mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2025-01-19 02:56:15 +00:00
845edf38e1
Removing Set from core class imports, as Set is required as part of the framework bootstrapping.
2891 lines
84 KiB
PHP
Executable file
2891 lines
84 KiB
PHP
Executable file
<?php
|
|
/**
|
|
* Dbo Source
|
|
*
|
|
* PHP 5
|
|
*
|
|
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
|
|
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
|
|
* @link http://cakephp.org CakePHP(tm) Project
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.datasources
|
|
* @since CakePHP(tm) v 0.10.0.1076
|
|
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
|
|
*/
|
|
App::import('Core', 'String');
|
|
|
|
/**
|
|
* DboSource
|
|
*
|
|
* Creates DBO-descendant objects from a given db connection configuration
|
|
*
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.datasources
|
|
*/
|
|
class DboSource extends DataSource {
|
|
|
|
/**
|
|
* Description string for this Database Data Source.
|
|
*
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
public $description = "Database Data Source";
|
|
|
|
/**
|
|
* index definition, standard cake, primary, index, unique
|
|
*
|
|
* @var array
|
|
*/
|
|
public $index = array('PRI' => 'primary', 'MUL' => 'index', 'UNI' => 'unique');
|
|
|
|
/**
|
|
* Database keyword used to assign aliases to identifiers.
|
|
*
|
|
* @var string
|
|
* @access public
|
|
*/
|
|
public $alias = 'AS ';
|
|
|
|
/**
|
|
* Caches result from query parsing operations. Cached results for both DboSource::name() and
|
|
* DboSource::conditions() will be stored here. Method caching uses `crc32()` which is
|
|
* fast but can collisions more easily than other hashing algorithms. If you have problems
|
|
* with collisions, set DboSource::$cacheMethods to false.
|
|
*
|
|
* @var array
|
|
* @access public
|
|
*/
|
|
public $methodCache = array();
|
|
|
|
/**
|
|
* Whether or not to cache the results of DboSource::name() and DboSource::conditions()
|
|
* into the memory cache. Set to false to disable the use of the memory cache.
|
|
*
|
|
* @var boolean.
|
|
* @access public
|
|
*/
|
|
public $cacheMethods = true ;
|
|
|
|
/**
|
|
* Bypass automatic adding of joined fields/associations.
|
|
*
|
|
* @var boolean
|
|
* @access private
|
|
*/
|
|
private $__bypass = false;
|
|
|
|
/**
|
|
* The set of valid SQL operations usable in a WHERE statement
|
|
*
|
|
* @var array
|
|
* @access private
|
|
*/
|
|
private $__sqlOps = array('like', 'ilike', 'or', 'not', 'in', 'between', 'regexp', 'similar to');
|
|
|
|
/**
|
|
* Index of basic SQL commands
|
|
*
|
|
* @var array
|
|
* @access protected
|
|
*/
|
|
protected $_commands = array(
|
|
'begin' => 'BEGIN',
|
|
'commit' => 'COMMIT',
|
|
'rollback' => 'ROLLBACK'
|
|
);
|
|
|
|
/**
|
|
* Separator string for virtualField composition
|
|
*
|
|
* @var string
|
|
*/
|
|
public $virtualFieldSeparator = '__';
|
|
|
|
/**
|
|
* List of table engine specific parameters used on table creating
|
|
*
|
|
* @var array
|
|
* @access public
|
|
*/
|
|
public $tableParameters = array();
|
|
|
|
/**
|
|
* List of engine specific additional field parameters used on table creating
|
|
*
|
|
* @var array
|
|
* @access public
|
|
*/
|
|
public $fieldParameters = array();
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param array $config Array of configuration information for the Datasource.
|
|
* @param boolean $autoConnect Whether or not the datasource should automatically connect.
|
|
*/
|
|
public function __construct($config = null, $autoConnect = true) {
|
|
if (!isset($config['prefix'])) {
|
|
$config['prefix'] = '';
|
|
}
|
|
parent::__construct($config);
|
|
$this->fullDebug = Configure::read('debug') > 1;
|
|
if (!$this->enabled()) {
|
|
return false;
|
|
}
|
|
if ($autoConnect) {
|
|
return $this->connect();
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Reconnects to database server with optional new settings
|
|
*
|
|
* @param array $config An array defining the new configuration settings
|
|
* @return boolean True on success, false on failure
|
|
*/
|
|
function reconnect($config = array()) {
|
|
$this->disconnect();
|
|
$this->setConfig($config);
|
|
$this->_sources = null;
|
|
|
|
return $this->connect();
|
|
}
|
|
|
|
/**
|
|
* Prepares a value, or an array of values for database queries by quoting and escaping them.
|
|
*
|
|
* @param mixed $data A value or an array of values to prepare.
|
|
* @param string $column The column into which this data will be inserted
|
|
* @param boolean $read Value to be used in READ or WRITE context
|
|
* @return mixed Prepared value or array of values.
|
|
*/
|
|
public function value($data, $column = null, $read = true) {
|
|
if (is_array($data) && !empty($data)) {
|
|
return array_map(
|
|
array(&$this, 'value'),
|
|
$data, array_fill(0, count($data), $column), array_fill(0, count($data), $read)
|
|
);
|
|
} elseif (is_object($data) && isset($data->type)) {
|
|
if ($data->type == 'identifier') {
|
|
return $this->name($data->value);
|
|
} elseif ($data->type == 'expression') {
|
|
return $data->value;
|
|
}
|
|
} elseif (in_array($data, array('{$__cakeID__$}', '{$__cakeForeignKey__$}'), true)) {
|
|
return $data;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an object to represent a database identifier in a query
|
|
*
|
|
* @param string $identifier
|
|
* @return object An object representing a database identifier to be used in a query
|
|
*/
|
|
public function identifier($identifier) {
|
|
$obj = new stdClass();
|
|
$obj->type = 'identifier';
|
|
$obj->value = $identifier;
|
|
return $obj;
|
|
}
|
|
|
|
/**
|
|
* Returns an object to represent a database expression in a query
|
|
*
|
|
* @param string $expression
|
|
* @return object An object representing a database expression to be used in a query
|
|
*/
|
|
public function expression($expression) {
|
|
$obj = new stdClass();
|
|
$obj->type = 'expression';
|
|
$obj->value = $expression;
|
|
return $obj;
|
|
}
|
|
|
|
/**
|
|
* Executes given SQL statement.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @return boolean
|
|
*/
|
|
public function rawQuery($sql) {
|
|
$this->took = $this->error = $this->numRows = false;
|
|
return $this->execute($sql);
|
|
}
|
|
|
|
/**
|
|
* Queries the database with given SQL statement, and obtains some metadata about the result
|
|
* (rows affected, timing, any errors, number of rows in resultset). The query is also logged.
|
|
* If Configure::read('debug') is set, the log is shown all the time, else it is only shown on errors.
|
|
*
|
|
* ### Options
|
|
*
|
|
* - stats - Collect meta data stats for this query. Stats include time take, rows affected,
|
|
* any errors, and number of rows returned. Defaults to `true`.
|
|
* - log - Whether or not the query should be logged to the memory log.
|
|
*
|
|
* @param string $sql
|
|
* @param array $options
|
|
* @return mixed Resource or object representing the result set, or false on failure
|
|
*/
|
|
public function execute($sql, $options = array()) {
|
|
$defaults = array('stats' => true, 'log' => $this->fullDebug);
|
|
$options = array_merge($defaults, $options);
|
|
|
|
$t = microtime(true);
|
|
$this->_result = $this->_execute($sql);
|
|
if ($options['stats']) {
|
|
$this->took = round((microtime(true) - $t) * 1000, 0);
|
|
$this->affected = $this->lastAffected();
|
|
$this->error = $this->lastError();
|
|
$this->numRows = $this->lastNumRows();
|
|
}
|
|
|
|
if ($options['log']) {
|
|
$this->logQuery($sql);
|
|
}
|
|
|
|
if ($this->error) {
|
|
$this->showQuery($sql);
|
|
return false;
|
|
}
|
|
return $this->_result;
|
|
}
|
|
|
|
/**
|
|
* DataSource Query abstraction
|
|
*
|
|
* @return resource Result resource identifier.
|
|
*/
|
|
public function query() {
|
|
$args = func_get_args();
|
|
$fields = null;
|
|
$order = null;
|
|
$limit = null;
|
|
$page = null;
|
|
$recursive = null;
|
|
|
|
if (count($args) == 1) {
|
|
return $this->fetchAll($args[0]);
|
|
|
|
} elseif (count($args) > 1 && (strpos(strtolower($args[0]), 'findby') === 0 || strpos(strtolower($args[0]), 'findallby') === 0)) {
|
|
$params = $args[1];
|
|
|
|
if (strpos(strtolower($args[0]), 'findby') === 0) {
|
|
$all = false;
|
|
$field = Inflector::underscore(preg_replace('/^findBy/i', '', $args[0]));
|
|
} else {
|
|
$all = true;
|
|
$field = Inflector::underscore(preg_replace('/^findAllBy/i', '', $args[0]));
|
|
}
|
|
|
|
$or = (strpos($field, '_or_') !== false);
|
|
if ($or) {
|
|
$field = explode('_or_', $field);
|
|
} else {
|
|
$field = explode('_and_', $field);
|
|
}
|
|
$off = count($field) - 1;
|
|
|
|
if (isset($params[1 + $off])) {
|
|
$fields = $params[1 + $off];
|
|
}
|
|
|
|
if (isset($params[2 + $off])) {
|
|
$order = $params[2 + $off];
|
|
}
|
|
|
|
if (!array_key_exists(0, $params)) {
|
|
return false;
|
|
}
|
|
|
|
$c = 0;
|
|
$conditions = array();
|
|
|
|
foreach ($field as $f) {
|
|
$conditions[$args[2]->alias . '.' . $f] = $params[$c];
|
|
$c++;
|
|
}
|
|
|
|
if ($or) {
|
|
$conditions = array('OR' => $conditions);
|
|
}
|
|
|
|
if ($all) {
|
|
if (isset($params[3 + $off])) {
|
|
$limit = $params[3 + $off];
|
|
}
|
|
|
|
if (isset($params[4 + $off])) {
|
|
$page = $params[4 + $off];
|
|
}
|
|
|
|
if (isset($params[5 + $off])) {
|
|
$recursive = $params[5 + $off];
|
|
}
|
|
return $args[2]->find('all', compact('conditions', 'fields', 'order', 'limit', 'page', 'recursive'));
|
|
} else {
|
|
if (isset($params[3 + $off])) {
|
|
$recursive = $params[3 + $off];
|
|
}
|
|
return $args[2]->find('first', compact('conditions', 'fields', 'order', 'recursive'));
|
|
}
|
|
} else {
|
|
if (isset($args[1]) && $args[1] === true) {
|
|
return $this->fetchAll($args[0], true);
|
|
} else if (isset($args[1]) && !is_array($args[1]) ) {
|
|
return $this->fetchAll($args[0], false);
|
|
} else if (isset($args[1]) && is_array($args[1])) {
|
|
$offset = 0;
|
|
if (isset($args[2])) {
|
|
$cache = $args[2];
|
|
} else {
|
|
$cache = true;
|
|
}
|
|
$args[1] = array_map(array(&$this, 'value'), $args[1]);
|
|
return $this->fetchAll(String::insert($args[0], $args[1]), $cache);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a row from current resultset as an array
|
|
*
|
|
* @return array The fetched row as an array
|
|
*/
|
|
public function fetchRow($sql = null) {
|
|
if (!empty($sql) && is_string($sql) && strlen($sql) > 5) {
|
|
if (!$this->execute($sql)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if ($this->hasResult()) {
|
|
$this->resultSet($this->_result);
|
|
$resultRow = $this->fetchResult();
|
|
if (!empty($resultRow)) {
|
|
$this->fetchVirtualField($resultRow);
|
|
}
|
|
return $resultRow;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 $cache Enables returning/storing cached query results
|
|
* @return array Array of resultset rows, or false if no rows matched
|
|
*/
|
|
public function fetchAll($sql, $cache = true, $modelName = null) {
|
|
if ($cache && ($cached = $this->getQueryCache($sql)) !== false) {
|
|
return $cached;
|
|
}
|
|
|
|
if ($this->execute($sql)) {
|
|
$out = array();
|
|
|
|
$first = $this->fetchRow();
|
|
if ($first != null) {
|
|
$out[] = $first;
|
|
}
|
|
while ($this->hasResult() && $item = $this->fetchResult()) {
|
|
$this->fetchVirtualField($item);
|
|
$out[] = $item;
|
|
}
|
|
|
|
if ($cache) {
|
|
$this->_writeQueryCache($sql, $out);
|
|
}
|
|
if (empty($out) && is_bool($this->_result)) {
|
|
return $this->_result;
|
|
}
|
|
return $out;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Modifies $result array to place virtual fields in model entry where they belongs to
|
|
*
|
|
* @param array $resut REference to the fetched row
|
|
* @return void
|
|
*/
|
|
public function fetchVirtualField(&$result) {
|
|
if (isset($result[0]) && is_array($result[0])) {
|
|
foreach ($result[0] as $field => $value) {
|
|
if (strpos($field, $this->virtualFieldSeparator) === false) {
|
|
continue;
|
|
}
|
|
list($alias, $virtual) = explode($this->virtualFieldSeparator, $field);
|
|
|
|
if (!ClassRegistry::isKeySet($alias)) {
|
|
return;
|
|
}
|
|
$model = ClassRegistry::getObject($alias);
|
|
if ($model->isVirtualField($virtual)) {
|
|
$result[$alias][$virtual] = $value;
|
|
unset($result[0][$field]);
|
|
}
|
|
}
|
|
if (empty($result[0])) {
|
|
unset($result[0]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a single field of the first of query results for a given SQL query, or false if empty.
|
|
*
|
|
* @param string $name Name of the field
|
|
* @param string $sql SQL query
|
|
* @return mixed Value of field read.
|
|
*/
|
|
public function field($name, $sql) {
|
|
$data = $this->fetchRow($sql);
|
|
if (!isset($data[$name]) || empty($data[$name])) {
|
|
return false;
|
|
} else {
|
|
return $data[$name];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Empties the method caches.
|
|
* These caches are used by DboSource::name() and DboSource::conditions()
|
|
*
|
|
* @return void
|
|
*/
|
|
public function flushMethodCache() {
|
|
$this->methodCache = array();
|
|
}
|
|
|
|
/**
|
|
* Cache a value into the methodCaches. Will respect the value of DboSource::$cacheMethods.
|
|
* Will retrieve a value from the cache if $value is null.
|
|
*
|
|
* If caching is disabled and a write is attempted, the $value will be returned.
|
|
* A read will either return the value or null.
|
|
*
|
|
* @param string $method Name of the method being cached.
|
|
* @param string $key The keyname for the cache operation.
|
|
* @param mixed $value The value to cache into memory.
|
|
* @return mixed Either null on failure, or the value if its set.
|
|
*/
|
|
public function cacheMethod($method, $key, $value = null) {
|
|
if ($this->cacheMethods === false) {
|
|
return $value;
|
|
}
|
|
if ($value === null) {
|
|
return (isset($this->methodCache[$method][$key])) ? $this->methodCache[$method][$key] : null;
|
|
}
|
|
return $this->methodCache[$method][$key] = $value;
|
|
}
|
|
|
|
/**
|
|
* Returns a quoted name of $data for use in an SQL statement.
|
|
* Strips fields out of SQL functions before quoting.
|
|
*
|
|
* Results of this method are stored in a memory cache. This improves performance, but
|
|
* because the method uses a simple hashing algorithm it can infrequently have collisions.
|
|
* Setting DboSource::$cacheMethods to false will disable the memory cache.
|
|
*
|
|
* @param mixed $data Either a string with a column to quote. An array of columns to quote or an
|
|
* object from DboSource::expression() or DboSource::identifier()
|
|
* @return string SQL field
|
|
*/
|
|
public function name($data) {
|
|
if (is_object($data) && isset($data->type)) {
|
|
return $data->value;
|
|
}
|
|
if ($data === '*') {
|
|
return '*';
|
|
}
|
|
if (is_array($data)) {
|
|
foreach ($data as $i => $dataItem) {
|
|
$data[$i] = $this->name($dataItem);
|
|
}
|
|
return $data;
|
|
}
|
|
$cacheKey = crc32($this->startQuote.$data.$this->endQuote);
|
|
if ($return = $this->cacheMethod(__FUNCTION__, $cacheKey)) {
|
|
return $return;
|
|
}
|
|
$data = trim($data);
|
|
if (preg_match('/^[\w-]+(\.[\w-]+)*$/', $data)) { // string, string.string
|
|
if (strpos($data, '.') === false) { // string
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $this->startQuote . $data . $this->endQuote);
|
|
}
|
|
$items = explode('.', $data);
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey,
|
|
$this->startQuote . implode($this->endQuote . '.' . $this->startQuote, $items) . $this->endQuote
|
|
);
|
|
}
|
|
if (preg_match('/^[\w-]+\.\*$/', $data)) { // string.*
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey,
|
|
$this->startQuote . str_replace('.*', $this->endQuote . '.*', $data)
|
|
);
|
|
}
|
|
if (preg_match('/^([\w-]+)\((.*)\)$/', $data, $matches)) { // Functions
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey,
|
|
$matches[1] . '(' . $this->name($matches[2]) . ')'
|
|
);
|
|
}
|
|
if (
|
|
preg_match('/^([\w-]+(\.[\w-]+|\(.*\))*)\s+' . preg_quote($this->alias) . '\s*([\w-]+)$/', $data, $matches
|
|
)) {
|
|
return $this->cacheMethod(
|
|
__FUNCTION__, $cacheKey,
|
|
preg_replace(
|
|
'/\s{2,}/', ' ', $this->name($matches[1]) . ' ' . $this->alias . ' ' . $this->name($matches[3])
|
|
)
|
|
);
|
|
}
|
|
if (preg_match('/^[\w-_\s]*[\w-_]+/', $data)) {
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $this->startQuote . $data . $this->endQuote);
|
|
}
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $data);
|
|
}
|
|
|
|
/**
|
|
* Checks if the source is connected to the database.
|
|
*
|
|
* @return boolean True if the database is connected, else false
|
|
*/
|
|
public function isConnected() {
|
|
return $this->connected;
|
|
}
|
|
|
|
/**
|
|
* Checks if the result is valid
|
|
*
|
|
* @return boolean True if the result is valid else false
|
|
*/
|
|
public function hasResult() {
|
|
return is_resource($this->_result);
|
|
}
|
|
|
|
/**
|
|
* Get the query log as an array.
|
|
*
|
|
* @param boolean $sorted Get the queries sorted by time taken, defaults to false.
|
|
* @return array Array of queries run as an array
|
|
*/
|
|
public function getLog($sorted = false, $clear = true) {
|
|
if ($sorted) {
|
|
$log = sortByKey($this->_queriesLog, 'took', 'desc', SORT_NUMERIC);
|
|
} else {
|
|
$log = $this->_queriesLog;
|
|
}
|
|
if ($clear) {
|
|
$this->_queriesLog = array();
|
|
}
|
|
return array('log' => $log, 'count' => $this->_queriesCnt, 'time' => $this->_queriesTime);
|
|
}
|
|
|
|
/**
|
|
* Outputs the contents of the queries log. If in a non-CLI environment the sql_log element
|
|
* will be rendered and output. If in a CLI environment, a plain text log is generated.
|
|
*
|
|
* @param boolean $sorted Get the queries sorted by time taken, defaults to false.
|
|
* @return void
|
|
*/
|
|
public function showLog($sorted = false) {
|
|
$log = $this->getLog($sorted, false);
|
|
if (empty($log['log'])) {
|
|
return;
|
|
}
|
|
if (PHP_SAPI != 'cli') {
|
|
App::import('Core', 'View');
|
|
$controller = null;
|
|
$View = new View($controller, false);
|
|
$View->set('logs', array($this->configKeyName => $log));
|
|
echo $View->element('sql_dump', array('_forced_from_dbo_' => true));
|
|
} else {
|
|
foreach ($log['log'] as $k => $i) {
|
|
print (($k + 1) . ". {$i['query']} {$i['error']}\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Log given SQL query.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @todo: Add hook to log errors instead of returning false
|
|
*/
|
|
public function logQuery($sql) {
|
|
$this->_queriesCnt++;
|
|
$this->_queriesTime += $this->took;
|
|
$this->_queriesLog[] = array(
|
|
'query' => $sql,
|
|
'error' => $this->error,
|
|
'affected' => $this->affected,
|
|
'numRows' => $this->numRows,
|
|
'took' => $this->took
|
|
);
|
|
if (count($this->_queriesLog) > $this->_queriesLogMax) {
|
|
array_pop($this->_queriesLog);
|
|
}
|
|
if ($this->error) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Output information about an SQL query. The SQL statement, number of rows in resultset,
|
|
* and execution time in microseconds. If the query fails, an error is output instead.
|
|
*
|
|
* @param string $sql Query to show information on.
|
|
*/
|
|
public function showQuery($sql) {
|
|
$error = $this->error;
|
|
if (strlen($sql) > 200 && !$this->fullDebug && Configure::read('debug') > 1) {
|
|
$sql = substr($sql, 0, 200) . '[...]';
|
|
}
|
|
if (Configure::read('debug') > 0) {
|
|
$out = null;
|
|
if ($error) {
|
|
trigger_error('<span style="color:Red;text-align:left"><b>' . __('SQL Error:') . "</b> {$this->error}</span>", E_USER_WARNING);
|
|
} else {
|
|
$out = ('<small>[' . sprintf(__('Aff:%s Num:%s Took:%sms'), $this->affected, $this->numRows, $this->took) . ']</small>');
|
|
}
|
|
pr(sprintf('<p style="text-align:left"><b>' . __('Query:') . '</b> %s %s</p>', $sql, $out));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets full table name including prefix
|
|
*
|
|
* @param mixed $model Either a Model object or a string table name.
|
|
* @param boolean $quote Whether you want the table name quoted.
|
|
* @return string Full quoted table name
|
|
*/
|
|
public function fullTableName($model, $quote = true) {
|
|
if (is_object($model)) {
|
|
$table = $model->tablePrefix . $model->table;
|
|
} elseif (isset($this->config['prefix'])) {
|
|
$table = $this->config['prefix'] . strval($model);
|
|
} else {
|
|
$table = strval($model);
|
|
}
|
|
if ($quote) {
|
|
return $this->name($table);
|
|
}
|
|
return $table;
|
|
}
|
|
|
|
/**
|
|
* The "C" in CRUD
|
|
*
|
|
* Creates new records in the database.
|
|
*
|
|
* @param Model $model Model object that the record is for.
|
|
* @param array $fields An array of field names to insert. If null, $model->data will be
|
|
* used to generate field names.
|
|
* @param array $values An array of values with keys matching the fields. If null, $model->data will
|
|
* be used to generate values.
|
|
* @return boolean Success
|
|
*/
|
|
public function create(&$model, $fields = null, $values = null) {
|
|
$id = null;
|
|
|
|
if ($fields == null) {
|
|
unset($fields, $values);
|
|
$fields = array_keys($model->data);
|
|
$values = array_values($model->data);
|
|
}
|
|
$count = count($fields);
|
|
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$valueInsert[] = $this->value($values[$i], $model->getColumnType($fields[$i]), false);
|
|
}
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$fieldInsert[] = $this->name($fields[$i]);
|
|
if ($fields[$i] == $model->primaryKey) {
|
|
$id = $values[$i];
|
|
}
|
|
}
|
|
$query = array(
|
|
'table' => $this->fullTableName($model),
|
|
'fields' => implode(', ', $fieldInsert),
|
|
'values' => implode(', ', $valueInsert)
|
|
);
|
|
|
|
if ($this->execute($this->renderStatement('create', $query))) {
|
|
if (empty($id)) {
|
|
$id = $this->lastInsertId($this->fullTableName($model, false), $model->primaryKey);
|
|
}
|
|
$model->setInsertID($id);
|
|
$model->id = $id;
|
|
return true;
|
|
} else {
|
|
$model->onError();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The "R" in CRUD
|
|
*
|
|
* Reads record(s) from the database.
|
|
*
|
|
* @param Model $model A Model object that the query is for.
|
|
* @param array $queryData An array of queryData information containing keys similar to Model::find()
|
|
* @param integer $recursive Number of levels of association
|
|
* @return mixed boolean false on error/failure. An array of results on success.
|
|
*/
|
|
public function read(&$model, $queryData = array(), $recursive = null) {
|
|
$queryData = $this->__scrubQueryData($queryData);
|
|
|
|
$null = null;
|
|
$array = array();
|
|
$linkedModels = array();
|
|
$this->__bypass = false;
|
|
$this->__booleans = array();
|
|
|
|
if ($recursive === null && isset($queryData['recursive'])) {
|
|
$recursive = $queryData['recursive'];
|
|
}
|
|
|
|
if (!is_null($recursive)) {
|
|
$_recursive = $model->recursive;
|
|
$model->recursive = $recursive;
|
|
}
|
|
|
|
if (!empty($queryData['fields'])) {
|
|
$this->__bypass = true;
|
|
$queryData['fields'] = $this->fields($model, null, $queryData['fields']);
|
|
} else {
|
|
$queryData['fields'] = $this->fields($model);
|
|
}
|
|
|
|
$_associations = $model->associations();
|
|
|
|
if ($model->recursive == -1) {
|
|
$_associations = array();
|
|
} else if ($model->recursive == 0) {
|
|
unset($_associations[2], $_associations[3]);
|
|
}
|
|
|
|
foreach ($_associations as $type) {
|
|
foreach ($model->{$type} as $assoc => $assocData) {
|
|
$linkModel =& $model->{$assoc};
|
|
$external = isset($assocData['external']);
|
|
|
|
if ($model->useDbConfig == $linkModel->useDbConfig) {
|
|
if (true === $this->generateAssociationQuery($model, $linkModel, $type, $assoc, $assocData, $queryData, $external, $null)) {
|
|
$linkedModels[$type . '/' . $assoc] = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$query = $this->generateAssociationQuery($model, $null, null, null, null, $queryData, false, $null);
|
|
|
|
$resultSet = $this->fetchAll($query, $model->cacheQueries, $model->alias);
|
|
|
|
if ($resultSet === false) {
|
|
$model->onError();
|
|
return false;
|
|
}
|
|
|
|
$filtered = $this->__filterResults($resultSet, $model);
|
|
|
|
if ($model->recursive > -1) {
|
|
foreach ($_associations as $type) {
|
|
foreach ($model->{$type} as $assoc => $assocData) {
|
|
$linkModel =& $model->{$assoc};
|
|
|
|
if (empty($linkedModels[$type . '/' . $assoc])) {
|
|
if ($model->useDbConfig == $linkModel->useDbConfig) {
|
|
$db =& $this;
|
|
} else {
|
|
$db =& ConnectionManager::getDataSource($linkModel->useDbConfig);
|
|
}
|
|
} elseif ($model->recursive > 1 && ($type == 'belongsTo' || $type == 'hasOne')) {
|
|
$db =& $this;
|
|
}
|
|
|
|
if (isset($db) && method_exists($db, 'queryAssociation')) {
|
|
$stack = array($assoc);
|
|
$db->queryAssociation($model, $linkModel, $type, $assoc, $assocData, $array, true, $resultSet, $model->recursive - 1, $stack);
|
|
unset($db);
|
|
|
|
if ($type === 'hasMany') {
|
|
$filtered []= $assoc;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$this->__filterResults($resultSet, $model, $filtered);
|
|
}
|
|
|
|
if (!is_null($recursive)) {
|
|
$model->recursive = $_recursive;
|
|
}
|
|
return $resultSet;
|
|
}
|
|
|
|
/**
|
|
* Passes association results thru afterFind filters of corresponding model
|
|
*
|
|
* @param array $results Reference of resultset to be filtered
|
|
* @param object $model Instance of model to operate against
|
|
* @param array $filtered List of classes already filtered, to be skipped
|
|
* @return array Array of results that have been filtered through $model->afterFind
|
|
* @access private
|
|
*/
|
|
function __filterResults(&$results, &$model, $filtered = array()) {
|
|
$filtering = array();
|
|
$count = count($results);
|
|
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if (is_array($results[$i])) {
|
|
$classNames = array_keys($results[$i]);
|
|
$count2 = count($classNames);
|
|
|
|
for ($j = 0; $j < $count2; $j++) {
|
|
$className = $classNames[$j];
|
|
if ($model->alias != $className && !in_array($className, $filtered)) {
|
|
if (!in_array($className, $filtering)) {
|
|
$filtering[] = $className;
|
|
}
|
|
|
|
if (isset($model->{$className}) && is_object($model->{$className})) {
|
|
$data = $model->{$className}->afterFind(array(array($className => $results[$i][$className])), false);
|
|
}
|
|
if (isset($data[0][$className])) {
|
|
$results[$i][$className] = $data[0][$className];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $filtering;
|
|
}
|
|
|
|
/**
|
|
* Queries associations. Used to fetch results on recursive models.
|
|
*
|
|
* @param Model $model Primary Model object
|
|
* @param Model $linkModel Linked model that
|
|
* @param string $type Association type, one of the model association types ie. hasMany
|
|
* @param unknown_type $association
|
|
* @param unknown_type $assocData
|
|
* @param array $queryData
|
|
* @param boolean $external Whether or not the association query is on an external datasource.
|
|
* @param array $resultSet Existing results
|
|
* @param integer $recursive Number of levels of association
|
|
* @param array $stack
|
|
*/
|
|
public function queryAssociation(&$model, &$linkModel, $type, $association, $assocData, &$queryData, $external = false, &$resultSet, $recursive, $stack) {
|
|
if ($query = $this->generateAssociationQuery($model, $linkModel, $type, $association, $assocData, $queryData, $external, $resultSet)) {
|
|
if (!isset($resultSet) || !is_array($resultSet)) {
|
|
if (Configure::read('debug') > 0) {
|
|
echo '<div style = "font: Verdana bold 12px; color: #FF0000">' . sprintf(__('SQL Error in model %s:'), $model->alias) . ' ';
|
|
if (isset($this->error) && $this->error != null) {
|
|
echo $this->error;
|
|
}
|
|
echo '</div>';
|
|
}
|
|
return null;
|
|
}
|
|
$count = count($resultSet);
|
|
|
|
if ($type === 'hasMany' && empty($assocData['limit']) && !empty($assocData['foreignKey'])) {
|
|
$ins = $fetch = array();
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if ($in = $this->insertQueryData('{$__cakeID__$}', $resultSet[$i], $association, $assocData, $model, $linkModel, $stack)) {
|
|
$ins[] = $in;
|
|
}
|
|
}
|
|
|
|
if (!empty($ins)) {
|
|
$ins = array_unique($ins);
|
|
$fetch = $this->fetchAssociated($model, $query, $ins);
|
|
}
|
|
|
|
if (!empty($fetch) && is_array($fetch)) {
|
|
if ($recursive > 0) {
|
|
foreach ($linkModel->associations() as $type1) {
|
|
foreach ($linkModel->{$type1} as $assoc1 => $assocData1) {
|
|
$deepModel =& $linkModel->{$assoc1};
|
|
$tmpStack = $stack;
|
|
$tmpStack[] = $assoc1;
|
|
|
|
if ($linkModel->useDbConfig === $deepModel->useDbConfig) {
|
|
$db =& $this;
|
|
} else {
|
|
$db =& ConnectionManager::getDataSource($deepModel->useDbConfig);
|
|
}
|
|
$db->queryAssociation($linkModel, $deepModel, $type1, $assoc1, $assocData1, $queryData, true, $fetch, $recursive - 1, $tmpStack);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$this->__filterResults($fetch, $model);
|
|
return $this->__mergeHasMany($resultSet, $fetch, $association, $model, $linkModel, $recursive);
|
|
} elseif ($type === 'hasAndBelongsToMany') {
|
|
$ins = $fetch = array();
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if ($in = $this->insertQueryData('{$__cakeID__$}', $resultSet[$i], $association, $assocData, $model, $linkModel, $stack)) {
|
|
$ins[] = $in;
|
|
}
|
|
}
|
|
if (!empty($ins)) {
|
|
$ins = array_unique($ins);
|
|
if (count($ins) > 1) {
|
|
$query = str_replace('{$__cakeID__$}', '(' .implode(', ', $ins) .')', $query);
|
|
$query = str_replace('= (', 'IN (', $query);
|
|
} else {
|
|
$query = str_replace('{$__cakeID__$}',$ins[0], $query);
|
|
}
|
|
|
|
$query = str_replace(' WHERE 1 = 1', '', $query);
|
|
}
|
|
|
|
$foreignKey = $model->hasAndBelongsToMany[$association]['foreignKey'];
|
|
$joinKeys = array($foreignKey, $model->hasAndBelongsToMany[$association]['associationForeignKey']);
|
|
list($with, $habtmFields) = $model->joinModel($model->hasAndBelongsToMany[$association]['with'], $joinKeys);
|
|
$habtmFieldsCount = count($habtmFields);
|
|
$q = $this->insertQueryData($query, null, $association, $assocData, $model, $linkModel, $stack);
|
|
|
|
if ($q != false) {
|
|
$fetch = $this->fetchAll($q, $model->cacheQueries, $model->alias);
|
|
} else {
|
|
$fetch = null;
|
|
}
|
|
}
|
|
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$row =& $resultSet[$i];
|
|
|
|
if ($type !== 'hasAndBelongsToMany') {
|
|
$q = $this->insertQueryData($query, $resultSet[$i], $association, $assocData, $model, $linkModel, $stack);
|
|
if ($q != false) {
|
|
$fetch = $this->fetchAll($q, $model->cacheQueries, $model->alias);
|
|
} else {
|
|
$fetch = null;
|
|
}
|
|
}
|
|
$selfJoin = false;
|
|
|
|
if ($linkModel->name === $model->name) {
|
|
$selfJoin = true;
|
|
}
|
|
|
|
if (!empty($fetch) && is_array($fetch)) {
|
|
if ($recursive > 0) {
|
|
foreach ($linkModel->associations() as $type1) {
|
|
foreach ($linkModel->{$type1} as $assoc1 => $assocData1) {
|
|
$deepModel =& $linkModel->{$assoc1};
|
|
|
|
if (($type1 === 'belongsTo') || ($deepModel->alias === $model->alias && $type === 'belongsTo') || ($deepModel->alias != $model->alias)) {
|
|
$tmpStack = $stack;
|
|
$tmpStack[] = $assoc1;
|
|
if ($linkModel->useDbConfig == $deepModel->useDbConfig) {
|
|
$db =& $this;
|
|
} else {
|
|
$db =& ConnectionManager::getDataSource($deepModel->useDbConfig);
|
|
}
|
|
$db->queryAssociation($linkModel, $deepModel, $type1, $assoc1, $assocData1, $queryData, true, $fetch, $recursive - 1, $tmpStack);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($type == 'hasAndBelongsToMany') {
|
|
$uniqueIds = $merge = array();
|
|
|
|
foreach ($fetch as $j => $data) {
|
|
if (
|
|
(isset($data[$with]) && $data[$with][$foreignKey] === $row[$model->alias][$model->primaryKey])
|
|
) {
|
|
if ($habtmFieldsCount <= 2) {
|
|
unset($data[$with]);
|
|
}
|
|
$merge[] = $data;
|
|
}
|
|
}
|
|
if (empty($merge) && !isset($row[$association])) {
|
|
$row[$association] = $merge;
|
|
} else {
|
|
$this->__mergeAssociation($resultSet[$i], $merge, $association, $type);
|
|
}
|
|
} else {
|
|
$this->__mergeAssociation($resultSet[$i], $fetch, $association, $type, $selfJoin);
|
|
}
|
|
if (isset($resultSet[$i][$association])) {
|
|
$resultSet[$i][$association] = $linkModel->afterFind($resultSet[$i][$association], false);
|
|
}
|
|
} else {
|
|
$tempArray[0][$association] = false;
|
|
$this->__mergeAssociation($resultSet[$i], $tempArray, $association, $type, $selfJoin);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A more efficient way to fetch associations. Woohoo!
|
|
*
|
|
* @param model $model Primary model object
|
|
* @param string $query Association query
|
|
* @param array $ids Array of IDs of associated records
|
|
* @return array Association results
|
|
*/
|
|
public function fetchAssociated($model, $query, $ids) {
|
|
$query = str_replace('{$__cakeID__$}', implode(', ', $ids), $query);
|
|
if (count($ids) > 1) {
|
|
$query = str_replace('= (', 'IN (', $query);
|
|
}
|
|
return $this->fetchAll($query, $model->cacheQueries, $model->alias);
|
|
}
|
|
|
|
/**
|
|
* mergeHasMany - Merge the results of hasMany relations.
|
|
*
|
|
*
|
|
* @param array $resultSet Data to merge into
|
|
* @param array $merge Data to merge
|
|
* @param string $association Name of Model being Merged
|
|
* @param object $model Model being merged onto
|
|
* @param object $linkModel Model being merged
|
|
* @return void
|
|
*/
|
|
function __mergeHasMany(&$resultSet, $merge, $association, &$model, &$linkModel) {
|
|
foreach ($resultSet as $i => $value) {
|
|
$count = 0;
|
|
$merged[$association] = array();
|
|
foreach ($merge as $j => $data) {
|
|
if (isset($value[$model->alias]) && $value[$model->alias][$model->primaryKey] === $data[$association][$model->hasMany[$association]['foreignKey']]) {
|
|
if (count($data) > 1) {
|
|
$data = array_merge($data[$association], $data);
|
|
unset($data[$association]);
|
|
foreach ($data as $key => $name) {
|
|
if (is_numeric($key)) {
|
|
$data[$association][] = $name;
|
|
unset($data[$key]);
|
|
}
|
|
}
|
|
$merged[$association][] = $data;
|
|
} else {
|
|
$merged[$association][] = $data[$association];
|
|
}
|
|
}
|
|
$count++;
|
|
}
|
|
if (isset($value[$model->alias])) {
|
|
$resultSet[$i] = Set::pushDiff($resultSet[$i], $merged);
|
|
unset($merged);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $data
|
|
* @param unknown_type $merge
|
|
* @param unknown_type $association
|
|
* @param unknown_type $type
|
|
* @param boolean $selfJoin
|
|
* @access private
|
|
*/
|
|
function __mergeAssociation(&$data, $merge, $association, $type, $selfJoin = false) {
|
|
if (isset($merge[0]) && !isset($merge[0][$association])) {
|
|
$association = Inflector::pluralize($association);
|
|
}
|
|
|
|
if ($type == 'belongsTo' || $type == 'hasOne') {
|
|
if (isset($merge[$association])) {
|
|
$data[$association] = $merge[$association][0];
|
|
} else {
|
|
if (count($merge[0][$association]) > 1) {
|
|
foreach ($merge[0] as $assoc => $data2) {
|
|
if ($assoc != $association) {
|
|
$merge[0][$association][$assoc] = $data2;
|
|
}
|
|
}
|
|
}
|
|
if (!isset($data[$association])) {
|
|
if ($merge[0][$association] != null) {
|
|
$data[$association] = $merge[0][$association];
|
|
} else {
|
|
$data[$association] = array();
|
|
}
|
|
} else {
|
|
if (is_array($merge[0][$association])) {
|
|
foreach ($data[$association] as $k => $v) {
|
|
if (!is_array($v)) {
|
|
$dataAssocTmp[$k] = $v;
|
|
}
|
|
}
|
|
|
|
foreach ($merge[0][$association] as $k => $v) {
|
|
if (!is_array($v)) {
|
|
$mergeAssocTmp[$k] = $v;
|
|
}
|
|
}
|
|
$dataKeys = array_keys($data);
|
|
$mergeKeys = array_keys($merge[0]);
|
|
|
|
if ($mergeKeys[0] === $dataKeys[0] || $mergeKeys === $dataKeys) {
|
|
$data[$association][$association] = $merge[0][$association];
|
|
} else {
|
|
$diff = Set::diff($dataAssocTmp, $mergeAssocTmp);
|
|
$data[$association] = array_merge($merge[0][$association], $diff);
|
|
}
|
|
} elseif ($selfJoin && array_key_exists($association, $merge[0])) {
|
|
$data[$association] = array_merge($data[$association], array($association => array()));
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (isset($merge[0][$association]) && $merge[0][$association] === false) {
|
|
if (!isset($data[$association])) {
|
|
$data[$association] = array();
|
|
}
|
|
} else {
|
|
foreach ($merge as $i => $row) {
|
|
if (count($row) == 1) {
|
|
if (empty($data[$association]) || (isset($data[$association]) && !in_array($row[$association], $data[$association]))) {
|
|
$data[$association][] = $row[$association];
|
|
}
|
|
} else if (!empty($row)) {
|
|
$tmp = array_merge($row[$association], $row);
|
|
unset($tmp[$association]);
|
|
$data[$association][] = $tmp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates an array representing a query or part of a query from a single model or two associated models
|
|
*
|
|
* @param Model $model
|
|
* @param Model $linkModel
|
|
* @param string $type
|
|
* @param string $association
|
|
* @param array $assocData
|
|
* @param array $queryData
|
|
* @param boolean $external
|
|
* @param array $resultSet
|
|
* @return mixed
|
|
*/
|
|
public function generateAssociationQuery(&$model, &$linkModel, $type, $association = null, $assocData = array(), &$queryData, $external = false, &$resultSet) {
|
|
$queryData = $this->__scrubQueryData($queryData);
|
|
$assocData = $this->__scrubQueryData($assocData);
|
|
|
|
if (empty($queryData['fields'])) {
|
|
$queryData['fields'] = $this->fields($model, $model->alias);
|
|
} elseif (!empty($model->hasMany) && $model->recursive > -1) {
|
|
$assocFields = $this->fields($model, $model->alias, array("{$model->alias}.{$model->primaryKey}"));
|
|
$passedFields = $this->fields($model, $model->alias, $queryData['fields']);
|
|
if (count($passedFields) === 1) {
|
|
$match = strpos($passedFields[0], $assocFields[0]);
|
|
$match1 = (bool)preg_match('/^[a-z]+\(/i', $passedFields[0]);
|
|
|
|
if ($match === false && $match1 === false) {
|
|
$queryData['fields'] = array_merge($passedFields, $assocFields);
|
|
} else {
|
|
$queryData['fields'] = $passedFields;
|
|
}
|
|
} else {
|
|
$queryData['fields'] = array_merge($passedFields, $assocFields);
|
|
}
|
|
unset($assocFields, $passedFields);
|
|
}
|
|
|
|
if ($linkModel == null) {
|
|
return $this->buildStatement(
|
|
array(
|
|
'fields' => array_unique($queryData['fields']),
|
|
'table' => $this->fullTableName($model),
|
|
'alias' => $model->alias,
|
|
'limit' => $queryData['limit'],
|
|
'offset' => $queryData['offset'],
|
|
'joins' => $queryData['joins'],
|
|
'conditions' => $queryData['conditions'],
|
|
'order' => $queryData['order'],
|
|
'group' => $queryData['group']
|
|
),
|
|
$model
|
|
);
|
|
}
|
|
if ($external && !empty($assocData['finderQuery'])) {
|
|
return $assocData['finderQuery'];
|
|
}
|
|
|
|
$alias = $association;
|
|
$self = ($model->name == $linkModel->name);
|
|
$fields = array();
|
|
|
|
if ((!$external && in_array($type, array('hasOne', 'belongsTo')) && $this->__bypass === false) || $external) {
|
|
$fields = $this->fields($linkModel, $alias, $assocData['fields']);
|
|
}
|
|
if (empty($assocData['offset']) && !empty($assocData['page'])) {
|
|
$assocData['offset'] = ($assocData['page'] - 1) * $assocData['limit'];
|
|
}
|
|
$assocData['limit'] = $this->limit($assocData['limit'], $assocData['offset']);
|
|
|
|
switch ($type) {
|
|
case 'hasOne':
|
|
case 'belongsTo':
|
|
$conditions = $this->__mergeConditions(
|
|
$assocData['conditions'],
|
|
$this->getConstraint($type, $model, $linkModel, $alias, array_merge($assocData, compact('external', 'self')))
|
|
);
|
|
|
|
if (!$self && $external) {
|
|
foreach ($conditions as $key => $condition) {
|
|
if (is_numeric($key) && strpos($condition, $model->alias . '.') !== false) {
|
|
unset($conditions[$key]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($external) {
|
|
$query = array_merge($assocData, array(
|
|
'conditions' => $conditions,
|
|
'table' => $this->fullTableName($linkModel),
|
|
'fields' => $fields,
|
|
'alias' => $alias,
|
|
'group' => null
|
|
));
|
|
$query = array_merge(array('order' => $assocData['order'], 'limit' => $assocData['limit']), $query);
|
|
} else {
|
|
$join = array(
|
|
'table' => $this->fullTableName($linkModel),
|
|
'alias' => $alias,
|
|
'type' => isset($assocData['type']) ? $assocData['type'] : 'LEFT',
|
|
'conditions' => trim($this->conditions($conditions, true, false, $model))
|
|
);
|
|
$queryData['fields'] = array_merge($queryData['fields'], $fields);
|
|
|
|
if (!empty($assocData['order'])) {
|
|
$queryData['order'][] = $assocData['order'];
|
|
}
|
|
if (!in_array($join, $queryData['joins'])) {
|
|
$queryData['joins'][] = $join;
|
|
}
|
|
return true;
|
|
}
|
|
break;
|
|
case 'hasMany':
|
|
$assocData['fields'] = $this->fields($linkModel, $alias, $assocData['fields']);
|
|
if (!empty($assocData['foreignKey'])) {
|
|
$assocData['fields'] = array_merge($assocData['fields'], $this->fields($linkModel, $alias, array("{$alias}.{$assocData['foreignKey']}")));
|
|
}
|
|
$query = array(
|
|
'conditions' => $this->__mergeConditions($this->getConstraint('hasMany', $model, $linkModel, $alias, $assocData), $assocData['conditions']),
|
|
'fields' => array_unique($assocData['fields']),
|
|
'table' => $this->fullTableName($linkModel),
|
|
'alias' => $alias,
|
|
'order' => $assocData['order'],
|
|
'limit' => $assocData['limit'],
|
|
'group' => null
|
|
);
|
|
break;
|
|
case 'hasAndBelongsToMany':
|
|
$joinFields = array();
|
|
$joinAssoc = null;
|
|
|
|
if (isset($assocData['with']) && !empty($assocData['with'])) {
|
|
$joinKeys = array($assocData['foreignKey'], $assocData['associationForeignKey']);
|
|
list($with, $joinFields) = $model->joinModel($assocData['with'], $joinKeys);
|
|
|
|
$joinTbl = $this->fullTableName($model->{$with});
|
|
$joinAlias = $joinTbl;
|
|
|
|
if (is_array($joinFields) && !empty($joinFields)) {
|
|
$joinFields = $this->fields($model->{$with}, $model->{$with}->alias, $joinFields);
|
|
$joinAssoc = $joinAlias = $model->{$with}->alias;
|
|
} else {
|
|
$joinFields = array();
|
|
}
|
|
} else {
|
|
$joinTbl = $this->fullTableName($assocData['joinTable']);
|
|
$joinAlias = $joinTbl;
|
|
}
|
|
$query = array(
|
|
'conditions' => $assocData['conditions'],
|
|
'limit' => $assocData['limit'],
|
|
'table' => $this->fullTableName($linkModel),
|
|
'alias' => $alias,
|
|
'fields' => array_merge($this->fields($linkModel, $alias, $assocData['fields']), $joinFields),
|
|
'order' => $assocData['order'],
|
|
'group' => null,
|
|
'joins' => array(array(
|
|
'table' => $joinTbl,
|
|
'alias' => $joinAssoc,
|
|
'conditions' => $this->getConstraint('hasAndBelongsToMany', $model, $linkModel, $joinAlias, $assocData, $alias)
|
|
))
|
|
);
|
|
break;
|
|
}
|
|
if (isset($query)) {
|
|
return $this->buildStatement($query, $model);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns a conditions array for the constraint between two models
|
|
*
|
|
* @param string $type Association type
|
|
* @param object $model Model object
|
|
* @param array $association Association array
|
|
* @return array Conditions array defining the constraint between $model and $association
|
|
*/
|
|
public function getConstraint($type, $model, $linkModel, $alias, $assoc, $alias2 = null) {
|
|
$assoc = array_merge(array('external' => false, 'self' => false), $assoc);
|
|
|
|
if (array_key_exists('foreignKey', $assoc) && empty($assoc['foreignKey'])) {
|
|
return array();
|
|
}
|
|
|
|
switch (true) {
|
|
case ($assoc['external'] && $type == 'hasOne'):
|
|
return array("{$alias}.{$assoc['foreignKey']}" => '{$__cakeID__$}');
|
|
break;
|
|
case ($assoc['external'] && $type == 'belongsTo'):
|
|
return array("{$alias}.{$linkModel->primaryKey}" => '{$__cakeForeignKey__$}');
|
|
break;
|
|
case (!$assoc['external'] && $type == 'hasOne'):
|
|
return array("{$alias}.{$assoc['foreignKey']}" => $this->identifier("{$model->alias}.{$model->primaryKey}"));
|
|
break;
|
|
case (!$assoc['external'] && $type == 'belongsTo'):
|
|
return array("{$model->alias}.{$assoc['foreignKey']}" => $this->identifier("{$alias}.{$linkModel->primaryKey}"));
|
|
break;
|
|
case ($type == 'hasMany'):
|
|
return array("{$alias}.{$assoc['foreignKey']}" => array('{$__cakeID__$}'));
|
|
break;
|
|
case ($type == 'hasAndBelongsToMany'):
|
|
return array(
|
|
array("{$alias}.{$assoc['foreignKey']}" => '{$__cakeID__$}'),
|
|
array("{$alias}.{$assoc['associationForeignKey']}" => $this->identifier("{$alias2}.{$linkModel->primaryKey}"))
|
|
);
|
|
break;
|
|
}
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Builds and generates a JOIN statement from an array. Handles final clean-up before conversion.
|
|
*
|
|
* @param array $join An array defining a JOIN statement in a query
|
|
* @return string An SQL JOIN statement to be used in a query
|
|
* @access public
|
|
* @see DboSource::renderJoinStatement()
|
|
* @see DboSource::buildStatement()
|
|
*/
|
|
public function buildJoinStatement($join) {
|
|
$data = array_merge(array(
|
|
'type' => null,
|
|
'alias' => null,
|
|
'table' => 'join_table',
|
|
'conditions' => array()
|
|
), $join);
|
|
|
|
if (!empty($data['alias'])) {
|
|
$data['alias'] = $this->alias . $this->name($data['alias']);
|
|
}
|
|
if (!empty($data['conditions'])) {
|
|
$data['conditions'] = trim($this->conditions($data['conditions'], true, false));
|
|
}
|
|
return $this->renderJoinStatement($data);
|
|
}
|
|
|
|
/**
|
|
* Builds and generates an SQL statement from an array. Handles final clean-up before conversion.
|
|
*
|
|
* @param array $query An array defining an SQL query
|
|
* @param object $model The model object which initiated the query
|
|
* @return string An executable SQL statement
|
|
* @access public
|
|
* @see DboSource::renderStatement()
|
|
*/
|
|
public function buildStatement($query, &$model) {
|
|
$query = array_merge(array('offset' => null, 'joins' => array()), $query);
|
|
if (!empty($query['joins'])) {
|
|
$count = count($query['joins']);
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if (is_array($query['joins'][$i])) {
|
|
$query['joins'][$i] = $this->buildJoinStatement($query['joins'][$i]);
|
|
}
|
|
}
|
|
}
|
|
return $this->renderStatement('select', array(
|
|
'conditions' => $this->conditions($query['conditions'], true, true, $model),
|
|
'fields' => implode(', ', $query['fields']),
|
|
'table' => $query['table'],
|
|
'alias' => $this->alias . $this->name($query['alias']),
|
|
'order' => $this->order($query['order'], 'ASC', $model),
|
|
'limit' => $this->limit($query['limit'], $query['offset']),
|
|
'joins' => implode(' ', $query['joins']),
|
|
'group' => $this->group($query['group'], $model)
|
|
));
|
|
}
|
|
|
|
/**
|
|
* Renders a final SQL JOIN statement
|
|
*
|
|
* @param array $data
|
|
* @return string
|
|
*/
|
|
public function renderJoinStatement($data) {
|
|
extract($data);
|
|
return trim("{$type} JOIN {$table} {$alias} ON ({$conditions})");
|
|
}
|
|
|
|
/**
|
|
* Renders a final SQL statement by putting together the component parts in the correct order
|
|
*
|
|
* @param string $type type of query being run. e.g select, create, update, delete, schema, alter.
|
|
* @param array $data Array of data to insert into the query.
|
|
* @return string Rendered SQL expression to be run.
|
|
*/
|
|
public function renderStatement($type, $data) {
|
|
extract($data);
|
|
$aliases = null;
|
|
|
|
switch (strtolower($type)) {
|
|
case 'select':
|
|
return "SELECT {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$group} {$order} {$limit}";
|
|
break;
|
|
case 'create':
|
|
return "INSERT INTO {$table} ({$fields}) VALUES ({$values})";
|
|
break;
|
|
case 'update':
|
|
if (!empty($alias)) {
|
|
$aliases = "{$this->alias}{$alias} {$joins} ";
|
|
}
|
|
return "UPDATE {$table} {$aliases}SET {$fields} {$conditions}";
|
|
break;
|
|
case 'delete':
|
|
if (!empty($alias)) {
|
|
$aliases = "{$this->alias}{$alias} {$joins} ";
|
|
}
|
|
return "DELETE {$alias} FROM {$table} {$aliases}{$conditions}";
|
|
break;
|
|
case 'schema':
|
|
foreach (array('columns', 'indexes', 'tableParameters') as $var) {
|
|
if (is_array(${$var})) {
|
|
${$var} = "\t" . join(",\n\t", array_filter(${$var}));
|
|
} else {
|
|
${$var} = '';
|
|
}
|
|
}
|
|
if (trim($indexes) != '') {
|
|
$columns .= ',';
|
|
}
|
|
return "CREATE TABLE {$table} (\n{$columns}{$indexes}){$tableParameters};";
|
|
break;
|
|
case 'alter':
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merges a mixed set of string/array conditions
|
|
*
|
|
* @return array
|
|
* @access private
|
|
*/
|
|
function __mergeConditions($query, $assoc) {
|
|
if (empty($assoc)) {
|
|
return $query;
|
|
}
|
|
|
|
if (is_array($query)) {
|
|
return array_merge((array)$assoc, $query);
|
|
}
|
|
|
|
if (!empty($query)) {
|
|
$query = array($query);
|
|
if (is_array($assoc)) {
|
|
$query = array_merge($query, $assoc);
|
|
} else {
|
|
$query[] = $assoc;
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
return $assoc;
|
|
}
|
|
|
|
/**
|
|
* Generates and executes an SQL UPDATE statement for given model, fields, and values.
|
|
* For databases that do not support aliases in UPDATE queries.
|
|
*
|
|
* @param Model $model
|
|
* @param array $fields
|
|
* @param array $values
|
|
* @param mixed $conditions
|
|
* @return boolean Success
|
|
*/
|
|
public function update(&$model, $fields = array(), $values = null, $conditions = null) {
|
|
if ($values == null) {
|
|
$combined = $fields;
|
|
} else {
|
|
$combined = array_combine($fields, $values);
|
|
}
|
|
|
|
$fields = implode(', ', $this->_prepareUpdateFields($model, $combined, empty($conditions)));
|
|
|
|
$alias = $joins = null;
|
|
$table = $this->fullTableName($model);
|
|
$conditions = $this->_matchRecords($model, $conditions);
|
|
|
|
if ($conditions === false) {
|
|
return false;
|
|
}
|
|
$query = compact('table', 'alias', 'joins', 'fields', 'conditions');
|
|
|
|
if (!$this->execute($this->renderStatement('update', $query))) {
|
|
$model->onError();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Quotes and prepares fields and values for an SQL UPDATE statement
|
|
*
|
|
* @param Model $model
|
|
* @param array $fields
|
|
* @param boolean $quoteValues If values should be quoted, or treated as SQL snippets
|
|
* @param boolean $alias Include the model alias in the field name
|
|
* @return array Fields and values, quoted and preparted
|
|
*/
|
|
protected function _prepareUpdateFields(&$model, $fields, $quoteValues = true, $alias = false) {
|
|
$quotedAlias = $this->startQuote . $model->alias . $this->endQuote;
|
|
|
|
$updates = array();
|
|
foreach ($fields as $field => $value) {
|
|
if ($alias && strpos($field, '.') === false) {
|
|
$quoted = $model->escapeField($field);
|
|
} elseif (!$alias && strpos($field, '.') !== false) {
|
|
$quoted = $this->name(str_replace($quotedAlias . '.', '', str_replace(
|
|
$model->alias . '.', '', $field
|
|
)));
|
|
} else {
|
|
$quoted = $this->name($field);
|
|
}
|
|
|
|
if ($value === null) {
|
|
$updates[] = $quoted . ' = NULL';
|
|
continue;
|
|
}
|
|
$update = $quoted . ' = ';
|
|
|
|
if ($quoteValues) {
|
|
$update .= $this->value($value, $model->getColumnType($field), false);
|
|
} elseif (!$alias) {
|
|
$update .= str_replace($quotedAlias . '.', '', str_replace(
|
|
$model->alias . '.', '', $value
|
|
));
|
|
} else {
|
|
$update .= $value;
|
|
}
|
|
$updates[] = $update;
|
|
}
|
|
return $updates;
|
|
}
|
|
|
|
/**
|
|
* Generates and executes an SQL DELETE statement.
|
|
* For databases that do not support aliases in UPDATE queries.
|
|
*
|
|
* @param Model $model
|
|
* @param mixed $conditions
|
|
* @return boolean Success
|
|
*/
|
|
public function delete(&$model, $conditions = null) {
|
|
$alias = $joins = null;
|
|
$table = $this->fullTableName($model);
|
|
$conditions = $this->_matchRecords($model, $conditions);
|
|
|
|
if ($conditions === false) {
|
|
return false;
|
|
}
|
|
|
|
if ($this->execute($this->renderStatement('delete', compact('alias', 'table', 'joins', 'conditions'))) === false) {
|
|
$model->onError();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets a list of record IDs for the given conditions. Used for multi-record updates and deletes
|
|
* in databases that do not support aliases in UPDATE/DELETE queries.
|
|
*
|
|
* @param Model $model
|
|
* @param mixed $conditions
|
|
* @return array List of record IDs
|
|
*/
|
|
protected function _matchRecords(&$model, $conditions = null) {
|
|
if ($conditions === true) {
|
|
$conditions = $this->conditions(true);
|
|
} elseif ($conditions === null) {
|
|
$conditions = $this->conditions($this->defaultConditions($model, $conditions, false), true, true, $model);
|
|
} else {
|
|
$noJoin = true;
|
|
foreach ($conditions as $field => $value) {
|
|
$originalField = $field;
|
|
if (strpos($field, '.') !== false) {
|
|
list($alias, $field) = explode('.', $field);
|
|
$field = ltrim($field, $this->startQuote);
|
|
$field = rtrim($field, $this->endQuote);
|
|
}
|
|
if (!$model->hasField($field)) {
|
|
$noJoin = false;
|
|
break;
|
|
}
|
|
if ($field !== $originalField) {
|
|
$conditions[$field] = $value;
|
|
unset($conditions[$originalField]);
|
|
}
|
|
}
|
|
if ($noJoin === true) {
|
|
return $this->conditions($conditions);
|
|
}
|
|
$idList = $model->find('all', array(
|
|
'fields' => "{$model->alias}.{$model->primaryKey}",
|
|
'conditions' => $conditions
|
|
));
|
|
|
|
if (empty($idList)) {
|
|
return false;
|
|
}
|
|
$conditions = $this->conditions(array(
|
|
$model->primaryKey => Set::extract($idList, "{n}.{$model->alias}.{$model->primaryKey}")
|
|
));
|
|
}
|
|
return $conditions;
|
|
}
|
|
|
|
/**
|
|
* Returns an array of SQL JOIN fragments from a model's associations
|
|
*
|
|
* @param object $model
|
|
* @return array
|
|
*/
|
|
protected function _getJoins($model) {
|
|
$join = array();
|
|
$joins = array_merge($model->getAssociated('hasOne'), $model->getAssociated('belongsTo'));
|
|
|
|
foreach ($joins as $assoc) {
|
|
if (isset($model->{$assoc}) && $model->useDbConfig == $model->{$assoc}->useDbConfig) {
|
|
$assocData = $model->getAssociated($assoc);
|
|
$join[] = $this->buildJoinStatement(array(
|
|
'table' => $this->fullTableName($model->{$assoc}),
|
|
'alias' => $assoc,
|
|
'type' => isset($assocData['type']) ? $assocData['type'] : 'LEFT',
|
|
'conditions' => trim($this->conditions(
|
|
$this->__mergeConditions($assocData['conditions'], $this->getConstraint($assocData['association'], $model, $model->{$assoc}, $assoc, $assocData)),
|
|
true, false, $model
|
|
))
|
|
));
|
|
}
|
|
}
|
|
return $join;
|
|
}
|
|
|
|
/**
|
|
* Returns an SQL calculation, i.e. COUNT() or MAX()
|
|
*
|
|
* @param model $model
|
|
* @param string $func Lowercase name of SQL function, i.e. 'count' or 'max'
|
|
* @param array $params Function parameters (any values must be quoted manually)
|
|
* @return string An SQL calculation function
|
|
*/
|
|
public function calculate(&$model, $func, $params = array()) {
|
|
$params = (array)$params;
|
|
|
|
switch (strtolower($func)) {
|
|
case 'count':
|
|
if (!isset($params[0])) {
|
|
$params[0] = '*';
|
|
}
|
|
if (!isset($params[1])) {
|
|
$params[1] = 'count';
|
|
}
|
|
if (is_object($model) && $model->isVirtualField($params[0])){
|
|
$arg = $this->__quoteFields($model->getVirtualField($params[0]));
|
|
} else {
|
|
$arg = $this->name($params[0]);
|
|
}
|
|
return 'COUNT(' . $arg . ') AS ' . $this->name($params[1]);
|
|
case 'max':
|
|
case 'min':
|
|
if (!isset($params[1])) {
|
|
$params[1] = $params[0];
|
|
}
|
|
if (is_object($model) && $model->isVirtualField($params[0])) {
|
|
$arg = $this->__quoteFields($model->getVirtualField($params[0]));
|
|
} else {
|
|
$arg = $this->name($params[0]);
|
|
}
|
|
return strtoupper($func) . '(' . $arg . ') AS ' . $this->name($params[1]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deletes all the records in a table and resets the count of the auto-incrementing
|
|
* primary key, where applicable.
|
|
*
|
|
* @param mixed $table A string or model class representing the table to be truncated
|
|
* @return boolean SQL TRUNCATE TABLE statement, false if not applicable.
|
|
*/
|
|
public function truncate($table) {
|
|
return $this->execute('TRUNCATE TABLE ' . $this->fullTableName($table));
|
|
}
|
|
|
|
/**
|
|
* Begin a transaction
|
|
*
|
|
* @param model $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
public function begin(&$model) {
|
|
if (parent::begin($model) && $this->execute($this->_commands['begin'])) {
|
|
$this->_transactionStarted = true;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Commit a transaction
|
|
*
|
|
* @param model $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
public function commit(&$model) {
|
|
if (parent::commit($model) && $this->execute($this->_commands['commit'])) {
|
|
$this->_transactionStarted = false;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Rollback a transaction
|
|
*
|
|
* @param model $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
public function rollback(&$model) {
|
|
if (parent::rollback($model) && $this->execute($this->_commands['rollback'])) {
|
|
$this->_transactionStarted = false;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Creates a default set of conditions from the model if $conditions is null/empty.
|
|
* If conditions are supplied then they will be returned. If a model doesn't exist and no conditions
|
|
* were provided either null or false will be returned based on what was input.
|
|
*
|
|
* @param object $model
|
|
* @param mixed $conditions Array of conditions, conditions string, null or false. If an array of conditions,
|
|
* or string conditions those conditions will be returned. With other values the model's existance will be checked.
|
|
* If the model doesn't exist a null or false will be returned depending on the input value.
|
|
* @param boolean $useAlias Use model aliases rather than table names when generating conditions
|
|
* @return mixed Either null, false, $conditions or an array of default conditions to use.
|
|
* @see DboSource::update()
|
|
* @see DboSource::conditions()
|
|
*/
|
|
public function defaultConditions(&$model, $conditions, $useAlias = true) {
|
|
if (!empty($conditions)) {
|
|
return $conditions;
|
|
}
|
|
$exists = $model->exists();
|
|
if (!$exists && $conditions !== null) {
|
|
return false;
|
|
} elseif (!$exists) {
|
|
return null;
|
|
}
|
|
$alias = $model->alias;
|
|
|
|
if (!$useAlias) {
|
|
$alias = $this->fullTableName($model, false);
|
|
}
|
|
return array("{$alias}.{$model->primaryKey}" => $model->getID());
|
|
}
|
|
|
|
/**
|
|
* Returns a key formatted like a string Model.fieldname(i.e. Post.title, or Country.name)
|
|
*
|
|
* @param unknown_type $model
|
|
* @param unknown_type $key
|
|
* @param unknown_type $assoc
|
|
* @return string
|
|
*/
|
|
public function resolveKey($model, $key, $assoc = null) {
|
|
if (empty($assoc)) {
|
|
$assoc = $model->alias;
|
|
}
|
|
if (!strpos('.', $key)) {
|
|
return $this->name($model->alias) . '.' . $this->name($key);
|
|
}
|
|
return $key;
|
|
}
|
|
|
|
/**
|
|
* Private helper method to remove query metadata in given data array.
|
|
*
|
|
* @param array $data
|
|
* @return array
|
|
*/
|
|
public function __scrubQueryData($data) {
|
|
foreach (array('conditions', 'fields', 'joins', 'order', 'limit', 'offset', 'group') as $key) {
|
|
if (empty($data[$key])) {
|
|
$data[$key] = array();
|
|
}
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Converts model virtual fields into sql expressions to be fetched later
|
|
*
|
|
* @param Model $model
|
|
* @param string $alias Alias tablename
|
|
* @param mixed $fields virtual fields to be used on query
|
|
* @return array
|
|
*/
|
|
protected function _constructVirtualFields(&$model, $alias, $fields) {
|
|
$virtual = array();
|
|
foreach ($fields as $field) {
|
|
$virtualField = $this->name($alias . $this->virtualFieldSeparator . $field);
|
|
$expression = $this->__quoteFields($model->getVirtualField($field));
|
|
$virtual[] = '(' . $expression . ") {$this->alias} {$virtualField}";
|
|
}
|
|
return $virtual;
|
|
}
|
|
|
|
/**
|
|
* Generates the fields list of an SQL query.
|
|
*
|
|
* @param Model $model
|
|
* @param string $alias Alias tablename
|
|
* @param mixed $fields
|
|
* @param boolean $quote If false, returns fields array unquoted
|
|
* @return array
|
|
*/
|
|
public function fields(&$model, $alias = null, $fields = array(), $quote = true) {
|
|
if (empty($alias)) {
|
|
$alias = $model->alias;
|
|
}
|
|
$cacheKey = array(
|
|
$model->useDbConfig,
|
|
$model->table,
|
|
array_keys($model->schema()),
|
|
$model->name,
|
|
$model->getVirtualField(),
|
|
$alias,
|
|
$fields,
|
|
$quote
|
|
);
|
|
$cacheKey = crc32(serialize($cacheKey));
|
|
if ($return = $this->cacheMethod(__FUNCTION__, $cacheKey)) {
|
|
return $return;
|
|
}
|
|
$allFields = empty($fields);
|
|
if ($allFields) {
|
|
$fields = array_keys($model->schema());
|
|
} elseif (!is_array($fields)) {
|
|
$fields = String::tokenize($fields);
|
|
}
|
|
$fields = array_values(array_filter($fields));
|
|
$allFields = $allFields || in_array('*', $fields) || in_array($model->alias . '.*', $fields);
|
|
|
|
$virtual = array();
|
|
$virtualFields = $model->getVirtualField();
|
|
if (!empty($virtualFields)) {
|
|
$virtualKeys = array_keys($virtualFields);
|
|
foreach ($virtualKeys as $field) {
|
|
$virtualKeys[] = $model->alias . '.' . $field;
|
|
}
|
|
$virtual = ($allFields) ? $virtualKeys : array_intersect($virtualKeys, $fields);
|
|
foreach ($virtual as $i => $field) {
|
|
if (strpos($field, '.') !== false) {
|
|
$virtual[$i] = str_replace($model->alias . '.', '', $field);
|
|
}
|
|
$fields = array_diff($fields, array($field));
|
|
}
|
|
$fields = array_values($fields);
|
|
}
|
|
|
|
if (!$quote) {
|
|
if (!empty($virtual)) {
|
|
$fields = array_merge($fields, $this->_constructVirtualFields($model, $alias, $virtual));
|
|
}
|
|
return $fields;
|
|
}
|
|
$count = count($fields);
|
|
|
|
if ($count >= 1 && !in_array($fields[0], array('*', 'COUNT(*)'))) {
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if (is_string($fields[$i]) && in_array($fields[$i], $virtual)) {
|
|
unset($fields[$i]);
|
|
continue;
|
|
}
|
|
if (is_object($fields[$i]) && isset($fields[$i]->type) && $fields[$i]->type === 'expression') {
|
|
$fields[$i] = $fields[$i]->value;
|
|
} elseif (preg_match('/^\(.*\)\s' . $this->alias . '.*/i', $fields[$i])){
|
|
continue;
|
|
} elseif (!preg_match('/^.+\\(.*\\)/', $fields[$i])) {
|
|
$prepend = '';
|
|
|
|
if (strpos($fields[$i], 'DISTINCT') !== false) {
|
|
$prepend = 'DISTINCT ';
|
|
$fields[$i] = trim(str_replace('DISTINCT', '', $fields[$i]));
|
|
}
|
|
$dot = strpos($fields[$i], '.');
|
|
|
|
if ($dot === false) {
|
|
$prefix = !(
|
|
strpos($fields[$i], ' ') !== false ||
|
|
strpos($fields[$i], '(') !== false
|
|
);
|
|
$fields[$i] = $this->name(($prefix ? $alias . '.' : '') . $fields[$i]);
|
|
} else {
|
|
$value = array();
|
|
$comma = strpos($fields[$i], ',');
|
|
if ($comma === false) {
|
|
$build = explode('.', $fields[$i]);
|
|
if (!Set::numeric($build)) {
|
|
$fields[$i] = $this->name(implode('.', $build));
|
|
}
|
|
}
|
|
}
|
|
$fields[$i] = $prepend . $fields[$i];
|
|
} elseif (preg_match('/\(([\.\w]+)\)/', $fields[$i], $field)) {
|
|
if (isset($field[1])) {
|
|
if (strpos($field[1], '.') === false) {
|
|
$field[1] = $this->name($alias . '.' . $field[1]);
|
|
} else {
|
|
$field[0] = explode('.', $field[1]);
|
|
if (!Set::numeric($field[0])) {
|
|
$field[0] = implode('.', array_map(array(&$this, 'name'), $field[0]));
|
|
$fields[$i] = preg_replace('/\(' . $field[1] . '\)/', '(' . $field[0] . ')', $fields[$i], 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!empty($virtual)) {
|
|
$fields = array_merge($fields, $this->_constructVirtualFields($model, $alias, $virtual));
|
|
}
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, array_unique($fields));
|
|
}
|
|
|
|
/**
|
|
* Creates a WHERE clause by parsing given conditions data. If an array or string
|
|
* conditions are provided those conditions will be parsed and quoted. If a boolean
|
|
* is given it will be integer cast as condition. Null will return 1 = 1.
|
|
*
|
|
* Results of this method are stored in a memory cache. This improves performance, but
|
|
* because the method uses a simple hashing algorithm it can infrequently have collisions.
|
|
* Setting DboSource::$cacheMethods to false will disable the memory cache.
|
|
*
|
|
* @param mixed $conditions Array or string of conditions, or any value.
|
|
* @param boolean $quoteValues If true, values should be quoted
|
|
* @param boolean $where If true, "WHERE " will be prepended to the return value
|
|
* @param Model $model A reference to the Model instance making the query
|
|
* @return string SQL fragment
|
|
*/
|
|
public function conditions($conditions, $quoteValues = true, $where = true, $model = null) {
|
|
if (is_object($model)) {
|
|
$cacheKey = array(
|
|
$model->useDbConfig,
|
|
$model->table,
|
|
$model->schema(),
|
|
$model->name,
|
|
$model->getVirtualField(),
|
|
$conditions,
|
|
$quoteValues,
|
|
$where
|
|
);
|
|
} else {
|
|
$cacheKey = array($conditions, $quoteValues, $where);
|
|
}
|
|
$cacheKey = crc32(serialize($cacheKey));
|
|
if ($return = $this->cacheMethod(__FUNCTION__, $cacheKey)) {
|
|
return $return;
|
|
}
|
|
|
|
$clause = $out = '';
|
|
|
|
if ($where) {
|
|
$clause = ' WHERE ';
|
|
}
|
|
|
|
if (is_array($conditions) && !empty($conditions)) {
|
|
$out = $this->conditionKeysToString($conditions, $quoteValues, $model);
|
|
|
|
if (empty($out)) {
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $clause . ' 1 = 1');
|
|
}
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $clause . implode(' AND ', $out));
|
|
}
|
|
if ($conditions === false || $conditions === true) {
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $clause . (int)$conditions . ' = 1');
|
|
}
|
|
|
|
if (empty($conditions) || trim($conditions) == '') {
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $clause . '1 = 1');
|
|
}
|
|
$clauses = '/^WHERE\\x20|^GROUP\\x20BY\\x20|^HAVING\\x20|^ORDER\\x20BY\\x20/i';
|
|
|
|
if (preg_match($clauses, $conditions, $match)) {
|
|
$clause = '';
|
|
}
|
|
if (trim($conditions) == '') {
|
|
$conditions = ' 1 = 1';
|
|
} else {
|
|
$conditions = $this->__quoteFields($conditions);
|
|
}
|
|
return $this->cacheMethod(__FUNCTION__, $cacheKey, $clause . $conditions);
|
|
}
|
|
|
|
/**
|
|
* Creates a WHERE clause by parsing given conditions array. Used by DboSource::conditions().
|
|
*
|
|
* @param array $conditions Array or string of conditions
|
|
* @param boolean $quoteValues If true, values should be quoted
|
|
* @param Model $model A reference to the Model instance making the query
|
|
* @return string SQL fragment
|
|
*/
|
|
public function conditionKeysToString($conditions, $quoteValues = true, $model = null) {
|
|
$c = 0;
|
|
$out = array();
|
|
$data = $columnType = null;
|
|
$bool = array('and', 'or', 'not', 'and not', 'or not', 'xor', '||', '&&');
|
|
|
|
foreach ($conditions as $key => $value) {
|
|
$join = ' AND ';
|
|
$not = null;
|
|
|
|
if (is_array($value)) {
|
|
$valueInsert = (
|
|
!empty($value) &&
|
|
(substr_count($key, '?') == count($value) || substr_count($key, ':') == count($value))
|
|
);
|
|
}
|
|
|
|
if (is_numeric($key) && empty($value)) {
|
|
continue;
|
|
} elseif (is_numeric($key) && is_string($value)) {
|
|
$out[] = $not . $this->__quoteFields($value);
|
|
} elseif ((is_numeric($key) && is_array($value)) || in_array(strtolower(trim($key)), $bool)) {
|
|
if (in_array(strtolower(trim($key)), $bool)) {
|
|
$join = ' ' . strtoupper($key) . ' ';
|
|
} else {
|
|
$key = $join;
|
|
}
|
|
$value = $this->conditionKeysToString($value, $quoteValues, $model);
|
|
|
|
if (strpos($join, 'NOT') !== false) {
|
|
if (strtoupper(trim($key)) == 'NOT') {
|
|
$key = 'AND ' . trim($key);
|
|
}
|
|
$not = 'NOT ';
|
|
}
|
|
|
|
if (empty($value[1])) {
|
|
if ($not) {
|
|
$out[] = $not . '(' . $value[0] . ')';
|
|
} else {
|
|
$out[] = $value[0] ;
|
|
}
|
|
} else {
|
|
$out[] = '(' . $not . '(' . implode(') ' . strtoupper($key) . ' (', $value) . '))';
|
|
}
|
|
|
|
} else {
|
|
if (is_object($value) && isset($value->type)) {
|
|
if ($value->type == 'identifier') {
|
|
$data .= $this->name($key) . ' = ' . $this->name($value->value);
|
|
} elseif ($value->type == 'expression') {
|
|
if (is_numeric($key)) {
|
|
$data .= $value->value;
|
|
} else {
|
|
$data .= $this->name($key) . ' = ' . $value->value;
|
|
}
|
|
}
|
|
} elseif (is_array($value) && !empty($value) && !$valueInsert) {
|
|
$keys = array_keys($value);
|
|
if ($keys === array_values($keys)) {
|
|
$count = count($value);
|
|
if ($count === 1) {
|
|
$data = $this->__quoteFields($key) . ' = (';
|
|
} else {
|
|
$data = $this->__quoteFields($key) . ' IN (';
|
|
}
|
|
if ($quoteValues) {
|
|
if (is_object($model)) {
|
|
$columnType = $model->getColumnType($key);
|
|
}
|
|
$data .= implode(', ', $this->value($value, $columnType));
|
|
}
|
|
$data .= ')';
|
|
} else {
|
|
$ret = $this->conditionKeysToString($value, $quoteValues, $model);
|
|
if (count($ret) > 1) {
|
|
$data = '(' . implode(') AND (', $ret) . ')';
|
|
} elseif (isset($ret[0])) {
|
|
$data = $ret[0];
|
|
}
|
|
}
|
|
} elseif (is_numeric($key) && !empty($value)) {
|
|
$data = $this->__quoteFields($value);
|
|
} else {
|
|
$data = $this->__parseKey($model, trim($key), $value);
|
|
}
|
|
|
|
if ($data != null) {
|
|
$out[] = $data;
|
|
$data = null;
|
|
}
|
|
}
|
|
$c++;
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Extracts a Model.field identifier and an SQL condition operator from a string, formats
|
|
* and inserts values, and composes them into an SQL snippet.
|
|
*
|
|
* @param Model $model Model object initiating the query
|
|
* @param string $key An SQL key snippet containing a field and optional SQL operator
|
|
* @param mixed $value The value(s) to be inserted in the string
|
|
* @return string
|
|
* @access private
|
|
*/
|
|
function __parseKey(&$model, $key, $value) {
|
|
$operatorMatch = '/^((' . implode(')|(', $this->__sqlOps);
|
|
$operatorMatch .= '\\x20)|<[>=]?(?![^>]+>)\\x20?|[>=!]{1,3}(?!<)\\x20?)/is';
|
|
$bound = (strpos($key, '?') !== false || (is_array($value) && strpos($key, ':') !== false));
|
|
|
|
if (!strpos($key, ' ')) {
|
|
$operator = '=';
|
|
} else {
|
|
list($key, $operator) = explode(' ', trim($key), 2);
|
|
|
|
if (!preg_match($operatorMatch, trim($operator)) && strpos($operator, ' ') !== false) {
|
|
$key = $key . ' ' . $operator;
|
|
$split = strrpos($key, ' ');
|
|
$operator = substr($key, $split);
|
|
$key = substr($key, 0, $split);
|
|
}
|
|
}
|
|
|
|
$virtual = false;
|
|
if (is_object($model) && $model->isVirtualField($key)) {
|
|
$key = $this->__quoteFields($model->getVirtualField($key));
|
|
$virtual = true;
|
|
}
|
|
|
|
$type = (is_object($model) ? $model->getColumnType($key) : null);
|
|
|
|
$null = ($value === null || (is_array($value) && empty($value)));
|
|
|
|
if (strtolower($operator) === 'not') {
|
|
$data = $this->conditionKeysToString(
|
|
array($operator => array($key => $value)), true, $model
|
|
);
|
|
return $data[0];
|
|
}
|
|
|
|
$value = $this->value($value, $type);
|
|
|
|
if (!$virtual && $key !== '?') {
|
|
$isKey = (strpos($key, '(') !== false || strpos($key, ')') !== false);
|
|
$key = $isKey ? $this->__quoteFields($key) : $this->name($key);
|
|
}
|
|
|
|
if ($bound) {
|
|
return String::insert($key . ' ' . trim($operator), $value);
|
|
}
|
|
|
|
if (!preg_match($operatorMatch, trim($operator))) {
|
|
$operator .= ' =';
|
|
}
|
|
$operator = trim($operator);
|
|
|
|
if (is_array($value)) {
|
|
$value = implode(', ', $value);
|
|
|
|
switch ($operator) {
|
|
case '=':
|
|
$operator = 'IN';
|
|
break;
|
|
case '!=':
|
|
case '<>':
|
|
$operator = 'NOT IN';
|
|
break;
|
|
}
|
|
$value = "({$value})";
|
|
} elseif ($null) {
|
|
switch ($operator) {
|
|
case '=':
|
|
$operator = 'IS';
|
|
break;
|
|
case '!=':
|
|
case '<>':
|
|
$operator = 'IS NOT';
|
|
break;
|
|
}
|
|
}
|
|
if ($virtual) {
|
|
return "({$key}) {$operator} {$value}";
|
|
}
|
|
return "{$key} {$operator} {$value}";
|
|
}
|
|
|
|
/**
|
|
* Quotes Model.fields
|
|
*
|
|
* @param string $conditions
|
|
* @return string or false if no match
|
|
* @access private
|
|
*/
|
|
function __quoteFields($conditions) {
|
|
$start = $end = null;
|
|
$original = $conditions;
|
|
|
|
if (!empty($this->startQuote)) {
|
|
$start = preg_quote($this->startQuote);
|
|
}
|
|
if (!empty($this->endQuote)) {
|
|
$end = preg_quote($this->endQuote);
|
|
}
|
|
$conditions = str_replace(array($start, $end), '', $conditions);
|
|
$conditions = preg_replace_callback('/(?:[\'\"][^\'\"\\\]*(?:\\\.[^\'\"\\\]*)*[\'\"])|([a-z0-9_' . $start . $end . ']*\\.[a-z0-9_' . $start . $end . ']*)/i', array(&$this, '__quoteMatchedField'), $conditions);
|
|
|
|
if ($conditions !== null) {
|
|
return $conditions;
|
|
}
|
|
return $original;
|
|
}
|
|
|
|
/**
|
|
* Auxiliary function to quote matches `Model.fields` from a preg_replace_callback call
|
|
*
|
|
* @param string matched string
|
|
* @return string quoted strig
|
|
* @access private
|
|
*/
|
|
function __quoteMatchedField($match) {
|
|
if (is_numeric($match[0])) {
|
|
return $match[0];
|
|
}
|
|
return $this->name($match[0]);
|
|
}
|
|
|
|
/**
|
|
* Returns a limit statement in the correct format for the particular database.
|
|
*
|
|
* @param integer $limit Limit of results returned
|
|
* @param integer $offset Offset from which to start results
|
|
* @return string SQL limit/offset statement
|
|
*/
|
|
public function limit($limit, $offset = null) {
|
|
if ($limit) {
|
|
$rt = '';
|
|
if (!strpos(strtolower($limit), 'limit') || strpos(strtolower($limit), 'limit') === 0) {
|
|
$rt = ' LIMIT';
|
|
}
|
|
|
|
if ($offset) {
|
|
$rt .= ' ' . $offset . ',';
|
|
}
|
|
|
|
$rt .= ' ' . $limit;
|
|
return $rt;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns an ORDER BY clause as a string.
|
|
*
|
|
* @param string $key Field reference, as a key (i.e. Post.title)
|
|
* @param string $direction Direction (ASC or DESC)
|
|
* @param object $model model reference (used to look for virtual field)
|
|
* @return string ORDER BY clause
|
|
*/
|
|
public function order($keys, $direction = 'ASC', $model = null) {
|
|
if (!is_array($keys)) {
|
|
$keys = array($keys);
|
|
}
|
|
$keys = array_filter($keys);
|
|
$result = array();
|
|
while (!empty($keys)) {
|
|
list($key, $dir) = each($keys);
|
|
array_shift($keys);
|
|
|
|
if (is_numeric($key)) {
|
|
$key = $dir;
|
|
$dir = $direction;
|
|
}
|
|
|
|
if (is_string($key) && strpos($key, ',') && !preg_match('/\(.+\,.+\)/', $key)) {
|
|
$key = array_map('trim', explode(',', $key));
|
|
}
|
|
if (is_array($key)) {
|
|
//Flatten the array
|
|
$key = array_reverse($key, true);
|
|
foreach ($key as $k => $v) {
|
|
if (is_numeric($k)) {
|
|
array_unshift($keys, $v);
|
|
} else {
|
|
$keys = array($k => $v) + $keys;
|
|
}
|
|
}
|
|
continue;
|
|
} elseif (is_object($key) && isset($key->type) && $key->type === 'expression') {
|
|
$result[] = $key->value;
|
|
continue;
|
|
}
|
|
|
|
if (preg_match('/\\x20(ASC|DESC).*/i', $key, $_dir)) {
|
|
$dir = $_dir[0];
|
|
$key = preg_replace('/\\x20(ASC|DESC).*/i', '', $key);
|
|
}
|
|
|
|
$key = trim($key);
|
|
|
|
if (is_object($model) && $model->isVirtualField($key)) {
|
|
$key = '(' . $this->__quoteFields($model->getVirtualField($key)) . ')';
|
|
}
|
|
|
|
if (strpos($key, '.')) {
|
|
$key = preg_replace_callback('/([a-zA-Z0-9_]{1,})\\.([a-zA-Z0-9_]{1,})/', array(&$this, '__quoteMatchedField'), $key);
|
|
}
|
|
if (!preg_match('/\s/', $key) && !strpos($key, '.')) {
|
|
$key = $this->name($key);
|
|
}
|
|
$key .= ' ' . trim($dir);
|
|
$result[] = $key;
|
|
}
|
|
if (!empty($result)) {
|
|
return ' ORDER BY ' . implode(', ', $result);
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Create a GROUP BY SQL clause
|
|
*
|
|
* @param string $group Group By Condition
|
|
* @return mixed string condition or null
|
|
*/
|
|
public function group($group, $model = null) {
|
|
if ($group) {
|
|
if (!is_array($group)) {
|
|
$group = array($group);
|
|
}
|
|
foreach($group as $index => $key) {
|
|
if ($model->isVirtualField($key)) {
|
|
$group[$index] = '(' . $model->getVirtualField($key) . ')';
|
|
}
|
|
}
|
|
$group = implode(', ', $group);
|
|
return ' GROUP BY ' . $this->__quoteFields($group);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Disconnects database, kills the connection and says the connection is closed.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function close() {
|
|
$this->disconnect();
|
|
}
|
|
|
|
/**
|
|
* Checks if the specified table contains any record matching specified SQL
|
|
*
|
|
* @param Model $model Model to search
|
|
* @param string $sql SQL WHERE clause (condition only, not the "WHERE" part)
|
|
* @return boolean True if the table has a matching record, else false
|
|
*/
|
|
public function hasAny(&$Model, $sql) {
|
|
$sql = $this->conditions($sql);
|
|
$table = $this->fullTableName($Model);
|
|
$alias = $this->alias . $this->name($Model->alias);
|
|
$where = $sql ? "{$sql}" : ' WHERE 1 = 1';
|
|
$id = $Model->escapeField();
|
|
|
|
$out = $this->fetchRow("SELECT COUNT({$id}) {$this->alias}count FROM {$table} {$alias}{$where}");
|
|
|
|
if (is_array($out)) {
|
|
return $out[0]['count'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets the length of a database-native column description, or null if no length
|
|
*
|
|
* @param string $real Real database-layer column type (i.e. "varchar(255)")
|
|
* @return mixed An integer or string representing the length of the column
|
|
*/
|
|
public function length($real) {
|
|
if (!preg_match_all('/([\w\s]+)(?:\((\d+)(?:,(\d+))?\))?(\sunsigned)?(\szerofill)?/', $real, $result)) {
|
|
trigger_error(__("FIXME: Can't parse field: " . $real), E_USER_WARNING);
|
|
$col = str_replace(array(')', 'unsigned'), '', $real);
|
|
$limit = null;
|
|
|
|
if (strpos($col, '(') !== false) {
|
|
list($col, $limit) = explode('(', $col);
|
|
}
|
|
if ($limit != null) {
|
|
return intval($limit);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
$types = array(
|
|
'int' => 1, 'tinyint' => 1, 'smallint' => 1, 'mediumint' => 1, 'integer' => 1, 'bigint' => 1
|
|
);
|
|
|
|
list($real, $type, $length, $offset, $sign, $zerofill) = $result;
|
|
$typeArr = $type;
|
|
$type = $type[0];
|
|
$length = $length[0];
|
|
$offset = $offset[0];
|
|
|
|
$isFloat = in_array($type, array('dec', 'decimal', 'float', 'numeric', 'double'));
|
|
if ($isFloat && $offset) {
|
|
return $length.','.$offset;
|
|
}
|
|
|
|
if (($real[0] == $type) && (count($real) == 1)) {
|
|
return null;
|
|
}
|
|
|
|
if (isset($types[$type])) {
|
|
$length += $types[$type];
|
|
if (!empty($sign)) {
|
|
$length--;
|
|
}
|
|
} elseif (in_array($type, array('enum', 'set'))) {
|
|
$length = 0;
|
|
foreach ($typeArr as $key => $enumValue) {
|
|
if ($key == 0) {
|
|
continue;
|
|
}
|
|
$tmpLength = strlen($enumValue);
|
|
if ($tmpLength > $length) {
|
|
$length = $tmpLength;
|
|
}
|
|
}
|
|
}
|
|
return intval($length);
|
|
}
|
|
|
|
/**
|
|
* Translates between PHP boolean values and Database (faked) boolean values
|
|
*
|
|
* @param mixed $data Value to be translated
|
|
* @return mixed Converted boolean value
|
|
*/
|
|
public function boolean($data) {
|
|
if ($data === true || $data === false) {
|
|
if ($data === true) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
} else {
|
|
return !empty($data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Inserts multiple values into a table
|
|
*
|
|
* @param string $table
|
|
* @param string $fields
|
|
* @param array $values
|
|
*/
|
|
public function insertMulti($table, $fields, $values) {
|
|
$table = $this->fullTableName($table);
|
|
if (is_array($fields)) {
|
|
$fields = implode(', ', array_map(array(&$this, 'name'), $fields));
|
|
}
|
|
$count = count($values);
|
|
for ($x = 0; $x < $count; $x++) {
|
|
$this->query("INSERT INTO {$table} ({$fields}) VALUES {$values[$x]}");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an array of the indexes in given datasource name.
|
|
*
|
|
* @param string $model Name of model to inspect
|
|
* @return array Fields in table. Keys are column and unique
|
|
*/
|
|
public function index($model) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Generate a database-native schema for the given Schema object
|
|
*
|
|
* @param object $schema An instance of a subclass of CakeSchema
|
|
* @param string $tableName Optional. If specified only the table name given will be generated.
|
|
* Otherwise, all tables defined in the schema are generated.
|
|
* @return string
|
|
*/
|
|
public function createSchema($schema, $tableName = null) {
|
|
if (!is_a($schema, 'CakeSchema')) {
|
|
trigger_error(__('Invalid schema object'), E_USER_WARNING);
|
|
return null;
|
|
}
|
|
$out = '';
|
|
|
|
foreach ($schema->tables as $curTable => $columns) {
|
|
if (!$tableName || $tableName == $curTable) {
|
|
$cols = $colList = $indexes = $tableParameters = array();
|
|
$primary = null;
|
|
$table = $this->fullTableName($curTable);
|
|
|
|
foreach ($columns as $name => $col) {
|
|
if (is_string($col)) {
|
|
$col = array('type' => $col);
|
|
}
|
|
if (isset($col['key']) && $col['key'] == 'primary') {
|
|
$primary = $name;
|
|
}
|
|
if ($name !== 'indexes' && $name !== 'tableParameters') {
|
|
$col['name'] = $name;
|
|
if (!isset($col['type'])) {
|
|
$col['type'] = 'string';
|
|
}
|
|
$cols[] = $this->buildColumn($col);
|
|
} elseif ($name == 'indexes') {
|
|
$indexes = array_merge($indexes, $this->buildIndex($col, $table));
|
|
} elseif ($name == 'tableParameters') {
|
|
$tableParameters = array_merge($tableParameters, $this->buildTableParameters($col, $table));
|
|
}
|
|
}
|
|
if (empty($indexes) && !empty($primary)) {
|
|
$col = array('PRIMARY' => array('column' => $primary, 'unique' => 1));
|
|
$indexes = array_merge($indexes, $this->buildIndex($col, $table));
|
|
}
|
|
$columns = $cols;
|
|
$out .= $this->renderStatement('schema', compact('table', 'columns', 'indexes', 'tableParameters')) . "\n\n";
|
|
}
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Generate a alter syntax from CakeSchema::compare()
|
|
*
|
|
* @param unknown_type $schema
|
|
* @return boolean
|
|
*/
|
|
function alterSchema($compare, $table = null) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Generate a "drop table" statement for the given Schema object
|
|
*
|
|
* @param object $schema An instance of a subclass of CakeSchema
|
|
* @param string $table Optional. If specified only the table name given will be generated.
|
|
* Otherwise, all tables defined in the schema are generated.
|
|
* @return string
|
|
*/
|
|
public function dropSchema($schema, $table = null) {
|
|
if (!is_a($schema, 'CakeSchema')) {
|
|
trigger_error(__('Invalid schema object'), E_USER_WARNING);
|
|
return null;
|
|
}
|
|
$out = '';
|
|
|
|
foreach ($schema->tables as $curTable => $columns) {
|
|
if (!$table || $table == $curTable) {
|
|
$out .= 'DROP TABLE ' . $this->fullTableName($curTable) . ";\n";
|
|
}
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Generate a database-native column schema string
|
|
*
|
|
* @param array $column An array structured like the following: array('name'=>'value', 'type'=>'value'[, options]),
|
|
* where options can be 'default', 'length', or 'key'.
|
|
* @return string
|
|
*/
|
|
public function buildColumn($column) {
|
|
$name = $type = null;
|
|
extract(array_merge(array('null' => true), $column));
|
|
|
|
if (empty($name) || empty($type)) {
|
|
trigger_error(__('Column name or type not defined in schema'), E_USER_WARNING);
|
|
return null;
|
|
}
|
|
|
|
if (!isset($this->columns[$type])) {
|
|
trigger_error(sprintf(__('Column type %s does not exist'), $type), E_USER_WARNING);
|
|
return null;
|
|
}
|
|
|
|
$real = $this->columns[$type];
|
|
$out = $this->name($name) . ' ' . $real['name'];
|
|
|
|
if (isset($real['limit']) || isset($real['length']) || isset($column['limit']) || isset($column['length'])) {
|
|
if (isset($column['length'])) {
|
|
$length = $column['length'];
|
|
} elseif (isset($column['limit'])) {
|
|
$length = $column['limit'];
|
|
} elseif (isset($real['length'])) {
|
|
$length = $real['length'];
|
|
} else {
|
|
$length = $real['limit'];
|
|
}
|
|
$out .= '(' . $length . ')';
|
|
}
|
|
|
|
if (($column['type'] == 'integer' || $column['type'] == 'float' ) && isset($column['default']) && $column['default'] === '') {
|
|
$column['default'] = null;
|
|
}
|
|
$out = $this->_buildFieldParameters($out, $column, 'beforeDefault');
|
|
|
|
if (isset($column['key']) && $column['key'] == 'primary' && $type == 'integer') {
|
|
$out .= ' ' . $this->columns['primary_key']['name'];
|
|
} elseif (isset($column['key']) && $column['key'] == 'primary') {
|
|
$out .= ' NOT NULL';
|
|
} elseif (isset($column['default']) && isset($column['null']) && $column['null'] == false) {
|
|
$out .= ' DEFAULT ' . $this->value($column['default'], $type) . ' NOT NULL';
|
|
} elseif (isset($column['default'])) {
|
|
$out .= ' DEFAULT ' . $this->value($column['default'], $type);
|
|
} elseif ($type !== 'timestamp' && !empty($column['null'])) {
|
|
$out .= ' DEFAULT NULL';
|
|
} elseif ($type === 'timestamp' && !empty($column['null'])) {
|
|
$out .= ' NULL';
|
|
} elseif (isset($column['null']) && $column['null'] == false) {
|
|
$out .= ' NOT NULL';
|
|
}
|
|
if ($type == 'timestamp' && isset($column['default']) && strtolower($column['default']) == 'current_timestamp') {
|
|
$out = str_replace(array("'CURRENT_TIMESTAMP'", "'current_timestamp'"), 'CURRENT_TIMESTAMP', $out);
|
|
}
|
|
$out = $this->_buildFieldParameters($out, $column, 'afterDefault');
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Build the field parameters, in a position
|
|
*
|
|
* @param string $columnString The partially built column string
|
|
* @param array $columnData The array of column data.
|
|
* @param string $position The position type to use. 'beforeDefault' or 'afterDefault' are common
|
|
* @return string a built column with the field parameters added.
|
|
*/
|
|
public function _buildFieldParameters($columnString, $columnData, $position) {
|
|
foreach ($this->fieldParameters as $paramName => $value) {
|
|
if (isset($columnData[$paramName]) && $value['position'] == $position) {
|
|
if (isset($value['options']) && !in_array($columnData[$paramName], $value['options'])) {
|
|
continue;
|
|
}
|
|
$val = $columnData[$paramName];
|
|
if ($value['quote']) {
|
|
$val = $this->value($val);
|
|
}
|
|
$columnString .= ' ' . $value['value'] . $value['join'] . $val;
|
|
}
|
|
}
|
|
return $columnString;
|
|
}
|
|
|
|
/**
|
|
* Format indexes for create table
|
|
*
|
|
* @param array $indexes
|
|
* @param string $table
|
|
* @return array
|
|
*/
|
|
public function buildIndex($indexes, $table = null) {
|
|
$join = array();
|
|
foreach ($indexes as $name => $value) {
|
|
$out = '';
|
|
if ($name == 'PRIMARY') {
|
|
$out .= 'PRIMARY ';
|
|
$name = null;
|
|
} else {
|
|
if (!empty($value['unique'])) {
|
|
$out .= 'UNIQUE ';
|
|
}
|
|
$name = $this->startQuote . $name . $this->endQuote;
|
|
}
|
|
if (is_array($value['column'])) {
|
|
$out .= 'KEY ' . $name . ' (' . implode(', ', array_map(array(&$this, 'name'), $value['column'])) . ')';
|
|
} else {
|
|
$out .= 'KEY ' . $name . ' (' . $this->name($value['column']) . ')';
|
|
}
|
|
$join[] = $out;
|
|
}
|
|
return $join;
|
|
}
|
|
|
|
/**
|
|
* Read additional table parameters
|
|
*
|
|
* @param array $parameters
|
|
* @param string $table
|
|
* @return array
|
|
*/
|
|
public function readTableParameters($name) {
|
|
$parameters = array();
|
|
if ($this->isInterfaceSupported('listDetailedSources')) {
|
|
$currentTableDetails = $this->listDetailedSources($name);
|
|
foreach ($this->tableParameters as $paramName => $parameter) {
|
|
if (!empty($parameter['column']) && !empty($currentTableDetails[$parameter['column']])) {
|
|
$parameters[$paramName] = $currentTableDetails[$parameter['column']];
|
|
}
|
|
}
|
|
}
|
|
return $parameters;
|
|
}
|
|
|
|
/**
|
|
* Format parameters for create table
|
|
*
|
|
* @param array $parameters
|
|
* @param string $table
|
|
* @return array
|
|
*/
|
|
public function buildTableParameters($parameters, $table = null) {
|
|
$result = array();
|
|
foreach ($parameters as $name => $value) {
|
|
if (isset($this->tableParameters[$name])) {
|
|
if ($this->tableParameters[$name]['quote']) {
|
|
$value = $this->value($value);
|
|
}
|
|
$result[] = $this->tableParameters[$name]['value'] . $this->tableParameters[$name]['join'] . $value;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Guesses the data type of an array
|
|
*
|
|
* @param string $value
|
|
* @return void
|
|
*/
|
|
public function introspectType($value) {
|
|
if (!is_array($value)) {
|
|
if ($value === true || $value === false) {
|
|
return 'boolean';
|
|
}
|
|
if (is_float($value) && floatval($value) === $value) {
|
|
return 'float';
|
|
}
|
|
if (is_int($value) && intval($value) === $value) {
|
|
return 'integer';
|
|
}
|
|
if (is_string($value) && strlen($value) > 255) {
|
|
return 'text';
|
|
}
|
|
return 'string';
|
|
}
|
|
|
|
$isAllFloat = $isAllInt = true;
|
|
$containsFloat = $containsInt = $containsString = false;
|
|
foreach ($value as $key => $valElement) {
|
|
$valElement = trim($valElement);
|
|
if (!is_float($valElement) && !preg_match('/^[\d]+\.[\d]+$/', $valElement)) {
|
|
$isAllFloat = false;
|
|
} else {
|
|
$containsFloat = true;
|
|
continue;
|
|
}
|
|
if (!is_int($valElement) && !preg_match('/^[\d]+$/', $valElement)) {
|
|
$isAllInt = false;
|
|
} else {
|
|
$containsInt = true;
|
|
continue;
|
|
}
|
|
$containsString = true;
|
|
}
|
|
|
|
if ($isAllFloat) {
|
|
return 'float';
|
|
}
|
|
if ($isAllInt) {
|
|
return 'integer';
|
|
}
|
|
|
|
if ($containsInt && !$containsString) {
|
|
return 'integer';
|
|
}
|
|
return 'string';
|
|
}
|
|
|
|
/**
|
|
* Writes a new key for the in memory sql query cache
|
|
*
|
|
* @param string $sql SQL query
|
|
* @param mixed $data result of $sql query
|
|
* @return void
|
|
*/
|
|
protected function _writeQueryCache($sql, $data) {
|
|
if (strpos(trim(strtolower($sql)), 'select') !== false) {
|
|
$this->_queryCache[$sql] = $data;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the result for a sql query if it is already cached
|
|
*
|
|
* @param string $sql SQL query
|
|
* @return mixed results for query if it is cached, false otherwise
|
|
*/
|
|
public function getQueryCache($sql = null) {
|
|
if (isset($this->_queryCache[$sql]) && preg_match('/^\s*select/i', $sql)) {
|
|
return $this->_queryCache[$sql];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|