* Copyright 2005-2008, 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 2005-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.model.datasources
* @since CakePHP(tm) v 0.10.0.1076
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
uses('set');
/**
* 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 unknown_type
*/
var $description = "Database Data Source";
/**
* index definition, standard cake, primary, index, unique
*
* @var array
*/
var $index = array('PRI'=> 'primary', 'MUL'=> 'index', 'UNI'=>'unique');
/**
* Enter description here...
*
* @var unknown_type
*/
var $startQuote = null;
/**
* Enter description here...
*
* @var unknown_type
*/
var $endQuote = null;
/**
* Enter description here...
*
* @var unknown_type
*/
var $alias = 'AS ';
/**
* Enter description here...
*
* @var unknown_type
*/
var $goofyLimit = false;
/**
* Enter description here...
*
* @var unknown_type
*/
var $__bypass = false;
/**
* The set of valid SQL operations usable in a WHERE statement
*
* @var array
*/
var $__sqlOps = array('like', 'ilike', 'or', 'not', 'in', 'between', 'regexp', 'similar to');
/**
* Constructor
*/
function __construct($config = null, $autoConnect = true) {
parent::__construct($config);
$this->fullDebug = Configure::read() > 1;
if ($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 = null) {
$this->disconnect();
if ($config != null) {
$this->config = array_merge($this->_baseConfig, $config);
}
return $this->connect();
}
/**
* Prepares a value, or an array of values for database queries by quoting and escaping them.
*
* @param mixed $data A value or an array of values to prepare.
* @return mixed Prepared value or array of values.
*/
function value($data, $column = null) {
if (is_array($data)) {
$out = array();
$keys = array_keys($data);
$count = count($data);
for ($i = 0; $i < $count; $i++) {
$out[$keys[$i]] = $this->value($data[$keys[$i]]);
}
return $out;
} elseif (in_array($data, array('{$__cakeID__$}', '{$__cakeForeignKey__$}'), true)) {
return $data;
} else {
return null;
}
}
/**
* Executes given SQL statement.
*
* @param string $sql SQL statement
* @return unknown
*/
function rawQuery($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 DEBUG is set, the log is shown all the time, else it is only shown on errors.
*
* @param string $sql
* @return unknown
*/
function execute($sql) {
$t = getMicrotime();
$this->_result = $this->_execute($sql);
$this->affected = $this->lastAffected();
$this->took = round((getMicrotime() - $t) * 1000, 0);
$this->error = $this->lastError();
$this->numRows = $this->lastNumRows($this->_result);
if (Configure::read() > 1) {
$this->logQuery($sql);
}
if ($this->error) {
$this->showQuery($sql);
return false;
} else {
return $this->_result;
}
}
/**
* DataSource Query abstraction
*
* @return resource Result resource identifier
*/
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;
$query = array();
foreach ($field as $f) {
if (!is_array($params[$c]) && !empty($params[$c]) && $params[$c] !== true && $params[$c] !== false) {
$query[$args[2]->alias . '.' . $f] = '= ' . $params[$c];
} else {
$query[$args[2]->alias . '.' . $f] = $params[$c];
}
$c++;
}
if ($or) {
$query = array('OR' => $query);
}
if ($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 $args[2]->findAll($query, $fields, $order, $limit, $page, $recursive);
} else {
if (isset($params[3 + $off])) {
$recursive = $params[3 + $off];
}
return $args[2]->find($query, $fields, $order, $recursive);
}
} else {
if (isset($args[1]) && $args[1] === true) {
return $this->fetchAll($args[0], true);
}
return $this->fetchAll($args[0], false);
}
}
/**
* Returns a row from current resultset as an array .
*
* @return array The fetched row as an array
*/
function fetchRow($sql = null) {
if (!empty($sql) && is_string($sql) && strlen($sql) > 5) {
if (!$this->execute($sql)) {
return null;
}
}
if (is_resource($this->_result) || is_object($this->_result)) {
$this->resultSet($this->_result);
$resultRow = $this->fetchResult();
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 $cache Enables returning/storing cached query results
* @return array Array of resultset rows, or false if no rows matched
*/
function fetchAll($sql, $cache = true, $modelName = null) {
if ($cache && isset($this->_queryCache[$sql])) {
if (preg_match('/^\s*select/i', $sql)) {
return $this->_queryCache[$sql];
}
}
if ($this->execute($sql)) {
$out = array();
while ($item = $this->fetchRow()) {
$out[] = $item;
}
if ($cache) {
if (strpos(trim(strtolower($sql)), 'select') !== false) {
$this->_queryCache[$sql] = $out;
}
}
return $out;
} else {
return false;
}
}
/**
* 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 $sql SQL query
* @return unknown
*/
function field($name, $sql) {
$data = $this->fetchRow($sql);
if (!isset($data[$name]) || empty($data[$name])) {
return false;
} else {
return $data[$name];
}
}
/**
* Returns a quoted name of $data for use in an SQL statement.
* Strips fields out of SQL functions before quoting.
*
* @param string $data
* @return string SQL field
*/
function name($data) {
if (preg_match_all('/([^(]*)\((.*)\)(.*)/', $data, $fields)) {
$fields = Set::extract($fields, '{n}.0');
if (!empty($fields[1])) {
if (!empty($fields[2])) {
return $fields[1] . '(' . $this->name($fields[2]) . ')' . $fields[3];
} else {
return $fields[1] . '()' . $fields[3];
}
}
}
if ($data == '*') {
return '*';
}
$data = $this->startQuote . str_replace('.', $this->endQuote . '.' . $this->startQuote, $data) . $this->endQuote;
$data = str_replace($this->startQuote . $this->startQuote, $this->startQuote, $data);
if (!empty($this->endQuote) && $this->endQuote == $this->startQuote) {
if (substr_count($data, $this->endQuote) % 2 == 1) {
$data = trim($data, $this->endQuote);
}
}
return str_replace($this->endQuote . $this->endQuote, $this->endQuote, $data);
}
/**
* Checks if it's connected to the database
*
* @return boolean True if the database is connected, else false
*/
function isConnected() {
return $this->connected;
}
/**
* Outputs the contents of the queries log.
*
* @param boolean $sorted
*/
function showLog($sorted = false) {
if ($sorted) {
$log = sortByKey($this->_queriesLog, 'took', 'desc', SORT_NUMERIC);
} else {
$log = $this->_queriesLog;
}
if ($this->_queriesCnt > 1) {
$text = 'queries';
} else {
$text = 'query';
}
if (php_sapi_name() != 'cli') {
print ("\n{$this->_queriesCnt} {$text} took {$this->_queriesTime} ms\n");
print ("\n| Nr | Query | Error | Affected | Num. rows | Took (ms) |
|---|
\n\n\n");
foreach ($log as $k => $i) {
print ("| " . ($k + 1) . " | " . h($i['query']) . " | {$i['error']} | {$i['affected']} | {$i['numRows']} | {$i['took']} |
\n");
}
print ("
\n");
} else {
foreach ($log as $k => $i) {
print (($k + 1) . ". {$i['query']} {$i['error']}\n");
}
}
}
/**
* Log given SQL query.
*
* @param string $sql SQL statement
* @todo: Add hook to log errors instead of returning false
*/
function logQuery($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 $sql Query to show information on.
*/
function showQuery($sql) {
$error = $this->error;
if (strlen($sql) > 200 && !$this->fullDebug && Configure::read() > 1) {
$sql = substr($sql, 0, 200) . '[...]';
}
if (($error) && Configure::read() > 1) {
e("Query: {$sql} ");
if ($error) {
trigger_error("SQL Error: {$this->error}", E_USER_WARNING);
} else {
e("[Aff:{$this->affected} Num:{$this->numRows} Took:{$this->took}ms]");
}
print ('
');
}
}
/**
* Gets full table name including prefix
*
* @param mixed $model
* @param boolean $quote
* @return string Full quoted table name
*/
function fullTableName($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
*
* @param Model $model
* @param array $fields
* @param array $values
* @return boolean Success
*/
function create(&$model, $fields = null, $values = null) {
$fieldInsert = array();
$valueInsert = array();
$id = null;
if ($fields == null) {
unset($fields, $values);
$fields = array_keys($model->data);
$values = array_values($model->data);
}
$count = count($fields);
for ($i = 0; $i < $count; $i++) {
$fieldInsert[] = $this->name($fields[$i]);
if ($fields[$i] == $model->primaryKey) {
$id = $values[$i];
}
}
$count = count($values);
for ($i = 0; $i < $count; $i++) {
$valueInsert[] = $this->value($values[$i], $model->getColumnType($fields[$i]));
}
if ($this->execute('INSERT INTO ' . $this->fullTableName($model) . ' (' . join(',', $fieldInsert). ') VALUES (' . join(',', $valueInsert) . ')')) {
if (empty($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
*
* @param Model $model
* @param array $queryData
* @param integer $recursive Number of levels of association
* @return unknown
*/
function read(&$model, $queryData = array(), $recursive = null) {
$this->__scrubQueryData($queryData);
$null = null;
$array = array();
$linkedModels = array();
$this->__bypass = false;
if ($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);
}
foreach ($model->__associations as $type) {
foreach ($model->{$type} as $assoc => $assocData) {
if ($model->recursive > -1) {
$linkModel =& $model->{$assoc};
$external = isset($assocData['external']);
if ($model->alias == $linkModel->alias && $type != 'hasAndBelongsToMany' && $type != 'hasMany') {
if (true === $this->generateSelfAssociationQuery($model, $linkModel, $type, $assoc, $assocData, $queryData, $external, $null)) {
$linkedModels[] = $type . '/' . $assoc;
}
} else {
if ($model->useDbConfig == $linkModel->useDbConfig) {
if (true === $this->generateAssociationQuery($model, $linkModel, $type, $assoc, $assocData, $queryData, $external, $null)) {
$linkedModels[] = $type . '/' . $assoc;
}
}
}
}
}
}
// Build final query SQL
$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 > 0) {
foreach ($model->__associations as $type) {
foreach ($model->{$type} as $assoc => $assocData) {
$db = null;
$linkModel =& $model->{$assoc};
if (!in_array($type . '/' . $assoc, $linkedModels)) {
if ($model->useDbConfig == $linkModel->useDbConfig) {
$db =& $this;
} else {
$db =& ConnectionManager::getDataSource($linkModel->useDbConfig);
}
} elseif ($model->recursive > 1 && ($type == 'belongsTo' || $type == 'hasOne')) {
// Do recursive joins on belongsTo and hasOne relationships
$db =& $this;
} else {
unset ($db);
}
if (isset($db) && $db != null) {
$stack = array($assoc);
$db->queryAssociation($model, $linkModel, $type, $assoc, $assocData, $array, true, $resultSet, $model->recursive - 1, $stack);
unset($db);
}
}
}
$this->__filterResults($resultSet, $model, $filtered);
}
if (!is_null($recursive)) {
$model->recursive = $_recursive;
}
return $resultSet;
}
/**
* Private method. Passes association results thru afterFind filter of corresponding model
*
* @param unknown_type $results
* @param unknown_type $model
* @param unknown_type $filtered
* @return unknown
*/
function __filterResults(&$results, &$model, $filtered = array()) {
$filtering = array();
$associations = array_merge($model->belongsTo, $model->hasOne, $model->hasMany, $model->hasAndBelongsToMany);
$count = count($results);
for ($i = 0; $i < $count; $i++) {
if (is_array($results[$i])) {
$keys = array_keys($results[$i]);
$count2 = count($keys);
for ($j = 0; $j < $count2; $j++) {
$className = $key = $keys[$j];
if ($model->alias != $className && !in_array($key, $filtered)) {
if (!in_array($key, $filtering)) {
$filtering[] = $key;
}
if (isset($model->{$className}) && is_object($model->{$className})) {
$data = $model->{$className}->afterFind(array(array($key => $results[$i][$key])), false);
}
if (isset($data[0][$key])) {
$results[$i][$key] = $data[0][$key];
}
}
}
}
}
return $filtering;
}
/**
* Enter description here...
*
* @param Model $model
* @param unknown_type $linkModel
* @param string $type Association type
* @param unknown_type $association
* @param unknown_type $assocData
* @param unknown_type $queryData
* @param unknown_type $external
* @param unknown_type $resultSet
* @param integer $recursive Number of levels of association
* @param array $stack
*/
function queryAssociation(&$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() > 0) {
e('' . sprintf(__('SQL Error in model %s:', true), $model->alias) . ' ');
if (isset($this->error) && $this->error != null) {
e($this->error);
}
e('
');
}
return null;
}
$count = count($resultSet);
if ($type === 'hasMany' && (!isset($assocData['limit']) || empty($assocData['limit']))) {
$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)) {
$query = str_replace('{$__cakeID__$}', join(', ', $ins), $query);
$fetch = $this->fetchAll($query, $model->cacheQueries, $model->alias);
}
if (!empty($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);
}
}
}
}
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)) {
$query = str_replace('{$__cakeID__$}', '(' .join(', ', $ins) .')', $query);
$query = str_replace('= (', 'IN (', $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 {
$fetch = null;
}
}
if (!empty($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') {
$merge = array();
foreach($fetch as $j => $data) {
if (isset($data[$with]) && $data[$with][$foreignKey] === $row[$model->alias][$model->primaryKey]) {
if ($habtmFieldsCount > 2) {
$merge[] = $data;
} else {
$merge[] = Set::diff($data, array($with => $data[$with]));
}
}
}
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);
}
$resultSet[$i][$association] = $linkModel->afterfind($resultSet[$i][$association]);
} else {
$tempArray[0][$association] = false;
$this->__mergeAssociation($resultSet[$i], $tempArray, $association, $type);
}
}
}
}
function __mergeHasMany(&$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 $type
*/
function __mergeAssociation(&$data, $merge, $association, $type) {
if (isset($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] = $v;
}
}
if (array_keys($merge[0]) === array_keys($data)) {
$data[$association][$association] = $merge[0][$association];
} else {
$diff = Set::diff($dataAssocTmp, $mergeAssocTmp);
$data[$association] = array_merge($merge[0][$association], $diff);
}
}
}
}
} else {
if ($merge[0][$association] === false) {
if (!isset($data[$association])) {
$data[$association] = array();
}
} else {
foreach ($merge as $i => $row) {
if (count($row) == 1) {
$data[$association][] = $row[$association];
} else {
$tmp = array_merge($row[$association], $row);
unset($tmp[$association]);
$data[$association][] = $tmp;
}
}
}
}
}
/**
* Enter description here...
*
* @param unknown_type $model
* @param unknown_type $linkModel
* @param unknown_type $type
* @param unknown_type $association
* @param unknown_type $assocData
* @param unknown_type $queryData
* @param unknown_type $external
* @param unknown_type $resultSet
* @return unknown
*/
function generateSelfAssociationQuery(&$model, &$linkModel, $type, $association = null, $assocData = array(), &$queryData, $external = false, &$resultSet) {
$alias = $association;
if (empty($alias) && !empty($linkModel)) {
$alias = $linkModel->alias;
}
if (!isset($queryData['selfJoin'])) {
$queryData['selfJoin'] = array();
$self = array(
'fields' => $this->fields($model, null, $queryData['fields']),
'joins' => array(array(
'table' => $this->fullTableName($linkModel),
'alias' => $alias,
'type' => 'LEFT',
'conditions' => array(
$model->escapeField($assocData['foreignKey']) => '{$__cakeIdentifier[' . "{$alias}.{$linkModel->primaryKey}" . ']__$}'))
),
'table' => $this->fullTableName($model),
'alias' => $model->alias,
'limit' => $queryData['limit'],
'offset' => $queryData['offset'],
'conditions'=> $queryData['conditions'],
'order' => $queryData['order']
);
if (!empty($assocData['conditions'])) {
$self['joins'][0]['conditions'] = trim($this->conditions(array_merge($self['joins'][0]['conditions'], (array)$assocData['conditions']), true, false));
}
if (!empty($queryData['joins'])) {
foreach ($queryData['joins'] as $join) {
$self['joins'][] = $join;
}
}
if ($this->__bypass === false) {
$self['fields'] = array_merge($self['fields'], $this->fields($linkModel, $alias, (isset($assocData['fields']) ? $assocData['fields'] : '')));
}
if (!in_array($self, $queryData['selfJoin'])) {
$queryData['selfJoin'][] = $self;
return true;
}
} elseif (isset($linkModel)) {
return $this->generateAssociationQuery($model, $linkModel, $type, $association, $assocData, $queryData, $external, $resultSet);
} else {
$result = $queryData['selfJoin'][0];
if (!empty($queryData['joins'])) {
foreach ($queryData['joins'] as $join) {
if (!in_array($join, $result['joins'])) {
$result['joins'][] = $join;
}
}
}
if (!empty($queryData['conditions'])) {
$result['conditions'] = trim($this->conditions(array_merge($result['conditions'], $assocData['conditions']), true, false));
}
if (!empty($queryData['fields'])) {
$result['fields'] = array_unique(array_merge($result['fields'], $queryData['fields']));
}
$sql = $this->buildStatement($result, $model);
return $sql;
}
}
/**
* Enter description here...
*
* @param Model $model
* @param unknown_type $linkModel
* @param unknown_type $type
* @param unknown_type $association
* @param unknown_type $assocData
* @param unknown_type $queryData
* @param unknown_type $external
* @param unknown_type $resultSet
* @return unknown
*/
function generateAssociationQuery(&$model, &$linkModel, $type, $association = null, $assocData = array(), &$queryData, $external = false, &$resultSet) {
$this->__scrubQueryData($queryData);
$this->__scrubQueryData($assocData);
$joinedOnSelf = false;
if (empty($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]);
$match1 = strpos($passedFields[0], 'COUNT(');
if ($match === false && $match1 === false) {
$queryData['fields'] = array_unique(array_merge($passedFields, $assocFields));
} else {
$queryData['fields'] = $passedFields;
}
} else {
$queryData['fields'] = array_unique(array_merge($passedFields, $assocFields));
}
unset($assocFields, $passedFields);
}
if ($linkModel == null) {
if (array_key_exists('selfJoin', $queryData)) {
return $this->generateSelfAssociationQuery($model, $linkModel, $type, $association, $assocData, $queryData, $external, $resultSet);
} else {
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']), $model
);
}
}
$alias = $association;
if ($model->alias == $linkModel->alias) {
$joinedOnSelf = true;
}
if ($external && isset($assocData['finderQuery'])) {
if (!empty($assocData['finderQuery'])) {
return $assocData['finderQuery'];
}
}
if ((!$external && in_array($type, array('hasOne', 'belongsTo')) && $this->__bypass === false) || $external) {
$fields = $this->fields($linkModel, $alias, $assocData['fields']);
} else {
$fields = array();
}
$limit = '';
if (isset($assocData['limit'])) {
if ((!isset($assocData['offset']) || (empty($assocData['offset']))) && isset($assocData['page'])) {
$assocData['offset'] = ($assocData['page'] - 1) * $assocData['limit'];
} elseif (!isset($assocData['offset'])) {
$assocData['offset'] = null;
}
$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')))
);
if ($external) {
$query = array_merge($assocData, array(
'conditions' => $conditions,
'table' => $this->fullTableName($linkModel),
'fields' => $fields,
'alias' => $alias
));
if ($type == 'belongsTo') {
// Dunno if we should be doing this for hasOne also...?
// Or maybe not doing it at all...?
$query = array_merge($query, array('order' => $assocData['order'], 'limit' => $limit));
}
} else {
$join = array(
'table' => $this->fullTableName($linkModel),
'alias' => $alias,
'type' => 'LEFT',
'conditions' => trim($this->conditions($conditions, true, false))
);
$queryData['fields'] = array_merge($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'] = array_unique(array_merge(
$this->fields($linkModel, $alias, $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' => $assocData['fields'],
'table' => $this->fullTableName($linkModel),
'alias' => $alias,
'order' => $assocData['order'],
'limit' => $limit
);
break;
case 'hasAndBelongsToMany':
$joinTbl = $this->fullTableName($assocData['joinTable']);
$joinFields = array();
$joinAssoc = null;
$joinAlias = $joinTbl;
if (isset($assocData['with']) && !empty($assocData['with'])) {
$joinKeys = array($assocData['foreignKey'], $assocData['associationForeignKey']);
list($with, $joinFields) = $model->joinModel($assocData['with'], $joinKeys);
if (is_array($joinFields) && !empty($joinFields)) {
$joinFields = $this->fields($model->{$with}, $model->{$with}->alias, $joinFields);
$joinAssoc = $joinAlias = $model->{$with}->alias;
} else {
$joinFields = array();
}
}
$query = array(
'conditions' => $assocData['conditions'],
'limit' => $limit,
'table' => $this->fullTableName($linkModel),
'alias' => $alias,
'fields' => array_merge($this->fields($linkModel, $alias, $assocData['fields']), $joinFields),
'order' => $assocData['order'],
'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 $association
*/
function getConstraint($type, $model, $linkModel, $alias, $assoc, $alias2 = null) {
$assoc = array_merge(array('external' => 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}.{$assoc['foreignKey']}" => '{$__cakeIdentifier[' . "{$model->alias}.{$model->primaryKey}" . ']__$}');
break;
case (!$assoc['external'] && $type == 'belongsTo'):
return array("{$model->alias}.{$assoc['foreignKey']}" => '{$__cakeIdentifier[' . "{$alias}.{$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}.{$assoc['associationForeignKey']}" => '{$__cakeIdentifier['."{$alias2}.{$linkModel->primaryKey}".']__$}')
);
break;
}
return array();
}
function buildJoinStatement($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);
}
function buildStatement($query, $model) {
$query = array_merge(array('offset' => null, 'joins' => array()), $query);
if (!empty($query['joins'])) {
for ($i = 0; $i < count($query['joins']); $i++) {
if (is_array($query['joins'][$i])) {
$query['joins'][$i] = $this->buildJoinStatement($query['joins'][$i]);
}
}
}
return $this->renderStatement('select', array(
'conditions' => $this->conditions($query['conditions']),
'fields' => join(', ', $query['fields']),
'table' => $query['table'],
'alias' => $this->alias . $this->name($query['alias']),
'order' => $this->order($query['order']),
'limit' => $this->limit($query['limit'], $query['offset']),
'joins' => join(' ', $query['joins'])
));
}
function renderJoinStatement($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
* @param array $data
* @return string
*/
function renderStatement($type, $data) {
extract($data);
$aliases = null;
switch (strtolower($type)) {
case 'select':
return "SELECT {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$order} {$limit}";
break;
case 'update':
if (!empty($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;
}
}
/**
* Private method
*
* @return array
*/
function __mergeConditions($query, $assoc) {
if (!empty($assoc)) {
if (is_array($query)) {
return array_merge((array)$assoc, $query);
} else {
if (!empty($query)) {
$query = array($query);
if (is_array($assoc)) {
$query = array_merge($query, $assoc);
} else {
$query[] = $assoc;
}
return $query;
} else {
return $assoc;
}
}
}
return $query;
}
/**
* Generates and executes an SQL UPDATE statement for given model, fields, and values.
*
* @param Model $model
* @param array $fields
* @param array $values
* @param mixed $conditions
* @return array
*/
function update(&$model, $fields = array(), $values = null, $conditions = null) {
if ($values == null) {
$combined = $fields;
} else {
$combined = array_combine($fields, $values);
}
$fields = join(', ', $this->_prepareUpdateFields($model, $combined, empty($conditions), !empty($conditions)));
$table = $this->fullTableName($model);
$alias = $this->name($model->alias);
$joins = implode(' ', $this->_getJoins($model));
if (empty($conditions)) {
$alias = $joins = false;
}
$conditions = $this->conditions($this->defaultConditions($model, $conditions, $alias));
if ($conditions === false) {
return false;
}
if (!$this->execute($this->renderStatement('update', compact('table', 'alias', 'joins', 'fields', 'conditions')))) {
$model->onError();
return false;
}
return true;
}
/**
* 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 $conditions
* @return array
*/
function _update(&$model, $fields = array(), $values = null, $conditions = null) {
if ($conditions === true) {
$conditions = $this->conditions(true);
} else {
$idList = $model->find('all', array('fields' => $model->escapeField(), 'conditions' => $conditions));
if (empty($idList)) {
return false;
}
$conditions = $this->conditions(array(
$model->primaryKey => Set::extract($idList, "{n}.{$model->alias}.{$model->primaryKey}")
));
}
if ($values == null) {
$combined = $fields;
} else {
$combined = array_combine($fields, $values);
}
$fields = join(', ', $this->_prepareUpdateFields($model, $combined, false, false));
$alias = $joins = null;
$table = $this->fullTableName($model);
if (!$this->execute($this->renderStatement('update', compact('table', 'alias', 'joins', 'fields', 'conditions')))) {
$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 $alias Include the model alias in the field name
* @return array Fields and values, quoted and preparted
* @access protected
*/
function _prepareUpdateFields(&$model, $fields, $quoteValues, $alias) {
foreach ($fields as $field => $value) {
if ($alias) {
$field = $model->escapeField($field);
} else {
$field = $this->name($field);
}
if ($value === null) {
$updates[] = $field . ' = NULL';
} else {
$update = $field . ' = ';
if ($quoteValues) {
$update .= $this->value($value, $model->getColumnType($field));
} else {
$update .= $value;
}
$updates[] = $update;
}
}
return $updates;
}
/**
* Generates and executes an SQL DELETE statement for given id on given model.
*
* @param Model $model
* @param mixed $conditions
* @return boolean Success
*/
function delete(&$model, $conditions = null) {
$alias = $this->name($model->alias);
$table = $this->fullTableName($model);
$joins = implode(' ', $this->_getJoins($model));
if (empty($conditions)) {
$alias = $joins = false;
}
$conditions = $this->conditions($this->defaultConditions($model, $conditions, $alias));
if ($conditions === false) {
return false;
}
if ($this->execute($this->renderStatement('delete', compact('alias', 'table', 'joins', 'conditions'))) === false) {
$model->onError();
return false;
}
return true;
}
/**
* Generates and executes an SQL DELETE statement.
* For databases that do not support aliases in UPDATE queries.
*
* @param Model $model
* @param mixed $conditions
* @return boolean Success
*/
function _delete(&$model, $conditions = null) {
if ($conditions === true) {
$conditions = $this->conditions(true);
} else {
$idList = $model->find('all', array('fields' => $model->escapeField(), 'conditions' => $conditions));
if (empty($idList)) {
return false;
}
$conditions = $this->conditions(array(
$model->primaryKey => Set::extract($idList, "{n}.{$model->alias}.{$model->primaryKey}")
));
}
$alias = $joins = null;
$table = $this->fullTableName($model);
if ($this->execute($this->renderStatement('delete', compact('alias', 'table', 'joins', 'conditions'))) === false) {
$model->onError();
return false;
}
return true;
}
/**
* Returns an array of SQL JOIN fragments from a model's associations
*
* @param object $model
* @return array
*/
function _getJoins($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' => $assoc,
'type' => 'LEFT',
'conditions' => trim($this->conditions($this->getConstraint($assocData['association'], $model, $model->{$assoc}, $assoc, $assocData), true, false))
));
}
}
return $join;
}
/**
* Deletes all the records in a table and resets the count of the auto-incrementing
* primary key, where applicable.
*
* @param mixed $table A string or model class representing the table to be truncated
* @return boolean SQL TRUNCATE TABLE statement, false if not applicable.
* @access public
*/
function truncate($table) {
return $this->execute('TRUNCATE TABLE ' . $this->fullTableName($table));
}
/**
* Creates a default set of conditions from the model if $conditions is null/empty.
*
* @param object $model
* @param mixed $conditions
* @param boolean $useAlias Use model aliases rather than table names when generating conditions
* @return mixed
*/
function defaultConditions(&$model, $conditions, $useAlias = true) {
if (!empty($conditions)) {
return $conditions;
}
if (!$model->exists()) {
return false;
}
$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 $assoc
* @return string
*/
function resolveKey($model, $key, $assoc = null) {
if (empty($assoc)) {
$assoc = $model->alias;
}
if (!strpos('.', $key)) {
return $this->name($model->alias) . '.' . $this->name($key);
}
return $key;
}
/**
* Returns the column type of a given
*
* @param Model $model
* @param string $field
*/
function getColumnType(&$model, $field) {
return $model->getColumnType($field);
}
/**
* Private helper method to remove query metadata in given data array.
*
* @param array $data
*/
function __scrubQueryData(&$data) {
foreach (array('conditions', 'fields', 'joins', 'order', 'limit', 'offset') as $key) {
if (!isset($data[$key]) || empty($data[$key])) {
$data[$key] = array();
}
}
}
/**
* Generates the fields list of an SQL query.
*
* @param Model $model
* @param string $alias Alias tablename
* @param mixed $fields
* @param boolean $quote If false, returns fields array unquoted
* @return array
*/
function fields(&$model, $alias = null, $fields = array(), $quote = true) {
if (empty($alias)) {
$alias = $model->alias;
}
if (empty($fields)) {
$fields = array_keys($model->schema());
} elseif (!is_array($fields)) {
$fields = String::tokenize($fields);
} else {
$fields = array_filter($fields);
}
if (!$quote) {
return $fields;
}
$count = count($fields);
if ($count >= 1 && !in_array($fields[0], array('*', 'COUNT(*)'))) {
for ($i = 0; $i < $count; $i++) {
if (!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) {
$fields[$i] = $prepend . $this->name($alias) . '.' . $this->name($fields[$i]);
} else {
$comma = strpos($fields[$i], ',');
if ($comma === false) {
$build = explode('.', $fields[$i]);
if (!Set::numeric($build)) {
$fields[$i] = $prepend . $this->name($build[0]) . '.' . $this->name($build[1]);
}
} else {
$comma = explode(',', $fields[$i]);
foreach ($comma as $string) {
$build = explode('.', $string);
if (!Set::numeric($build)) {
$value[] = $prepend . $this->name(trim($build[0])) . '.' . $this->name(trim($build[1]));
}
}
$fields[$i] = implode(', ', $value);
}
}
} elseif (preg_match('/\(([\.\w]+)\)/', $fields[$i], $field)) {
if (isset($field[1])) {
if (strpos($field[1], '.') === false) {
$field[1] = $this->name($alias) . '.' . $this->name($field[1]);
} else {
$field[0] = explode('.', $field[1]);
if (!Set::numeric($field[0])) {
$field[0] = join('.', array_map(array($this, 'name'), $field[0]));
$fields[$i] = preg_replace('/\(' . $field[1] . '\)/', '(' . $field[0] . ')', $fields[$i], 1);
}
}
}
}
}
}
return $fields;
}
/**
* Creates a WHERE clause by parsing given conditions data.
*
* @param mixed $conditions Array or string of conditions
* @return string SQL fragment
*/
function conditions($conditions, $quoteValues = true, $where = true) {
$clause = $out = '';
if (is_string($conditions) || empty($conditions) || $conditions === true) {
if (empty($conditions) || trim($conditions) == '' || $conditions === true) {
if ($where) {
return ' WHERE 1 = 1';
}
return '1 = 1';
}
if (!preg_match('/^WHERE\\x20|^GROUP\\x20BY\\x20|^HAVING\\x20|^ORDER\\x20BY\\x20/i', $conditions, $match)) {
if ($where) {
$clause = ' WHERE ';
}
}
if (trim($conditions) == '') {
$conditions = ' 1 = 1';
} else {
$conditions = $this->__quoteFields($conditions);
}
return $clause . $conditions;
} else {
if ($where) {
$clause = ' WHERE ';
}
if (!empty($conditions)) {
$out = $this->conditionKeysToString($conditions, $quoteValues);
}
if (empty($out) || empty($conditions)) {
return $clause . ' 1 = 1';
}
return $clause . join(' AND ', $out);
}
}
/**
* Creates a WHERE clause by parsing given conditions array. Used by DboSource::conditions().
*
* @param array $conditions Array or string of conditions
* @return string SQL fragment
*/
function conditionKeysToString($conditions, $quoteValues = true) {
$c = 0;
$data = $not = null;
$out = array();
$bool = array('and', 'or', 'not', 'and not', 'or not', 'xor', '||', '&&');
$join = ' AND ';
foreach ($conditions as $key => $value) {
if (is_numeric($key) && empty($value)) {
continue;
} elseif (is_numeric($key) && is_string($value)) {
$out[] = $not . $this->__quoteFields($value);
} elseif (in_array(strtolower(trim($key)), $bool)) {
$join = ' ' . strtoupper($key) . ' ';
$value = $this->conditionKeysToString($value, $quoteValues);
if (strpos($join, 'NOT') !== false) {
if (strtoupper(trim($key)) == 'NOT') {
$key = 'AND ' . $key;
}
$not = 'NOT ';
} else {
$not = null;
}
$out[] = $not . '((' . join(') ' . strtoupper($key) . ' (', $value) . '))';
} else {
if (is_string($value) && preg_match('/^\{\$__cakeIdentifier\[(.*)\]__\$}$/', $value, $identifier) && isset($identifier[1])) {
$data .= $this->name($key) . ' = ' . $this->name($identifier[1]);
} elseif (is_array($value) && !empty($value)) {
$keys = array_keys($value);
if ($keys[0] === 0) {
$data = $this->name($key) . ' IN (';
if (strpos($value[0], '-!') === 0) {
$value[0] = str_replace('-!', '', $value[0]);
$data .= $value[0];
$data .= ')';
} else {
if ($quoteValues) {
foreach ($value as $valElement) {
$data .= $this->value($valElement) . ', ';
}
}
$data[strlen($data) - 2] = ')';
}
} else {
$ret = $this->conditionKeysToString($value, $quoteValues);
if (count($ret) > 1) {
$out[] = '(' . join(') AND (', $ret) . ')';
} elseif (isset($ret[0])) {
$out[] = $ret[0];
}
}
} elseif (is_numeric($key) && !empty($value)) {
$data = $this->__quoteFields($value);
} elseif ($value === null || (is_array($value) && empty($value))) {
$data = $this->name($key) . ' IS NULL';
} elseif ($value === false || $value === true) {
$data = $this->name($key) . " = " . $this->value($value, 'boolean');
} elseif ($value === '') {
$data = $this->name($key) . " = ''";
} elseif (preg_match('/^([a-z]+\\([a-z0-9]*\\)\\x20+|(?:' . join('\\x20)|(?:', $this->__sqlOps) . '\\x20)|<[>=]?(?![^>]+>)\\x20?|[>=!]{1,3}(?!<)\\x20?)?(.*)/is', $value, $match)) {
if (preg_match('/(\\x20[\\w]*\\x20)/', $key, $regs)) {
$clause = $regs['1'];
$key = preg_replace('/' . $regs['1'] . '/', '', $key);
}
$not = false;
$mValue = trim($match['1']);
if (empty($match['1'])) {
$match['1'] = ' = ';
} elseif (empty($mValue)) {
$match['1'] = ' = ';
$match['2'] = $match['0'];
} elseif (!isset($match['2'])) {
$match['1'] = ' = ';
$match['2'] = $match['0'];
} elseif (strtolower($mValue) == 'not') {
$not = $this->conditionKeysToString(array($mValue => array($key => $match[2])), $quoteValues);
}
if ($not) {
$data = $not[0];
} elseif (strpos($match['2'], '-!') === 0) {
$match['2'] = str_replace('-!', '', $match['2']);
$data = $this->name($key) . ' ' . $match['1'] . ' ' . $match['2'];
} else {
if (!empty($match['2']) && $quoteValues) {
if (!preg_match('/[A-Za-z]+\\([a-z0-9]*\\),?\\x20+/', $match['2'])) {
$match['2'] = $this->value($match['2']);
}
$match['2'] = str_replace(' AND ', "' AND '", $match['2']);
}
$data = $this->__quoteFields($key);
if ($data === $key) {
$data = $this->name($key) . ' ' . $match['1'] . ' ' . $match['2'];
} else {
$data = $data . ' ' . $match['1'] . ' ' . $match['2'];
}
}
}
if ($data != null) {
$out[] = $data;
$data = null;
}
}
$c++;
}
return $out;
}
/**
* Quotes Model.fields
*
* @param string $conditions
* @return string or false if no match
* @access private
*/
function __quoteFields($conditions) {
$start = null;
$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);
preg_match_all('/(?:[\'\"][^\'\"\\\]*(?:\\\.[^\'\"\\\]*)*[\'\"])|([a-z0-9_' . $start . $end . ']*\\.[a-z0-9_' . $start . $end . ']*)/i', $conditions, $replace, PREG_PATTERN_ORDER);
if (isset($replace['1']['0'])) {
$pregCount = count($replace['1']);
for ($i = 0; $i < $pregCount; $i++) {
if (!empty($replace['1'][$i]) && !is_numeric($replace['1'][$i])) {
$conditions = preg_replace('/\b' . preg_quote($replace['1'][$i]) . '\b/', $this->name($replace['1'][$i]), $conditions);
}
}
return $conditions;
}
return $original;
}
/**
* Returns a limit statement in the correct format for the particular database.
*
* @param integer $limit Limit of results returned
* @param integer $offset Offset from which to start results
* @return string SQL limit/offset statement
*/
function limit($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 $direction Direction (ASC or DESC)
* @return string ORDER BY clause
*/
function order($keys, $direction = 'ASC') {
if (is_string($keys) && strpos($keys, ',') && !preg_match('/\(.+\,.+\)/', $keys)) {
$keys = explode(',', $keys);
array_map('trim', $keys);
}
if (is_array($keys)) {
foreach ($keys as $key => $val) {
if (is_numeric($key) && empty($val)) {
unset ($keys[$key]);
}
}
}
if (empty($keys) || (is_array($keys) && count($keys) && isset($keys[0]) && empty($keys[0]))) {
return '';
}
if (is_array($keys)) {
if (Set::countDim($keys) > 1) {
$new = array();
foreach ($keys as $val) {
$val = $this->order($val);
$new[] = $val;
}
$keys = $new;
}
foreach ($keys as $key => $value) {
if (is_numeric($key)) {
$value = ltrim(str_replace('ORDER BY ', '', $this->order($value)));
$key = $value;
if (!preg_match('/\\x20ASC|\\x20DESC/i', $key)) {
$value = ' ' . $direction;
} else {
$value = '';
}
} else {
$value = ' ' . $value;
}
if (!preg_match('/^.+\\(.*\\)/', $key) && !strpos($key, ',')) {
$dir = '';
$hasDir = preg_match('/\\x20ASC|\\x20DESC/i', $key, $dir);
if ($hasDir) {
$dir = $dir[0];
$key = preg_replace('/\\x20ASC|\\x20DESC/i', '', $key);
} else {
$dir = '';
}
$key = trim($this->name(trim($key)) . ' ' . trim($dir));
}
$order[] = $this->order($key . $value);
}
return ' ORDER BY ' . trim(str_replace('ORDER BY', '', join(',', $order)));
} else {
$keys = preg_replace('/ORDER\\x20BY/i', '', $keys);
if (strpos($keys, '.')) {
preg_match_all('/([a-zA-Z0-9_]{1,})\\.([a-zA-Z0-9_]{1,})/', $keys, $result,
PREG_PATTERN_ORDER);
$pregCount = count($result['0']);
for ($i = 0; $i < $pregCount; $i++) {
$keys = preg_replace('/' . $result['0'][$i] . '/', $this->name($result['0'][$i]), $keys);
}
if (preg_match('/\\x20ASC|\\x20DESC/i', $keys)) {
return ' ORDER BY ' . $keys;
} else {
return ' ORDER BY ' . $keys . ' ' . $direction;
}
} elseif (preg_match('/(\\x20ASC|\\x20DESC)/i', $keys, $match)) {
$direction = $match['1'];
$keys = preg_replace('/' . $match['1'] . '/', '', $keys);
return ' ORDER BY ' . $keys . $direction;
} else {
$direction = ' ' . $direction;
}
return ' ORDER BY ' . $keys . $direction;
}
}
/**
* Disconnects database, kills the connection and says the connection is closed,
* and if DEBUG is turned on, the log for this object is shown.
*
*/
function close() {
if (Configure::read() > 1) {
$this->showLog();
}
$this->disconnect();
}
/**
* Checks if the specified table contains any record matching specified SQL
*
* @param Model $model Model to search
* @param string $sql SQL WHERE clause (condition only, not the "WHERE" part)
* @return boolean True if the table has a matching record, else false
*/
function hasAny($model, $sql) {
$sql = $this->conditions($sql);
$out = $this->fetchRow("SELECT COUNT(" . $model->primaryKey . ") " . $this->alias . "count FROM " . $this->fullTableName($model) . ' ' . ($sql ? ' ' . $sql : 'WHERE 1 = 1'));
if (is_array($out)) {
return $out[0]['count'];
} else {
return false;
}
}
/**
* Gets the length of a database-native column description, or null if no length
*
* @param string $real Real database-layer column type (i.e. "varchar(255)")
* @return integer An integer representing the length of the column
*/
function length($real) {
$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;
}
/**
* Translates between PHP boolean values and Database (faked) boolean values
*
* @param mixed $data Value to be translated
* @return mixed Converted boolean value
*/
function boolean($data) {
if ($data === true || $data === false) {
if ($data === true) {
return 1;
}
return 0;
} else {
if (!empty($data)) {
return true;
}
return false;
}
}
/**
* Destructor. Closes connection to the database.
*
*/
function __destruct() {
if ($this->_transactionStarted) {
$null = null;
$this->rollback($null);
}
parent::__destruct();
}
/**
* Inserts multiple values into a join table
*
* @param string $table
* @param string $fields
* @param array $values
*/
function insertMulti($table, $fields, $values) {
$table = $this->fullTableName($table);
if (is_array($fields)) {
$fields = join(', ', array_map(array(&$this, 'name'), $fields));
}
$values = implode(', ', $values);
$this->query("INSERT INTO {$table} ({$fields}) VALUES {$values}");
}
/**
* Inserts multiple values into a join table
*
* @param string $table
* @param string $fields
* @param array $values
* @access protected
*/
function __insertMulti($table, $fields, $values) {
if (is_object($table)) {
$table = $this->fullTableName($table);
}
if (is_array($fields)) {
$fields = join(', ', array_map(array(&$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 $model Name of model to inspect
* @return array Fields in table. Keys are column and unique
*/
function index($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 $table Optional. If specified only the table name given will be generated.
* Otherwise, all tables defined in the schema are generated.
* @return string
*/
function createSchema($schema, $table = null) {
if (!is_a($schema, 'CakeSchema')) {
trigger_error(__('Invalid schema object', true), E_USER_WARNING);
return null;
}
$out = '';
foreach ($schema->tables as $curTable => $columns) {
if (!$table || $table == $curTable) {
$out .= 'CREATE TABLE ' . $this->fullTableName($curTable) . " (\n";
$cols = $colList = $index = array();
$primary = null;
foreach ($columns as $name => $col) {
if (is_string($col)) {
$col = array('type' => $col);
}
if (isset($col['key']) && $col['key'] == 'primary') {
$primary = $name;
}
if ($name !== 'indexes') {
$col['name'] = $name;
if (!isset($col['type'])) {
$col['type'] = 'string';
}
$cols[] = $this->buildColumn($col);
} else {
$index[] = $this->buildIndex($col);
}
}
if (empty($index) && !empty($primary)) {
$col = array('PRIMARY' => array('column'=> $primary, 'unique' => 1));
$index[] = $this->buildIndex($col);
}
$out .= "\t" . join(",\n\t", array_filter(array_merge($cols, $index))) . "\n);\n\n";
}
}
return $out;
}
/**
* Generate a alter syntax from CakeSchema::compare()
*
* @param unknown_type $schema
* @return unknown
*/
function alterSchema($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 $table Optional. If specified only the table name given will be generated.
* Otherwise, all tables defined in the schema are generated.
* @return string
*/
function dropSchema($schema, $table = null) {
if (!is_a($schema, 'CakeSchema')) {
trigger_error(__('Invalid schema object', true), 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 $column An array structured like the following: array('name'=>'value', 'type'=>'value'[, options]),
* where options can be 'default', 'length', or 'key'.
* @return string
*/
function buildColumn($column) {
$name = $type = null;
$column = array_merge(array('null' => true), $column);
extract($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("Column type {$type} does not exist", 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 .= '(' . $length . ')';
}
if (isset($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'], $type);
} elseif (isset($column['null']) && $column['null'] == true) {
$out .= ' DEFAULT NULL';
} elseif (isset($column['null']) && $column['null'] == false) {
$out .= ' NOT NULL';
}
return $out;
}
/**
* Format indexes for create table
*
* @param array $indexes
* @return string
*/
function buildIndex($indexes) {
return false;
}
}
?>