mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-12-25 15:07:23 +00:00
580 lines
No EOL
14 KiB
PHP
580 lines
No EOL
14 KiB
PHP
<?php
|
|
/* SVN FILE: $Id$ */
|
|
|
|
/**
|
|
* MS SQL layer for DBO
|
|
*
|
|
* Long description for file
|
|
*
|
|
* PHP versions 4 and 5
|
|
*
|
|
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
|
|
* Copyright (c) 2006, Cake Software Foundation, Inc.
|
|
* 1785 E. Sahara Avenue, Suite 490-204
|
|
* Las Vegas, Nevada 89104
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @filesource
|
|
* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
|
|
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.dbo
|
|
* @since CakePHP v 0.10.5.1790
|
|
* @version $Revision$
|
|
* @modifiedby $LastChangedBy$
|
|
* @lastmodified $Date$
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
|
|
*/
|
|
|
|
/**
|
|
* Include DBO.
|
|
*/
|
|
uses ('model' . DS . 'datasources' . DS . 'dbo_source');
|
|
|
|
/**
|
|
* Short description for class.
|
|
*
|
|
* Long description for class
|
|
*
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.dbo
|
|
*/
|
|
class DboMssql extends DboSource {
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $description = "MS SQL DBO Driver";
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $startQuote = "[";
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $endQuote = "]";
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $goofyLimit = true;
|
|
|
|
/**
|
|
* Base configuration settings for MS SQL driver
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_baseConfig = array('persistent' => true,
|
|
'host' => 'localhost',
|
|
'login' => 'root',
|
|
'password' => '',
|
|
'database' => 'cake',
|
|
'port' => '1433',
|
|
'connect' => 'mssql_pconnect'
|
|
);
|
|
|
|
/**
|
|
* MS SQL column definition
|
|
*
|
|
* @var array
|
|
*/
|
|
var $columns = array('primary_key' => array('name' => 'int(11) DEFAULT NULL auto_increment'),
|
|
'string' => array('name' => 'varchar', 'limit' => '255'),
|
|
'text' => array('name' => 'text'),
|
|
'integer' => array('name' => 'int', 'limit' => '11', 'formatter' => 'intval'),
|
|
'float' => array('name' => 'float', 'formatter' => 'floatval'),
|
|
'datetime' => array('name' => 'datetime', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'),
|
|
'timestamp' => array('name' => 'timestamp', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'),
|
|
'time' => array('name' => 'datetime', 'format' => 'H:i:s', 'formatter' => 'date'),
|
|
'date' => array('name' => 'datetime', 'format' => 'Y-m-d', 'formatter' => 'date'),
|
|
'binary' => array('name' => 'image'),
|
|
'boolean' => array('name' => 'bit')
|
|
);
|
|
|
|
/**
|
|
* MS SQL DBO driver constructor; sets SQL Server error reporting defaults
|
|
*
|
|
* @param array $config Configuration data from app/config/databases.php
|
|
* @return boolean True if connected successfully, false on error
|
|
*/
|
|
function __construct($config) {
|
|
mssql_min_message_severity (15);
|
|
mssql_min_error_severity (2);
|
|
return parent::__construct($config);
|
|
}
|
|
|
|
/**
|
|
* Connects to the database using options in the given configuration array.
|
|
*
|
|
* @return boolean True if the database could be connected, else false
|
|
*/
|
|
function connect() {
|
|
$config = $this->config;
|
|
$connect = $config['connect'];
|
|
|
|
$this->connected = false;
|
|
|
|
if (is_numeric($config['port'])) {
|
|
$port = ':' . $config['port']; // Port number
|
|
} else {
|
|
$port = '\\' . $config['port']; // Named pipe
|
|
}
|
|
|
|
$this->connection=$connect($config['host'] . $port, $config['login'], $config['password']);
|
|
|
|
if (mssql_select_db($config['database'], $this->connection)) {
|
|
$this->connected = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disconnects from database.
|
|
*
|
|
* @return boolean True if the database could be disconnected, else false
|
|
*/
|
|
function disconnect() {
|
|
return @mssql_close($this->connection);
|
|
}
|
|
|
|
/**
|
|
* Executes given SQL statement.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @return resource Result resource identifier
|
|
* @access protected
|
|
*/
|
|
function _execute($sql) {
|
|
return mssql_query($sql, $this->connection);
|
|
}
|
|
|
|
/**
|
|
* Returns a row from given resultset as an array .
|
|
*
|
|
* @param bool $assoc Associative array only, or both?
|
|
* @return array The fetched row as an array
|
|
*/
|
|
function fetchRow($assoc = false) {
|
|
if (is_resource($this->_result)) {
|
|
$this->resultSet($this->_result);
|
|
$resultRow = $this->fetchResult();
|
|
return $resultRow;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an array of sources (tables) in the database.
|
|
*
|
|
* @return array Array of tablenames in the database
|
|
*/
|
|
function listSources() {
|
|
$cache=parent::listSources();
|
|
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
|
|
$result = $this->fetchAll('SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES');
|
|
|
|
if (!$result || empty($result)) {
|
|
return array();
|
|
} else {
|
|
$tables=array();
|
|
|
|
foreach($result as $table) {
|
|
$tables[] = $table[0]['TABLE_NAME'];
|
|
}
|
|
|
|
parent::listSources($tables);
|
|
return $tables;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an array of the fields in given table name.
|
|
*
|
|
* @param Model $model Model object to describe
|
|
* @return array Fields in table. Keys are name and type
|
|
*/
|
|
function describe(&$model) {
|
|
$cache = parent::describe($model);
|
|
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
|
|
$fields = false;
|
|
$cols = $this->fetchAll("SELECT COLUMN_NAME as Field, DATA_TYPE as Type, COL_LENGTH('" . $model->tablePrefix . $model->table . "', COLUMN_NAME) as Length, IS_NULLABLE As [Null], COLUMN_DEFAULT as [Default], COLUMNPROPERTY(OBJECT_ID('" . $model->table . "'), COLUMN_NAME, 'IsIdentity') as [Key], NUMERIC_SCALE as Size FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '" . $model->table . "'", false);
|
|
|
|
foreach($cols as $column) {
|
|
$field = array('name' => $column[0]['Field'], 'type' => $this->column($column[0]['Type'] . $column[0]['Length']), 'null' => $column[0]['Null']);
|
|
$fields[] = $field;
|
|
}
|
|
|
|
$this->__cacheDescription($model->tablePrefix . $model->table, $fields);
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* Returns a quoted name of $data for use in an SQL statement.
|
|
*
|
|
* @param string $data Name (table.field) to be prepared for use in an SQL statement
|
|
* @return string Quoted for MS SQL
|
|
*/
|
|
function name($data) {
|
|
if ($data == '*') {
|
|
return '*';
|
|
}
|
|
|
|
$pos = strpos($data, '[');
|
|
if ($pos === false) {
|
|
$data = '[' . r('.', '].[', $data) . ']';
|
|
}
|
|
|
|
$data=r(']]', ']', r('[[', '[', $data));
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Returns a quoted and escaped string of $data for use in an SQL statement.
|
|
*
|
|
* @param string $data String to be prepared for use in an SQL statement
|
|
* @param string $column The column into which this data will be inserted
|
|
* @param boolean $safe Whether or not numeric data should be handled automagically if no column data is provided
|
|
* @return string Quoted and escaped data
|
|
*/
|
|
function value($data, $column = null, $safe = false) {
|
|
$parent = parent::value($data, $column, $safe);
|
|
|
|
if ($parent != null) {
|
|
return $parent;
|
|
}
|
|
if ($data === null) {
|
|
return 'NULL';
|
|
}
|
|
if ($data == '') {
|
|
return "''";
|
|
}
|
|
|
|
switch($column) {
|
|
case 'boolean':
|
|
$data = $this->boolean((bool)$data);
|
|
break;
|
|
default:
|
|
if (ini_get('magic_quotes_gpc') == 1) {
|
|
$data = stripslashes($data);
|
|
}
|
|
$data = addslashes($data);
|
|
break;
|
|
}
|
|
return "'" . $data . "'";
|
|
}
|
|
|
|
/**
|
|
* Generates the fields list of an SQL query.
|
|
*
|
|
* @param Model $model
|
|
* @param string $alias Alias tablename
|
|
* @param mixed $fields
|
|
* @return array
|
|
*/
|
|
function fields(&$model, $alias, $fields) {
|
|
if (is_array($fields)) {
|
|
$fields = $fields;
|
|
} else {
|
|
if ($fields != null) {
|
|
if (strpos($fields, ',')) {
|
|
$fields = explode(',', $fields);
|
|
} else {
|
|
$fields = array($fields);
|
|
}
|
|
|
|
$fields = array_map('trim', $fields);
|
|
} else {
|
|
foreach($model->_tableInfo->value as $field) {
|
|
$fields[] = $field['name'];
|
|
}
|
|
}
|
|
}
|
|
|
|
$count = count($fields);
|
|
|
|
if ($count >= 1 && $fields[0] != '*' && strpos($fields[0], 'COUNT(*)') === false) {
|
|
for($i = 0; $i < $count; $i++) {
|
|
$dot = strrpos($fields[$i], '.');
|
|
|
|
if ($dot === false) {
|
|
$fields[$i] = $this->name($alias) . '.' . $this->name($fields[$i]) . ' AS ' . $this->name($alias . '__' . $fields[$i]);
|
|
} else {
|
|
$build = explode('.', $fields[$i]);
|
|
$fields[$i]=$this->name($build[0]) . '.' . $this->name($build[1]) . ' AS ' . $this->name($build[0] . '__' . $build[1]);
|
|
}
|
|
}
|
|
}
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* Begin a transaction
|
|
*
|
|
* @param unknown_type $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions).
|
|
*/
|
|
function begin(&$model) {
|
|
if (parent::begin($model)) {
|
|
if ($this->execute('BEGIN TRANSACTION')) {
|
|
$this->__transactionStarted=true;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Commit a transaction
|
|
*
|
|
* @param unknown_type $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
function commit(&$model) {
|
|
if (parent::commit($model)) {
|
|
$this->__transactionStarted;
|
|
return $this->execute('COMMIT');
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Rollback a transaction
|
|
*
|
|
* @param unknown_type $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
function rollback(&$model) {
|
|
if (parent::rollback($model)) {
|
|
return $this->execute('ROLLBACK');
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Removes Identity (primary key) column from update data before returning to parent
|
|
*
|
|
* @param Model $model
|
|
* @param array $fields
|
|
* @param array $values
|
|
* @return array
|
|
*/
|
|
function update(&$model, $fields = array(), $values = array()) {
|
|
foreach($fields as $i => $field) {
|
|
if ($field == $model->primaryKey) {
|
|
unset ($fields[$i]);
|
|
unset ($values[$i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return parent::update($model, $fields, $values);
|
|
}
|
|
|
|
/**
|
|
* Returns a formatted error message from previous database operation.
|
|
*
|
|
* @return string Error message with error number
|
|
*/
|
|
function lastError() {
|
|
$error = mssql_get_last_message($this->connection);
|
|
|
|
if ($error) {
|
|
if (strpos('changed database', low($error)) !== false) {
|
|
return $error;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns number of affected rows in previous database operation. If no previous operation exists,
|
|
* this returns false.
|
|
*
|
|
* @return int Number of affected rows
|
|
*/
|
|
function lastAffected() {
|
|
if ($this->_result) {
|
|
return mssql_rows_affected($this->connection);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns number of rows in previous resultset. If no previous resultset exists,
|
|
* this returns false.
|
|
*
|
|
* @return int Number of rows in resultset
|
|
*/
|
|
function lastNumRows() {
|
|
if ($this->_result) {
|
|
return @mssql_num_rows($this->_result);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns the ID generated from the previous INSERT operation.
|
|
*
|
|
* @param unknown_type $source
|
|
* @return in
|
|
*/
|
|
function lastInsertId($source = null) {
|
|
$id = $this->fetchAll('SELECT SCOPE_IDENTITY() AS insertID', false);
|
|
return $id[0][0]['insertID'];
|
|
}
|
|
|
|
/**
|
|
* Returns a limit statement in the correct format for the particular database.
|
|
*
|
|
* @param int $limit Limit of results returned
|
|
* @param int $offset Offset from which to start results
|
|
* @return string SQL limit/offset statement
|
|
*/
|
|
function limit($limit, $offset = null) {
|
|
if ($limit) {
|
|
$rt = '';
|
|
if (!strpos(strtolower($limit), 'top') || strpos(strtolower($limit), 'top') === 0) {
|
|
$rt = ' TOP';
|
|
}
|
|
|
|
$rt .= ' ' . $limit;
|
|
return $rt;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Converts database-layer column types to basic types
|
|
*
|
|
* @param string $real Real database-layer column type (i.e. "varchar(255)")
|
|
* @return string Abstract column type (i.e. "string")
|
|
*/
|
|
function column($real) {
|
|
if (is_array($real)) {
|
|
$col = $real['name'];
|
|
|
|
if (isset($real['limit'])) {
|
|
$col .= '(' . $real['limit'] . ')';
|
|
}
|
|
|
|
return $col;
|
|
}
|
|
$col =r(')', '', $real);
|
|
$limit =null;
|
|
@list($col, $limit)=explode('(', $col);
|
|
|
|
if (in_array($col, array('date', 'time', 'datetime', 'timestamp'))) {
|
|
return $col;
|
|
}
|
|
|
|
if ($col == 'bit') {
|
|
return 'boolean';
|
|
}
|
|
|
|
if (strpos($col, 'int') !== false || $col == 'numeric') {
|
|
return 'integer';
|
|
}
|
|
|
|
if (strpos($col, 'char') !== false) {
|
|
return 'string';
|
|
}
|
|
|
|
if (strpos($col, 'text') !== false) {
|
|
return 'text';
|
|
}
|
|
|
|
if (strpos($col, 'binary') !== false || $col == 'image') {
|
|
return 'binary';
|
|
}
|
|
|
|
if (in_array($col, array('float', 'real', 'decimal'))) {
|
|
return 'float';
|
|
}
|
|
return 'text';
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $results
|
|
*/
|
|
function resultSet(&$results) {
|
|
$this->results =& $results;
|
|
$this->map = array();
|
|
$num_fields = mssql_num_fields($results);
|
|
$index = 0;
|
|
$j = 0;
|
|
|
|
while($j < $num_fields) {
|
|
$column = mssql_fetch_field($results, $j);
|
|
|
|
if (strpos($column->name, '__')) {
|
|
$this->map[$index++] = explode('__', $column->name);
|
|
} else {
|
|
$this->map[$index++] = array(0, $column->name);
|
|
}
|
|
|
|
$j++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches the next row from the current result set
|
|
*
|
|
* @return unknown
|
|
*/
|
|
function fetchResult() {
|
|
if ($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 $resultRow;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function buildSchemaQuery($schema) {
|
|
$search = array('{AUTOINCREMENT}', '{PRIMARY}', '{UNSIGNED}', '{FULLTEXT}', '{BOOLEAN}', '{UTF_8}');
|
|
|
|
$replace = array('int(11) not null auto_increment', 'primary key', 'unsigned', 'FULLTEXT',
|
|
'enum (\'true\', \'false\') NOT NULL default \'true\'', '/*!40100 CHARACTER SET utf8 COLLATE utf8_unicode_ci */');
|
|
|
|
$query = trim(r($search, $replace, $schema));
|
|
return $query;
|
|
}
|
|
}
|
|
|
|
?>
|