - which is W32, I don't think this can be linked into a 64-bit
application... can it? (I haven't attempted it).
Would the powers that be terribly mind adding a 64-bit DLL to the download list?
On 2013/12/09 16:24, Kees Nuyt wrote:
On
On 2013/12/09 15:32, Simon Slavin wrote:
First, never do this:
CREATE TABLE IF NOT EXISTS T1(F1,F2,F3,F4,SUBTOTAL);
Always define your column types. In your case you'd be using either INTEGER or
REAL.
Agreed, those Columns have TEXT affinity by default which is wholly unsuitable for numeri
ase "WHERE F1 > (5 * 0.1)" assuming the F1 column has "NONE" affinity, would the
calculation on the right have any automatic affinity, such as Numeric or Real, and would that inform the comparison?
On 2013/12/09 19:08, Richard Hipp wrote:
On Mon, Dec 9, 2013 at 11:12 AM,
On 2013/12/11 01:41, veeresh kumar wrote:
Thanks Igor and Simon for your inputs. I was under the impression that VACUUM
would also help performance since it does defragmentation.
Hi Veeresh,
Vacuum does de-fragment the database, it also amalgamates any transaction files and so on - so you a
We already discussed VACUUM, and REINDEX does pretty much what it says on the box. While there might be an arguably present
performance increase, it should be negligible - unless you are using ascending or descending indices to which I am sure reindex will
recreate the index in the proper order a
The mistake is not obvious at first (took me a few takes to figure it out) and gets obscured by the use of views. I dismantled the
views ruling out interplay by designing a query that should do the same sans the views, like this:
SELECT _key FROM
(
SELECT m.project, m.date, m.time, MIN(m._key
With this query you essentially ask the RDBMS to evaluate and supply you with the result of (X and 0) - my guess is the optimiser
pounces directly on the fact that (X and 0) will always be 0 no matter what X is so that it does not bother trying to evaluate X
which means it never has the need to r
On 2013/12/20 06:11, David Bicking wrote:
But isn't NULL and 0 a NULL? So wouldn't it need to evaluate X to determine if
it was null, and thus discover it wasn't a valid column name and return an
error?
David
It's hard to make a case for it though. I could argue both sides from first
princ
On 2013/12/20 14:09, Simon Slavin wrote:
On 20 Dec 2013, at 12:05pm, Dan Kennedy wrote:
"1 OR unknown" is not unknown, it is 1. And so on. To summarize:
sqlite> SELECT (0 AND NULL), (1 AND NULL), (0 OR NULL), (1 OR NULL);
0|null|null|1
Well if you're so smart,
(A) Anything divided by i
You are basically trying to group values where the individual values are different but each in itself accumulated in stead of
accumulated for the grouping.
Just move the scope of the grouping and use Nulls in stead of 0's, like this:
SELECT stats.which_year AS year,
SUM(CASE WHEN stats.which_mo
Boolean Logic 101 - Feel free to skip if this is not your thread!
-
In addition to other replies - Boolean logic is interesting in that it has no real arithmetic value and can have only true or false
as a value.
On 2013/12/22 09:55, Giuseppe Costanzi wrote:
I don't know if I have understood well but the statment
SUM(stats.quantity * (stats.which_month = 1))
SUM(stats.quantity * (stats.which_month = 2))
should be interpreted
SUM stats.quantity IF stats.which_month = 1 is TRUE
SUM stats.quantity IF stat
On 2013/12/22 20:53, James K. Lowden wrote:
Similarly any attribute can be Boolean if it is found to be an
attribute of an object. Giuseppe is not Boolean, but he is human and
likely male, so that: (Giuseppe = Human) is true or 1, and
(Giuseppe = Female) is false or 0.
For RDBMS and indeed mo
A field name is an identifier, not just a string, so mostly it can be done in a direct SQL statement since the very idea of a select
is that you must at least know what you are selecting for...
That said, in MySQL / PostGres (for instance) can query the schema tables where a list of all fields a
This is actually awesome to know, thanks Stephen, I always thought at least 1 step is needed - I'm going to immediately implement
this in some functions!
On 2013/12/26 13:30, Stephan Beal wrote:
There are probably a few approaches that would work, but I can think of
none quicker/more efficien
This reminds me of a plan to add RADAR dishes to cars to monitor other traffic and avoid collisions - brilliant idea but the
detrimental effect on aerodynamics and limiting size-factor of already-built garages all over the world stifled enthusiasm.
Probably "Temporary Views" would be the exact t
Sorry, this struck a bit of a sore spot with me, so I apologize for the small
rant... Feel free to completely ignore it.
You have every right challenging the views of anyone - It is welcome even (I think - cannot speak for everyone else though, but I
appreciate it). A rant however is probably
To add to other answers:
SQLite is a great DB back-end - I believe the Website at www.sqlite.org and Fossil repositories hosting the code there are all
running on SQLite (if you fancy browsing an SQLite site to compare). PHP natively supports SQLite, MySQL, Postgres and MSSQL, which
means the c
You're right :
*"*CTEs ... add exactly zero to SQLite's capability."
This is also right :
"C Language ... add exactly zero to Intel X86 processor capability".
In both case :
- "adding zero capability" to the underlying tool is a physical constraint,
- CTE (or C Language) bring capabilities to
If this is on Windows, the UAC might virtualize your file to a different folder so that Adobe Air actually sees a different file.
Try to not store DB files inside \program-files\ or other system-folders.
The actual file might be typically somewhere inside:
c:\Users\your_username\roaming\your_app
On 2014/01/05 00:03, Petite Abeille wrote:
Things change. Syntax evolves. Languages matures, even SQL. The ‘with’ clause is a change for the better. As is merge. As are
windowing functions. SQLite cannot pretend it’s 1986 forever. It has to move with the times or it will become ossified, obsolet
On 2014/01/22 23:33, dean gwilliam wrote:
I'm just wondering what my options are here?
Any advice much appreciated.
Firstly, high-five on using D5 - All the High-speed Pascal/C /Assembler coding goodness with none of the fat (as far as 32-bit goes
anyway) - I use it all the time for critical/s
Just for my edification, what is the limit on the number of SQL parameters?
Today I hit "too may SQL variables" with about 1400…
Just for our edification, which kind of statement was that?
The worst kind
:)
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I know this is a Database forum (as opposed to a language forum) but kindly allow me a quick interjection here since I have met this
question many times, as posed by Scott in a forum question:
On 2014/02/01 06:01, Scott Robison wrote:
Exerpt: ...// *and* information that led to creation of ideal
rddictionaries.com/definition/english/index
http://www.worldwidewords.org/qa/qa-ind2.htm
On 2014/02/01 13:43, Richard Hipp wrote:
On Sat, Feb 1, 2014 at 5:59 AM, RSmith mailto:rsm...@rsweb.co.za>> wrote:
I know this is a Database forum (as opposed to a language forum) but kindly
A database that is geared for 32TB size and you are concerned about rather insignificant space wasted by the page size that is
needed to reach the 32TB max size... does not make any sense unless you are simply paranoid about space. Removing the gaps in the
table space when deleting a row (or row
Hi Raheel,
It does make sense what you would like to do, but your concern does not make sense. You say you are "trying to optimize the
utilization of the free space available" but give no indication why, it certainly does not seem that space is a problem.
I do understand the urge to optimize v
One way of doing it:
SELECT IFNULL(V1.name,V2.name) AS VName, CASE WHEN V1.name=V2.name THEN 0 ELSE
-1 END AS VInd
FROM v AS V1
LEFT JOIN v AS V2 ON (V1.vid<>V2.vid) AND (V1.name=V2.name)
WHERE V1.vid=1
UNION
SELECT IFNULL(V1.name,V2.name) AS VName, CASE WHEN V1.name=V2.name THEN 0 ELSE
1 EN
Yeah I quite like some of the solutions posted - got to love this list :)
One final optimization, since those values you are looking for essentially maps to Boolean (0 and 1), this query is the smallest and
probably fastest (I think) that will produce the correct results from your table:
SELEC
Just to be clear, it isn't really "mine", just an adaption of the many
excellent contributions, from which I too have learned.
A huge pleasure and fun exercise no less!
On 2014/02/08 14:35, Stephan Beal wrote:
On Sat, Feb 8, 2014 at 12:39 PM, RSmith wrote:
SELECT name, max(v
On 2014/02/08 19:30, Raheel Gupta wrote:
@Simon, Sir I dont want to rearrange the data.
I will try to explain more.
All my rows have the exact same size. They will not differ in size.
My problem is due to the fact that I use 64kB page size.
My rows are exactly 8 Bytes + 4096 Bytes.
Now for the
On 2014/02/09 12:06, Raheel Gupta wrote:
Hi,
Sir, I have only one auto increment primary key.
Since the new rows will always have a higher number will the pages
which have some free space by deleting rows with lower numbered keys never
be reused ? e.g. If row with ROWID "1" was deleted and free
On 2014/02/09 13:18, Constantine Yannakopoulos wrote:
Hello all,
I have a case where the user needs to perform a search in a text column of
a table with many rows. Typically the user enters the first n matching
characters as a search string and the application issues a SELECT statement
that use
On 2014/02/10 18:22, John McKown wrote:
Being a UNIX (Linux) partisan, and somewhat tacky towards Windows users,
why not go the normal Windows route of having a "pop up" dialog box (or at
least a message) similar to what normal Windows applications say about
possible loss of data. Something alon
On 2014/02/10 20:31, Petite Abeille wrote:
On Feb 10, 2014, at 4:23 PM, Richard Hipp wrote:
Proposed Change To Address The Problem:
What’s the problem exactly? CS101 students distress? That’s way beyond SQLite
reach.
My 2¢: don’t create a default persistent database. This is not helpful to
On 2014/02/10 21:18, C M wrote:
Documents\My Dropbox\myapp\gorp.db-journal) - Access is denied. (3338)
SQLITE_IOERR
SQLITE_LOG: statement aborts at 16: [SELECT resumes, start FROM
WHERE start='2014-02-07 14:24:14.064000' AND value='activity'] disk I/O
error (3338) SQLITE_IOERR
Looks like GetFi
On 2014/02/10 23:20, C M wrote:
On Mon, Feb 10, 2014 at 2:54 PM, RSmith wrote:
How to go from the error codes to the diagnosis? I think the logic is as
follows:
[lots of snipping]
Thanks for this insight.
I purposefully put the SQlite database file in the Dropbox folder because
it was
On 2014/02/10 23:40, Stephen Chrzanowski wrote:
Personally, I don't buy that DropBox is the culprit as I've done this kind
of thing a few times in a few applications of my own, however, I'm the
single user that works on that single account, and any app that uses DB is
usually under development a
On 2014/02/11 20:07, Gert Van Assche wrote:
All,
Does anyone know if it is possible for a date field to be automatically
incremented with a month when a new record is created?
If the last row contains "2013-01-01" in the DateField then the DateField
of the new row should automaticllay be "2013
On 2014/02/12 10:09, Stephen Chrzanowski wrote:
The other thing I'd look into is that because of the varying speeds of SD,
the volume of information you could be writing, you may run into an issue
where you call the backup API but due to write speeds, something else
writes to the live in-memory
On 2014/02/13 22:35, Petite Abeille wrote:
While we are at it, www.sqlite.org exhibits many validation errors:
http://validator.w3.org/check?uri=http%3A%2F%2Fwww.sqlite.org%2F&charset=%28detect+automatically%29&doctype=Inline&group=0&user-agent=W3C_Validator%2F1.3+http%3A%2F%2Fvalidator.w3.org%2
On 2014/02/17 09:59, Max Vlasov wrote:
Ok, I hope I found the topic, the title was
"racing with date('now') (was: Select with dates):
one of the links to the archive
https://www.mail-archive.com/sqlite-users@sqlite.org/msg79456.html
CMIIW, but as I see it, the final modification was comm
On 2014/02/17 18:47, Stephan Beal wrote:
Hi, all,
Regarding SQLITE_DETERMINISTIC:
http://www.sqlite.org/c3ref/create_function.html
does specifying that flag guaranty that sqlite3 will only call my
"deterministic" function one time during any given SQL statement, or must
my function actually g
On 2014/02/17 19:01, Stephan Beal wrote:
On Mon, Feb 17, 2014 at 5:57 PM, Tim Streater wrote:
complete in a browser window, which data is then gathered up and sent
using ajax to be processed by a PHP script, which writes it to an sqlite
db. The user complains that some of this data doesn't ma
Forgot to add: My headache was essentially UTF-8 encoding, but the same would happen with others, though invalid chars do not really
exist in UTF7 or ANSI, but in the higher level encodings they are plentiful.
On 2014/02/17 19:35, RSmith wrote:
Yeah, I too have had real problems with this
Ensure you store the string representation of the reals (floats w/e) of precise
numerical format and length, such that:
0.3, 12 and 1.456 all look alike and sorts correct ex:
"000.30" and
"001.456000" and
"012.00" etc.
or whatever similar format you may choose as Simon (I think) s
On 2014/02/21 11:54, _ph_ wrote:
Suggestion: Warning banner, and a .saveas command that copies the db to a
file.
(I haven't read the entire thread, sorry if this already came up.)
There is usually no call to read an entire thread, unless you decide to
actually post an opinion, in which case
On 2014/02/20 16:58, pelek wrote:
indeed ! I tried to open same file with Programers Notepad and file looked
exacly like I need. But when I was opening file in standard windows notepad
then I got whole CREATE TABLE code in one line!
It is problem for me, because I am trying to open same file wit
On 2014/02/21 20:23, David Bicking wrote:
I have a table like
SELECT * FROM T1;
Key Status
1 O
1 O
2 O
2 C
3 C
3 C
4 O
4 P
Now, I need to consolidate that data.
SELECT Key, COUNT(STATUS) Cnt
, MIN(STATUS) || CASE WHEN COUNT(STATUS)>1 THEN '+' ELSE ''
On 2014/02/22 00:32, Geo Wil wrote:
1. Windows 7 Ultimate 64-bit
2. Here is the path I am using:
void Database::openSave(bool* bErrors)
{
if (sqlite3_open("*scSave.sqlite*",&dBase) != SQLITE_OK)
{
*bErrors = true;
createBInfo();
d.createBReport("SQL Code 1",
On 2014/02/22 01:37, Geo Wil wrote:
As for the fail path issue, it is not an issue or at least it has never been for me. The way I understand it is that if you just
put the file name into a function requesting a path in Windows it will look in the folder the process is running from for that
On 2014/02/26 16:27, Richard Hipp wrote:
LOG: os_win.c:33842: (33)
winTruncate2(D:\blp\wintrv\smartclient\applications\appinfo.db-shm) -
プãƒã‚»ã‚¹ã ¯ãƒ•ã‚¡ã‚¤ãƒ«ã «ã‚¢ã‚¯ã‚»ã‚¹ã §ã 㠾㠛ん。別ã
®ãƒ—ãƒã‚»ã‚¹ã Œãƒ•ã‚¡ã‚¤ãƒ«ã ®ä¸€éƒ¨ã‚’ãƒãƒ E‚¯ã —ã,
extended-result-code: 1546
TRUNCATE fil
On 2014/02/28 17:13, Ashleigh wrote:
Nothing will load in SQLite just the command box
Not sure if this is a prophecy, a problem, a proposition or a premonition, but I am pretty confident that it isn't an SQLite process
problem.
Might you give us some more information please?
What command bo
On 2014/02/28 23:36, L. Wood wrote:
SQLite has the REAL data type:
https://www.sqlite.org/datatype3.html
Then why do we have SQLITE_FLOAT instead of SQLITE_REAL? All the other data
types (INTEGER, BLOB, TEXT, NULL) match with the SQLITE_ constants.
Quoting Shakespeare's Juliet:
"What's in a
On 2014/03/01 10:32, Darren Duncan wrote:
If you're going by semantics though, the meanings are quite different.
A real number represents a point on a line and can be either a rational or irrational number. (And a complex number is a point on
a plane.) An important bit is that a real is a m
On 2014/03/03 23:11, romtek wrote:
Simon, does a real disk have to be a rotating hard disk? Is there problem
with SSDs as far as SQLite is concerned?
No, what Simon is trying to point out is simply that the write performance experienced by L. Wood might be because journal writes
might be syn
On 2014/03/05 10:41, Dominique Devienne wrote:
On Tue, Mar 4, 2014 at 9:41 PM, Elefterios Stamatogiannakis
One thing that IMHO long term might improve the situation would be if
SQLite's own "native" tables would use the same Virtual Table API,//...
...//Of course, the above is a "naive" abstra
On 2014/03/04 22:05, Eduardo Morras wrote:
The tables have 4 rows each one, that's why I got suprised with the Out of
Memory error. The biggest row has 12KB and with the join I do, shouldn't use
more than 200KB.
Changing the ',' with the join you propose, gives Out of Memory too. It happens
On 2014/03/05 12:04, Igor Korot wrote:
Hi, ALL,
Let's say I have a table with following data:
field1field2field3 field4
12 3 4
5 6 7 8
How do I write a query which will produce the output as:
1 2
5 6
3 4
7 8
Is it possible to
On 2014/03/05 12:24, Igor Korot wrote:
With UNION I will have 2 DB hits, correct? Meaning I execute the part on the left side of the UNION and then execute the right
side of the UNION and then add the results together. Do I understand correctly? Thank you.
Yes. Obviously you need to have the
On 2014/03/05 17:05, Chris wrote:
Ok, fair enough. I thought that in the same way that sqlite looks for
binary vs. string representations of referenced vars and has alternative
ways of specifying variable to bind to ('@', ':'), it might also spot a
list object and internally expand it to "elem_
On 2014/03/06 18:41, Tilsley, Jerry M. wrote:
I would like to create the following INSTEAD OF INSERT trigger:
create trigger insteadInsertPanelTracker instead of insert on
panel_tracker begin set @ov_id = select ov_id from ov_systems where
mt_mnemonic=NEW.ov_id; insert into panel_tracker values
On 2014/03/07 01:59, Gabor Grothendieck wrote:
A small enhancement request:
It would be great if the RPAD and LPAD functions could be implemented in
sqlite.
The SQLite you can get the effect of RPAD(x,y) using PRINTF('%-*s',y,x).
See http://www.sqlite.org/lang_corefunc.html#printf for d
Have any of you kind folks a recent 3.8.3 (or newer) 64-bit DLL for SQLite3
perhaps?
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On 2014/03/11 11:58, St. B. wrote:
I still have a question. Since I have many threads (between 100 and 200)
that do reading on the table that has the R Tree, and 1 thread that will
write to another table once every five minutes, is it normal that I get
database is locked error on a regular basis
On 2014/03/13 20:02, Petite Abeille wrote:
On Mar 13, 2014, at 4:17 PM, big stone wrote:
Is there anyone else, (besides little bee), that would "like" this request?
"Oh! Oh pick me! Pick me! Me! Me! M!” — Donkey, Shrek
Hehe, I live in a Country with 11 official languages. Needless to s
I use quite a few script-type sql lists to achieve some functions in some systems, by which I basically mean I make up a list of SQL
statements and then just send them to the very convenient sqlite3_exec() function when I'm pretty sure I cannot do it any faster by
individual steps or speed is n
That's insane... well done :)
To create the Index you will need at least as much disk space as already used... so you will need another 87GB (approx), not just
another 50GB.
And it will take no longer to create the table + Index from the start than it will take to create first the table, then
is not much difference between using TEXT or VARCHAR(32) in SQLite, but it matters elsewhere and I believe even
SQLite will use that varchar value in the query optimiser... [citation needed]
On 2014/03/17 15:39, RSmith wrote:
That's insane... well done :)
To create the Index you will ne
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