mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 19:38:26 +00:00
ee8d12c939
Making the tests pass by just changing the start and end quotes. Providing "created" values for CakeTestFixtureTestFixture Fixture. git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@8262 3807eeeb-6ff5-0310-8944-8be069107fe0
718 lines
No EOL
20 KiB
PHP
718 lines
No EOL
20 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* MS SQL layer for DBO
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*
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* Long description for file
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
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* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.model.datasources.dbo
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* @since CakePHP(tm) v 0.10.5.1790
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Short description for class.
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*
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* Long description for class
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*
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* @package cake
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* @subpackage cake.cake.libs.model.datasources.dbo
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*/
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class DboMssql extends DboSource {
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/**
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* Driver description
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*
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* @var string
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*/
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var $description = "MS SQL DBO Driver";
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/**
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* Starting quote character for quoted identifiers
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*
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* @var string
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*/
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var $startQuote = "[";
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/**
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* Ending quote character for quoted identifiers
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*
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* @var string
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*/
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var $endQuote = "]";
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/**
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* Creates a map between field aliases and numeric indexes. Workaround for the
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* SQL Server driver's 30-character column name limitation.
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*
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* @var array
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*/
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var $__fieldMappings = array();
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/**
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* Base configuration settings for MS SQL driver
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*
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* @var array
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*/
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var $_baseConfig = array(
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'persistent' => true,
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'host' => 'localhost',
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'login' => 'root',
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'password' => '',
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'database' => 'cake',
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'port' => '1433',
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);
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/**
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* MS SQL column definition
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*
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* @var array
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*/
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var $columns = array(
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'primary_key' => array('name' => 'IDENTITY (1, 1) NOT NULL'),
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'string' => array('name' => 'varchar', 'limit' => '255'),
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'text' => array('name' => 'text'),
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'integer' => array('name' => 'int', 'formatter' => 'intval'),
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'float' => array('name' => 'numeric', 'formatter' => 'floatval'),
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'datetime' => array('name' => 'datetime', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'),
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'timestamp' => array('name' => 'timestamp', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'),
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'time' => array('name' => 'datetime', 'format' => 'H:i:s', 'formatter' => 'date'),
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'date' => array('name' => 'datetime', 'format' => 'Y-m-d', 'formatter' => 'date'),
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'binary' => array('name' => 'image'),
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'boolean' => array('name' => 'bit')
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);
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/**
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* Index of basic SQL commands
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*
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* @var array
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* @access protected
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*/
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var $_commands = array(
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'begin' => 'BEGIN TRANSACTION',
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'commit' => 'COMMIT',
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'rollback' => 'ROLLBACK'
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);
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/**
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* MS SQL DBO driver constructor; sets SQL Server error reporting defaults
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*
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* @param array $config Configuration data from app/config/databases.php
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* @return boolean True if connected successfully, false on error
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*/
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function __construct($config, $autoConnect = true) {
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if ($autoConnect) {
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if (!function_exists('mssql_min_message_severity')) {
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trigger_error("PHP SQL Server interface is not installed, cannot continue. For troubleshooting information, see http://php.net/mssql/", E_USER_WARNING);
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}
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mssql_min_message_severity(15);
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mssql_min_error_severity(2);
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}
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return parent::__construct($config, $autoConnect);
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}
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/**
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* Connects to the database using options in the given configuration array.
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*
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* @return boolean True if the database could be connected, else false
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*/
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function connect() {
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$config = $this->config;
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$os = env('OS');
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if (!empty($os) && strpos($os, 'Windows') !== false) {
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$sep = ',';
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} else {
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$sep = ':';
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}
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$this->connected = false;
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if (is_numeric($config['port'])) {
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$port = $sep . $config['port']; // Port number
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} elseif ($config['port'] === null) {
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$port = ''; // No port - SQL Server 2005
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} else {
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$port = '\\' . $config['port']; // Named pipe
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}
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if (!$config['persistent']) {
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$this->connection = mssql_connect($config['host'] . $port, $config['login'], $config['password'], true);
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} else {
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$this->connection = mssql_pconnect($config['host'] . $port, $config['login'], $config['password']);
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}
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if (mssql_select_db($config['database'], $this->connection)) {
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$this->_execute("SET DATEFORMAT ymd");
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$this->connected = true;
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}
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return $this->connected;
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}
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/**
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* Disconnects from database.
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*
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* @return boolean True if the database could be disconnected, else false
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*/
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function disconnect() {
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@mssql_free_result($this->results);
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$this->connected = !@mssql_close($this->connection);
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return !$this->connected;
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}
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/**
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* Executes given SQL statement.
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*
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* @param string $sql SQL statement
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* @return resource Result resource identifier
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* @access protected
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*/
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function _execute($sql) {
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return mssql_query($sql, $this->connection);
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}
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/**
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* Returns an array of sources (tables) in the database.
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*
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* @return array Array of tablenames in the database
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*/
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function listSources() {
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$cache = parent::listSources();
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if ($cache != null) {
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return $cache;
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}
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$result = $this->fetchAll('SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES', false);
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if (!$result || empty($result)) {
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return array();
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} else {
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$tables = array();
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foreach ($result as $table) {
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$tables[] = $table[0]['TABLE_NAME'];
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}
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parent::listSources($tables);
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return $tables;
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}
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}
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/**
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* Returns an array of the fields in given table name.
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*
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* @param Model $model Model object to describe
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* @return array Fields in table. Keys are name and type
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*/
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function describe(&$model) {
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$cache = parent::describe($model);
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if ($cache != null) {
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return $cache;
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}
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$table = $this->fullTableName($model, false);
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$cols = $this->fetchAll("SELECT COLUMN_NAME as Field, DATA_TYPE as Type, COL_LENGTH('" . $table . "', COLUMN_NAME) as Length, IS_NULLABLE As [Null], COLUMN_DEFAULT as [Default], COLUMNPROPERTY(OBJECT_ID('" . $table . "'), COLUMN_NAME, 'IsIdentity') as [Key], NUMERIC_SCALE as Size FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '" . $table . "'", false);
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$fields = false;
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foreach ($cols as $column) {
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$field = $column[0]['Field'];
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$fields[$field] = array(
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'type' => $this->column($column[0]['Type']),
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'null' => (strtoupper($column[0]['Null']) == 'YES'),
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'default' => preg_replace("/^[(]{1,2}'?([^')]*)?'?[)]{1,2}$/", "$1", $column[0]['Default']),
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'length' => intval($column[0]['Length']),
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'key' => ($column[0]['Key'] == '1') ? 'primary' : false
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);
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if ($fields[$field]['default'] === 'null') {
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$fields[$field]['default'] = null;
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} else {
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$this->value($fields[$field]['default'], $fields[$field]['type']);
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}
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if ($fields[$field]['key'] && $fields[$field]['type'] == 'integer') {
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$fields[$field]['length'] = 11;
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} elseif (!$fields[$field]['key']) {
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unset($fields[$field]['key']);
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}
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if (in_array($fields[$field]['type'], array('date', 'time', 'datetime', 'timestamp'))) {
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$fields[$field]['length'] = null;
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}
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}
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$this->__cacheDescription($this->fullTableName($model, false), $fields);
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return $fields;
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}
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/**
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* Returns a quoted and escaped string of $data for use in an SQL statement.
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*
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* @param string $data String to be prepared for use in an SQL statement
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* @param string $column The column into which this data will be inserted
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* @param boolean $safe Whether or not numeric data should be handled automagically if no column data is provided
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* @return string Quoted and escaped data
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*/
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function value($data, $column = null, $safe = false) {
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$parent = parent::value($data, $column, $safe);
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if ($parent != null) {
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return $parent;
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}
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if ($data === null) {
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return 'NULL';
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}
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if ($data === '') {
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return "''";
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}
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switch ($column) {
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case 'boolean':
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$data = $this->boolean((bool)$data);
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break;
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default:
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if (get_magic_quotes_gpc()) {
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$data = stripslashes(str_replace("'", "''", $data));
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} else {
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$data = str_replace("'", "''", $data);
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}
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break;
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}
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if (in_array($column, array('integer', 'float', 'binary')) && is_numeric($data)) {
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return $data;
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}
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return "'" . $data . "'";
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}
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/**
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* Generates the fields list of an SQL query.
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*
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* @param Model $model
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* @param string $alias Alias tablename
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* @param mixed $fields
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* @return array
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*/
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function fields(&$model, $alias = null, $fields = array(), $quote = true) {
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if (empty($alias)) {
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$alias = $model->alias;
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}
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$fields = parent::fields($model, $alias, $fields, false);
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$count = count($fields);
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if ($count >= 1 && $fields[0] != '*' && strpos($fields[0], 'COUNT(*)') === false) {
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for ($i = 0; $i < $count; $i++) {
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$prepend = '';
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if (strpos($fields[$i], 'DISTINCT') !== false) {
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$prepend = 'DISTINCT ';
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$fields[$i] = trim(str_replace('DISTINCT', '', $fields[$i]));
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}
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$fieldAlias = count($this->__fieldMappings);
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if (!preg_match('/\s+AS\s+/i', $fields[$i])) {
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if (strpos($fields[$i], '.') === false) {
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$this->__fieldMappings[$alias . '__' . $fieldAlias] = $alias . '.' . $fields[$i];
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$fieldName = $this->name($alias . '.' . $fields[$i]);
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$fieldAlias = $this->name($alias . '__' . $fieldAlias);
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} else {
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$build = explode('.', $fields[$i]);
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$this->__fieldMappings[$build[0] . '__' . $fieldAlias] = $fields[$i];
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$fieldName = $this->name($build[0] . '.' . $build[1]);
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$fieldAlias = $this->name(preg_replace("/^\[(.+)\]$/", "$1", $build[0]) . '__' . $fieldAlias);
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}
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if ($model->getColumnType($fields[$i]) == 'datetime') {
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$fieldName = "CONVERT(VARCHAR(20), {$fieldName}, 20)";
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}
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$fields[$i] = "{$fieldName} AS {$fieldAlias}";
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}
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$fields[$i] = $prepend . $fields[$i];
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}
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}
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return $fields;
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}
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/**
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* Generates and executes an SQL INSERT statement for given model, fields, and values.
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* Removes Identity (primary key) column from update data before returning to parent, if
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* value is empty.
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*
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* @param Model $model
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* @param array $fields
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* @param array $values
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* @param mixed $conditions
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* @return array
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*/
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function create(&$model, $fields = null, $values = null) {
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if (!empty($values)) {
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$fields = array_combine($fields, $values);
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}
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$primaryKey = $this->_getPrimaryKey($model);
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if (array_key_exists($primaryKey, $fields)) {
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if (empty($fields[$primaryKey])) {
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unset($fields[$primaryKey]);
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} else {
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$this->_execute('SET IDENTITY_INSERT ' . $this->fullTableName($model) . ' ON');
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}
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}
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$result = parent::create($model, array_keys($fields), array_values($fields));
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if (array_key_exists($primaryKey, $fields) && !empty($fields[$primaryKey])) {
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$this->_execute('SET IDENTITY_INSERT ' . $this->fullTableName($model) . ' OFF');
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}
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return $result;
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}
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/**
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* Generates and executes an SQL UPDATE statement for given model, fields, and values.
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* Removes Identity (primary key) column from update data before returning to parent.
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*
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* @param Model $model
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* @param array $fields
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* @param array $values
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* @param mixed $conditions
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* @return array
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*/
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function update(&$model, $fields = array(), $values = null, $conditions = null) {
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if (!empty($values)) {
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$fields = array_combine($fields, $values);
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}
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if (isset($fields[$model->primaryKey])) {
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unset($fields[$model->primaryKey]);
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}
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return parent::update($model, array_keys($fields), array_values($fields), $conditions);
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}
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/**
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* Returns a formatted error message from previous database operation.
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*
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* @return string Error message with error number
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*/
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function lastError() {
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$error = mssql_get_last_message($this->connection);
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if ($error) {
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if (!preg_match('/contexto de la base de datos a|contesto di database|changed database|datenbankkontext/i', $error)) {
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return $error;
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}
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}
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return null;
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}
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/**
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* Returns number of affected rows in previous database operation. If no previous operation exists,
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* this returns false.
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*
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* @return integer Number of affected rows
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*/
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function lastAffected() {
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if ($this->_result) {
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return mssql_rows_affected($this->connection);
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}
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return null;
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}
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/**
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* Returns number of rows in previous resultset. If no previous resultset exists,
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* this returns false.
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*
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* @return integer Number of rows in resultset
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*/
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function lastNumRows() {
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if ($this->_result) {
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return @mssql_num_rows($this->_result);
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}
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return null;
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}
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/**
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* Returns the ID generated from the previous INSERT operation.
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*
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* @param unknown_type $source
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* @return in
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*/
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function lastInsertId($source = null) {
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$id = $this->fetchRow('SELECT SCOPE_IDENTITY() AS insertID', false);
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return $id[0]['insertID'];
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}
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/**
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* Returns a limit statement in the correct format for the particular database.
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*
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* @param integer $limit Limit of results returned
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* @param integer $offset Offset from which to start results
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* @return string SQL limit/offset statement
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*/
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function limit($limit, $offset = null) {
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if ($limit) {
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$rt = '';
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if (!strpos(strtolower($limit), 'top') || strpos(strtolower($limit), 'top') === 0) {
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$rt = ' TOP';
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}
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$rt .= ' ' . $limit;
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if (is_int($offset) && $offset > 0) {
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$rt .= ' OFFSET ' . $offset;
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}
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return $rt;
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}
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return null;
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}
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/**
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* Converts database-layer column types to basic types
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*
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* @param string $real Real database-layer column type (i.e. "varchar(255)")
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* @return string Abstract column type (i.e. "string")
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*/
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function column($real) {
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if (is_array($real)) {
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$col = $real['name'];
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if (isset($real['limit'])) {
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$col .= '(' . $real['limit'] . ')';
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}
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return $col;
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}
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$col = str_replace(')', '', $real);
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$limit = null;
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if (strpos($col, '(') !== false) {
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list($col, $limit) = explode('(', $col);
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}
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if (in_array($col, array('date', 'time', 'datetime', 'timestamp'))) {
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return $col;
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}
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if ($col == 'bit') {
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return 'boolean';
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}
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if (strpos($col, 'int') !== false) {
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return 'integer';
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}
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if (strpos($col, 'char') !== false) {
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return 'string';
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}
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if (strpos($col, 'text') !== false) {
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return 'text';
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}
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if (strpos($col, 'binary') !== false || $col == 'image') {
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return 'binary';
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}
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if (in_array($col, array('float', 'real', 'decimal', 'numeric'))) {
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return 'float';
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}
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return 'text';
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}
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/**
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* Enter description here...
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*
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* @param unknown_type $results
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*/
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function resultSet(&$results) {
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$this->results =& $results;
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$this->map = array();
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$numFields = mssql_num_fields($results);
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$index = 0;
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$j = 0;
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while ($j < $numFields) {
|
|
$column = mssql_field_name($results, $j);
|
|
|
|
if (strpos($column, '__')) {
|
|
if (isset($this->__fieldMappings[$column]) && strpos($this->__fieldMappings[$column], '.')) {
|
|
$map = explode('.', $this->__fieldMappings[$column]);
|
|
} elseif (isset($this->__fieldMappings[$column])) {
|
|
$map = array(0, $this->__fieldMappings[$column]);
|
|
} else {
|
|
$map = array(0, $column);
|
|
}
|
|
$this->map[$index++] = $map;
|
|
} else {
|
|
$this->map[$index++] = array(0, $column);
|
|
}
|
|
$j++;
|
|
}
|
|
}
|
|
/**
|
|
* Builds final SQL statement
|
|
*
|
|
* @param string $type Query type
|
|
* @param array $data Query data
|
|
* @return string
|
|
*/
|
|
function renderStatement($type, $data) {
|
|
switch (strtolower($type)) {
|
|
case 'select':
|
|
extract($data);
|
|
$fields = trim($fields);
|
|
|
|
if (strpos($limit, 'TOP') !== false && strpos($fields, 'DISTINCT ') === 0) {
|
|
$limit = 'DISTINCT ' . trim($limit);
|
|
$fields = substr($fields, 9);
|
|
}
|
|
|
|
if (preg_match('/offset\s+([0-9]+)/i', $limit, $offset)) {
|
|
$limit = preg_replace('/\s*offset.*$/i', '', $limit);
|
|
preg_match('/top\s+([0-9]+)/i', $limit, $limitVal);
|
|
$offset = intval($offset[1]) + intval($limitVal[1]);
|
|
$rOrder = $this->__switchSort($order);
|
|
list($order2, $rOrder) = array($this->__mapFields($order), $this->__mapFields($rOrder));
|
|
return "SELECT * FROM (SELECT {$limit} * FROM (SELECT TOP {$offset} {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$group} {$order}) AS Set1 {$rOrder}) AS Set2 {$order2}";
|
|
} else {
|
|
return "SELECT {$limit} {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$group} {$order}";
|
|
}
|
|
break;
|
|
case "schema":
|
|
extract($data);
|
|
|
|
foreach ($indexes as $i => $index) {
|
|
if (preg_match('/PRIMARY KEY/', $index)) {
|
|
unset($indexes[$i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
foreach (array('columns', 'indexes') as $var) {
|
|
if (is_array(${$var})) {
|
|
${$var} = "\t" . join(",\n\t", array_filter(${$var}));
|
|
}
|
|
}
|
|
return "CREATE TABLE {$table} (\n{$columns});\n{$indexes}";
|
|
break;
|
|
default:
|
|
return parent::renderStatement($type, $data);
|
|
break;
|
|
}
|
|
}
|
|
/**
|
|
* Reverses the sort direction of ORDER statements to get paging offsets to work correctly
|
|
*
|
|
* @param string $order
|
|
* @return string
|
|
* @access private
|
|
*/
|
|
function __switchSort($order) {
|
|
$order = preg_replace('/\s+ASC/i', '__tmp_asc__', $order);
|
|
$order = preg_replace('/\s+DESC/i', ' ASC', $order);
|
|
return preg_replace('/__tmp_asc__/', ' DESC', $order);
|
|
}
|
|
/**
|
|
* Translates field names used for filtering and sorting to shortened names using the field map
|
|
*
|
|
* @param string $sql A snippet of SQL representing an ORDER or WHERE statement
|
|
* @return string The value of $sql with field names replaced
|
|
* @access private
|
|
*/
|
|
function __mapFields($sql) {
|
|
if (empty($sql) || empty($this->__fieldMappings)) {
|
|
return $sql;
|
|
}
|
|
foreach ($this->__fieldMappings as $key => $val) {
|
|
$sql = preg_replace('/' . preg_quote($val) . '/', $this->name($key), $sql);
|
|
$sql = preg_replace('/' . preg_quote($this->name($val)) . '/', $this->name($key), $sql);
|
|
}
|
|
return $sql;
|
|
}
|
|
/**
|
|
* Returns an array of all result rows for a given SQL query.
|
|
* Returns false if no rows matched.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @param boolean $cache Enables returning/storing cached query results
|
|
* @return array Array of resultset rows, or false if no rows matched
|
|
*/
|
|
function read(&$model, $queryData = array(), $recursive = null) {
|
|
$results = parent::read($model, $queryData, $recursive);
|
|
$this->__fieldMappings = array();
|
|
return $results;
|
|
}
|
|
/**
|
|
* Fetches the next row from the current result set
|
|
*
|
|
* @return unknown
|
|
*/
|
|
function fetchResult() {
|
|
if ($row = mssql_fetch_row($this->results)) {
|
|
$resultRow = array();
|
|
$i = 0;
|
|
|
|
foreach ($row as $index => $field) {
|
|
list($table, $column) = $this->map[$index];
|
|
$resultRow[$table][$column] = $row[$index];
|
|
$i++;
|
|
}
|
|
return $resultRow;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Inserts multiple values into a table
|
|
*
|
|
* @param string $table
|
|
* @param string $fields
|
|
* @param array $values
|
|
* @access protected
|
|
*/
|
|
function insertMulti($table, $fields, $values) {
|
|
$primaryKey = $this->_getPrimaryKey($table);
|
|
$hasPrimaryKey = $primaryKey != null && (
|
|
(is_array($fields) && in_array($primaryKey, $fields)
|
|
|| (is_string($fields) && strpos($fields, $this->startQuote . $primaryKey . $this->endQuote) !== false))
|
|
);
|
|
|
|
if ($hasPrimaryKey) {
|
|
$this->_execute('SET IDENTITY_INSERT ' . $this->fullTableName($table) . ' ON');
|
|
}
|
|
parent::insertMulti($table, $fields, $values);
|
|
if ($hasPrimaryKey) {
|
|
$this->_execute('SET IDENTITY_INSERT ' . $this->fullTableName($table) . ' OFF');
|
|
}
|
|
}
|
|
/**
|
|
* Generate a database-native column schema string
|
|
*
|
|
* @param array $column An array structured like the following: array('name'=>'value', 'type'=>'value'[, options]),
|
|
* where options can be 'default', 'length', or 'key'.
|
|
* @return string
|
|
*/
|
|
function buildColumn($column) {
|
|
return preg_replace('/(int|integer)\([0-9]+\)/i', '$1', parent::buildColumn($column));
|
|
}
|
|
/**
|
|
* Format indexes for create table
|
|
*
|
|
* @param array $indexes
|
|
* @param string $table
|
|
* @return string
|
|
*/
|
|
function buildIndex($indexes, $table = null) {
|
|
$join = array();
|
|
|
|
foreach ($indexes as $name => $value) {
|
|
if ($name == 'PRIMARY') {
|
|
$out = 'PRIMARY KEY (' . $this->name($value['column']) . ')';
|
|
} else {
|
|
$out = "ALTER TABLE {$table} ADD CONSTRAINT {$name} UNIQUE";
|
|
|
|
if (is_array($value['column'])) {
|
|
$value['column'] = join(', ', array_map(array(&$this, 'name'), $value['column']));
|
|
} else {
|
|
$value['column'] = $this->name($value['column']);
|
|
}
|
|
$out .= "({$value['column']});";
|
|
}
|
|
$join[] = $out;
|
|
}
|
|
return $join;
|
|
}
|
|
/**
|
|
* Makes sure it will return the primary key
|
|
*
|
|
* @param mixed $model
|
|
* @access protected
|
|
* @return string
|
|
*/
|
|
function _getPrimaryKey($model) {
|
|
if (is_object($model)) {
|
|
$schema = $model->schema();
|
|
} else {
|
|
$schema = $this->describe($model);
|
|
}
|
|
|
|
foreach ($schema as $field => $props) {
|
|
if (isset($props['key']) && $props['key'] == 'primary') {
|
|
return $field;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
?>
|