Source for file Mssql.php
Documentation is available at Mssql.php
* $Id: Mssql.php 1917 2007-07-01 11:27:45Z zYne $
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
* Doctrine_Expression_Mssql
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @version $Revision: 1917 $
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* Return string to call a variable with the current timestamp inside an SQL statement
* There are three special variables for current date and time:
* - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)
* - CURRENT_DATE (date, DATE type)
* - CURRENT_TIME (time, TIME type)
* @return string to call a variable with the current timestamp
public function now($type =
'timestamp')
* return string to call a function to get a substring inside an SQL statement
* @return string to call a function to get a substring
public function substring($value, $position, $length =
null)
return 'SUBSTRING(' .
$value .
', ' .
$position .
', ' .
$length .
')';
return 'SUBSTRING(' .
$value .
', ' .
$position .
', LEN(' .
$value .
') - ' .
$position .
' + 1)';
* Returns string to concatenate two or more string parameters
* @param string $values...
* @return string to concatenate two strings
return '(' .
implode(' + ', $args) .
')';
* Returns global unique identifier
* @return string to get global unique identifier