Hello
MP> Anyway it's tricky because I have to tell sqlite which index to use in
MP> LIKE to fast search but I do not have to tell the index if start with
MP> % or _ because otherwise the query is not executed.. I'll handle it...
I'm not sure if other people have suggested it already, but you can
Hello
DB> Hey all, just wanted to share this in case anybody is also looking for
DB> a very simple tutorial for CTE's in sqlite:
DB>
http://blog.expensify.com/2015/09/25/the-simplest-sqlite-common-table-expression-tutorial/
Yes, that was a great introduction to recursive SQL. Last week I wrote
Hello
OK> The result consists of 4 rows, in the following order:
OK> "1""AB"
OK> "4""AB"
OK> "2""CD"
OK> "5""CD"
OK> Especially you can see that the result is sorted by column 'y'.
OK> This is reproducible and I can't understand that.
OK> When you remove the index ix_t1_y, the res
Hello
L> I know what this error/warning is. I *DO* error handling in my code. I
L> just don't want the message printed on the webpage.
You can configure PHP to log error messages, rather than display them.
Swithun.
___
sqlite-users mailing list
sqlite-
Hello
PP> Will I get any performance benefits if I directly generate the Vdbe
PP> program instead of generating the sql string ?
I think any (tiny) performance gains will be offset by the extra work
required to create the VDBE program and to keep your code up to date with
SQLite. SQL (the languag
Hello
TJM> I am trying to import some data from a csv file to an existing table
TJM> called MasterChargeList. But this is failing with the error that the
TJM> table does not exist. This is on SQLite 3.6.4 (required to use this
TJM> version). See below for details:
TJM> sqlite> .import /csv/
Hello
AO> How can I know if my email actually is being considered by other
AO> members of the list or if it was never posted?
Somehow this one made it through.
Swithun.
___
sqlite-users mailing list
sqlite-users@sqlite.org
http://sqlite.org:8080/cgi-b
Hello
EN> I have an sqlite3 db that stores user-accounts (each user has an id);
You say you have a sqlite3 database, but it looks like you are using PHP's
sqlite 2 interface. Unless you have special requirements or limilations, I
would consider using the PDO interface for sqlite3.
Why not let
Hello
SS> > I have a very large (600 mb) SQLite database file
SS> > I'm trying to convert it to MySql (.sql) file format on a windows
platform.
SS> > Does anyone know of a free conversion utility?
SS> Use any MySQL utility to dump the database as SQL commands into a text
SS> file. On a Mac I u
Hello
MS> The second index should be:
MS> CREATE INDEX IDX2 on tx(type, name ASC);
MS> What I had meant to ask was whether there is any benefit in having two
MS> indexes when one of the indexes is exactly within the other.
MS> IDX1 is index on 'name ASC' while IDX2 is an index on 'type, name AS
Hello
MS> CREATE TABLE tx (name TEXT, type INTEGER, seq INTEGER, seq_record TEXT,
MS> ...);
MS> CREATE INDEX IDX1 on tx(name ASC);
MS> CREATE INDEX IDX2 on tx(type, search_name ASC);
The two indexes cover different columns, so they do different things. The
indexes you need depend on the querie
Hello
BS> Thanks, I tried that and it gives no error, but only gives the first
BS> lot, not the bit after the union all.
Ah. I hadn't tried with data. I don't know why the LIMIT affects the UNION
ALL, when it is buried in a subquery. It doesn't affect a UNION (no ALL).
In your real data and qu
Hello
BS> select
BS> patient_id
BS> from
BS> table1
BS> where
BS> age = 50
BS> limit 6
BS> union all
BS> select
BS> patient_id
BS> from
BS> table1
BS> where
BS> age = 60
BS> limit 4
You might want to wrap the two selects with limits inside subqueries:
select patientID
from (
select patientID
Hello
> When I run a script, using sqlitejdbc-v056, with DROP, CREATE, and
> INSERT statements I get this error message "java.sql.SQLException: no
> ResultSet available". The statement actually is successful as the data
> does appear in the database.
It will be something to do with these stat
Hello
L> Thanks Swithun. I dont have any supportive column in table to issue
L> "order by". Can it be achieved by issuing an "ordr by" query on
L> "row_id" (used by sqlite internaly)?
You could, I think. But it might be better style to create an INTEGER
PRIMARY KEY AUTOINCREMENT column to do t
Hello
L> Lets assume that we have a very simple without any indexing or
L>constraints. Now we have inserted some data to the table. When we do a
L>simple "select" query, is it guranteed that the rows will be retrieved
L>in the same order as they are inserted?
No. It may look like they are bein
Hello
AR> You can also bookmark html pages.
AR> > I'm using pdf because I can comment and bookmark it to facilitate my
AR> > reading process. I'm open to any other options. But it seems that
AR> > there is no way to comment on chm (Let me know if I'm wrong). Then
AR> > probably the solution is to
Hello
GG> Could it be that the Www directory is off-limit to PHP scripts in
GG> write mode? FWIW, PDO can succesfully find and open db.sqlite:
The directory itself should be writeable by the lighttpd user, as sqlite
will want to create temporary journal files in the same directory. So
being ab
Hello
GG> I'd like to use SQLite from some PHP5 scripts, either on Linux or
GG> Linux.
A wise choice either way!
GG> What is the right way to set things up so that I can use a recent
GG> release of SQLite (apparently, the SQLite that comes with PHP by
GG> default is a 2.x release)?
If you use
Hello
z> i wonder is there RECURSIVE select function in sqlite? the background
z> for the question are: create table objects (id INTEGER PRIMARY KEY
z> AUTOINCREMENT, name text unique) create table tree(id int, child_id
z> int, PRIMARY KEY(id, child_id)) i want to draw the whole tree, is there
Hello
KR> What’s the simplest way to encrypt only certain rows in an sqlite DB?
KR> If there is no way to do this (for storing passwords etc), I would
KR> like to know the best way to encrypt the whole sqlite DB. (Prefer only
KR> encrypting some rows, but if this introduces complexity, I’m will
Hello
F Aha! now I am starting to understand the utility of that data.sqlite file!
F Thanks again, Simon, and I will look for a PHP forum. Do you know a good
F one?
I've find that the PHP manual:
http://www.php.net/manual/en/
answers almost all my questions.
Swithun.
__
Hello
PR try {
PR $dbHandle = new PDO('/Users/mymachine/sqlite:'."$user_db");
PR }
How about:
$dbHandle = new PDO('sqlite:/Users/mymachine/'."$user_db");
The sqlite: should be at the beginning of the DSN (Data Source Name), so
that PDO can recognise the name of the driver to use.
Swithun.
_
Hello
PI > change your query a bit when you use bitwise operations, in your case
when you
PI > have 'AND col_c&32' you may add 'AND col_c>=32'. now index will be used
PI col_c = 64 does pass second condition and doesn't pass first one. ;-)
PI Bitwise operators cannot be changed so easily to in
Hello
DRH The question is this: Should the no-op UPDATE statement (x=x) cause
DRH the ON UPDATE SET NULL foreign key constraint to set t2.y to NULL or
DRH not?
I think MySQL knows if a row gets actually updated. If the values in a row
don't change, then it says that no rows were updated.
I w
Hello
w I don't want the log to grow indefinitely, so I periodically call a method
w which makes the following query:
w SELECT id FROM log ORDER BY timestamp DESC LIMIT 1,999
w A DELETE query is executed on every result.
How about something like:
DELETE FROM log
WHERE id IN (SELEC
Hello
L the error is
L OperationalError: unable to open database file
L
L can anyone fix it?
L note: the db file has the 777 rights and my user has the file owner
You might need to have write access to the directory containing the
database file, as a journal file may be created temporarily in t
Hello
AR if I run this php script
AR
AR *$dbh = new PDO('sqlite:/var/www/test.sqlite');
AR $sql="INSERT INTO Test ( Nombre , IP , MAC , Descripcion_Modulo ) VALUES (
AR '2221' , '2121' , '1212' , '1212' ) ";
AR $modulo=$dbh->query($sql);
AR print_r($dbh->errorInfo()); *
AR
AR from outside SQLite
Hello
AE I have many different ways of ordering these objects. Usually using
AE several sort parameters. I need a running sum of size that works
AE regardless of what order the objects are in.
I tried creating a UDF, but it seems that ordering is done after the
unordered results have been coll
Hello
JD Is there some tool to generate scripts from SQLite database? I need to
JD create scripts (create database, create table, triggers etc.) from
JD existing database.
>From the command line tool, the command .schema will output the commands
used to create the database and all tables and t
Hello
D I'm trying to get my head around doing hierarchies in SQL. I've been
D Googling and it appears Oracle and MS SQL have some extensions to help, but
D I'm trying to figure out what can be done with 'plain' SQL.
With tree structures in table, I like to use a pair of coordinates (x and
y), w
Hello
EH Do the "a2-style" (for want of a better way of defining them) names
EH exist outside the SQL statement which defines them?
Tables and columns have fixed names, which you define when you write your
database schema, e.g.
CREATE TABLE myTable (id INT, value TEXT);
But you can give these
Hello
KN On Fri, 19 Jun 2009 13:56:52 -0400, "Rizzuto, Raymond"
KN wrote:
KN
KN > Is it possible to have a search feature for the
KN > archive?
KN
KN Which archive?
I think Raymond means the sqlite-users archive.
You could download all the txt.gz files, cat them together and then grep
for w
Hello
CL I can't know this beforehand. These are just examples, i need a generic
CL solution if possivble.
CL All i can see so far is to build a table of all special characters ever
CL used in the 24000 names of cities which make problems and remap them
CL accordingly.
How about having an ext
Hello
SC My goal is that on an insert only the insertedby value is provide. The
SC trigger will set that to the updatedby, insertedon and updatedon
SC fields. I searched the web and the only examples I could find was of
SC an AFTER INSERT, am I better off with that approach? I would think
SC
Hello
BM Whats the best way to import a large number of records ?
BM 120K+ currently stored as an XML file.
If your XML data is data-centric, then it should fit into one or more
tables quite easily.
If it can fit into one table, then you could use XSLT to convert the XML
to CSV and .import tha
Hello
p i couldn't do php -i (bash: php: command not found), may be i have to
p install the cli php?
Yes, the cli php is optional.
p $base = new PDO("sqlite:$dbname", 0666, $err)
I don't think you need the other arguments for PDO. Something like:
if ($base = new PDO("sqlite:$dbname)) {
if (
Hello
p i'm using sqlite3, but with php5 i had to install php5-sqlite. is the
p sqlite i'm using with php5 on debian version 2? could this be the
p problem? or is it something else?
PHP uses SQLite2 in its normal extension. But the PDO extension uses
SQLite3, so you can use that extension inste
38 matches
Mail list logo
