Source for file sqlite.php
Documentation is available at sqlite.php
// +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
// | API as well as database abstraction for PHP applications. |
// | This LICENSE is in the BSD license style. |
// | Redistribution and use in source and binary forms, with or without |
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// | Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission. |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// +----------------------------------------------------------------------+
// | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
// $Id: sqlite.php 327310 2012-08-27 15:16:18Z danielc $
require_once 'MDB2/Driver/Function/Common.php';
* MDB2 SQLite driver for the function modules
* @author Lukas Smith <smith@pooteeweet.org>
parent ::__construct ($db_index);
// create all sorts of UDFs
* Return string to call a variable with the current timestamp inside an SQL statement
* There are three special variables for current date and time.
* @return string to call a variable with the current timestamp
function now($type = 'timestamp')
return 'datetime(\'now\')';
* return string to call a function to get the unix timestamp from a iso timestamp
* @param string $expression
* @return string to call a variable with the timestamp
return 'strftime("%s",'. $expression. ', "utc")';
* return string to call a function to get a substring inside an SQL statement
* @return string to call a function to get a substring
function substring($value, $position = 1 , $length = null )
return " substr($value, $position, $length)";
return " substr($value, $position, length($value))";
* return string to call a function to get random value inside an SQL statement
* @return return string to generate float between 0 and 1
return '((RANDOM()+2147483648)/4294967296)';
* return string to call a function to get a replacement inside an SQL statement.
* @return string to call a function to get a replace
function replace($str, $from_str, $to_str)
$db = $this->getDBInstance ();
if (MDB2 ::isError ($db)) {
$error = $db->raiseError (MDB2_ERROR_UNSUPPORTED , null , null ,
'method not implemented', __FUNCTION__ );
Documentation generated on Mon, 11 Mar 2019 15:51:25 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
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