<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM;
use Doctrine\ORM\Query\CacheHandler;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\QueryException;
/**
* A Query object represents a DQL query.
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 3938 $
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Roman Borschel <roman@code-factory.org>
*/
class Query extends AbstractQuery
{
/**
* QUERY TYPE CONSTANTS
*/
/**
* Constant for SELECT queries.
*/
const SELECT = 0;
/**
* Constant for DELETE queries.
*/
const DELETE = 1;
/**
* Constant for UPDATE queries.
*/
const UPDATE = 2;
/**
* A query object is in CLEAN state when it has NO unparsed/unprocessed DQL parts.
*/
const STATE_CLEAN = 1;
/**
* A query object is in state DIRTY when it has DQL parts that have not yet been
* parsed/processed. This is automatically defined as DIRTY when addDqlQueryPart
* is called.
*/
const STATE_DIRTY = 2;
/**
* @var integer $type Query type.
*
* @see Query::* constants
*/
protected $_type = self::SELECT;
/**
* @var integer $_state The current state of this query.
*/
protected $_state = self::STATE_CLEAN;
/**
* @var array $_dqlParts An array containing all DQL query parts.
* @see Query::free that initializes this property
*/
protected $_dqlParts = array();
/**
* @var string $_dql Cached DQL query.
*/
protected $_dql = null;
/**
* @var Doctrine\ORM\Query\ParserResult The parser result that holds DQL => SQL information.
*/
protected $_parserResult;
/**
* @var Doctrine_Cache_Interface The cache driver used for caching queries.
*/
//protected $_queryCache;
/**
* @var boolean Boolean value that indicates whether or not expire the query cache.
*/
//protected $_expireQueryCache = false;
/**
* @var int Query Cache lifetime.
*/
//protected $_queryCacheTTL;
// End of Caching Stuff
/**
* Initializes a new Query instance.
*
* @param Doctrine\ORM\EntityManager $entityManager
*/
public function __construct(EntityManager $entityManager)
{
parent::__construct($entityManager);
}
/**
* Gets the SQL query/queries that correspond to this DQL query.
*
* @return mixed The built sql query or an array of all sql queries.
* @override
*/
public function getSql()
{
return $this->parse()->getSqlExecutor()->getSqlStatements();
}
/**
* Parses the DQL query, if necessary, and stores the parser result.
*
* Note: Populates $this->_parserResult as a side-effect.
*
* @return Doctrine\ORM\Query\ParserResult
*/
public function parse()
{
if ($this->_state === self::STATE_DIRTY) {
$parser = new Parser($this);
$this->_parserResult = $parser->parse();
$this->_state = self::STATE_CLEAN;
}
return $this->_parserResult;
}
/**
* _execute
*
* @param array $params
* @return PDOStatement The executed PDOStatement.
* @override
*/
protected function _doExecute(array $params)
{
// If there is a CacheDriver associated to cache queries...
if ($queryCache = $this->_em->getConfiguration()->getQueryCacheImpl()) {
// Calculate hash for dql query.
$hash = md5($this->getDql() . 'DOCTRINE_QUERY_CACHE_SALT');
$cached = ($this->_expireQueryCache) ? false : $queryCache->fetch($hash);
if ($cached === false) {
// Cache miss.
$executor = $this->parse()->getSqlExecutor();
$queryCache->save($hash, $this->_parserResult->toCachedForm(), null);
} else {
// Cache hit.
$this->_parserResult = CacheHandler::fromCachedQuery($this, $cached);
$executor = $this->_parserResult->getSqlExecutor();
}
} else {
$executor = $this->parse()->getSqlExecutor();
}
// Assignments for Enums
$this->_setEnumParams($this->_parserResult->getEnumParams());
// Converting parameters
$params = $this->_prepareParams($params);
if ( ! $this->_resultSetMapping) {
$this->_resultSetMapping = $this->_parserResult->getResultSetMapping();
}
// Executing the query and returning statement
return $executor->execute($this->_em->getConnection(), $params);
}
/**
* Defines a cache driver to be used for caching queries.
*
* @param Doctrine_Cache_Interface|null $driver Cache driver
* @return Doctrine_ORM_Query
*/
/*public function setQueryCache($queryCache)
{
if ($queryCache !== null && ! ($queryCache instanceof \Doctrine\ORM\Cache\Cache)) {
throw DoctrineException::updateMe(
'Method setResultCache() accepts only an instance of Doctrine_ORM_Cache_Interface or null.'
);
}
$this->_queryCache = $queryCache;
return $this;
}*/
/**
* Returns the cache driver used for caching queries.
*
* @return Doctrine_Cache_Interface Cache driver
*/
/*public function getQueryCache()
{
if ($this->_queryCache instanceof \Doctrine\ORM\Cache\Cache) {
return $this->_queryCache;
} else {
return $this->_em->getConnection()->getQueryCacheDriver();
}
}*/
/**
* Defines how long the query cache will be active before expire.
*
* @param integer $timeToLive How long the cache entry is valid
* @return Doctrine_ORM_Query
*/
/*public function setQueryCacheLifetime($timeToLive)
{
if ($timeToLive !== null) {
$timeToLive = (int) $timeToLive;
}
$this->_queryCacheTTL = $timeToLive;
return $this;
}*/
/**
* Retrieves the lifetime of resultset cache.
*
* @return int
*/
/*public function getQueryCacheLifetime()
{
return $this->_queryCacheTTL;
}*/
/**
* Defines if the query cache is active or not.
*
* @param boolean $expire Whether or not to force query cache expiration.
* @return Doctrine_ORM_Query
*/
/*public function setExpireQueryCache($expire = true)
{
$this->_expireQueryCache = (bool) $expire;
return $this;
}*/
/**
* Retrieves if the query cache is active or not.
*
* @return bool
*/
/*public function getExpireQueryCache()
{
return $this->_expireQueryCache;
}*/
/**
* @override
*/
public function free()
{
parent::free();
$this->_dqlParts = array(
'select' => array(),
'distinct' => false,
'from' => array(),
'join' => array(),
'set' => array(),
'where' => array(),
'groupby' => array(),
'having' => array(),
'orderby' => array(),
'limit' => array(),
'offset' => array(),
);
$this->_dql = null;
$this->_state = self::STATE_CLEAN;
}
/**
* Sets a DQL query string.
*
* @param string $dqlQuery DQL Query
*/
public function setDql($dqlQuery)
{
$this->free();
if ($dqlQuery !== null) {
$this->_dql = $dqlQuery;
$this->_state = self::STATE_DIRTY;
}
}
/**
* Returns the DQL query that is represented by this query object.
*
* @return string DQL query
*/
public function getDql()
{
if ($this->_dql !== null) {
return $this->_dql;
}
$dql = '';
switch ($this->_type) {
case self::DELETE:
$dql = $this->_getDqlForDelete();
break;
case self::UPDATE:
$dql = $this->_getDqlForUpdate();
break;
case self::SELECT:
default:
$dql = $this->_getDqlForSelect();
break;
}
return $dql;
}
/**
* Builds the DQL of DELETE
*/
protected function _getDqlForDelete()
{
/*
* BNF:
*
* DeleteStatement = DeleteClause [WhereClause] [OrderByClause] [LimitClause] [OffsetClause]
* DeleteClause = "DELETE" "FROM" RangeVariableDeclaration
* WhereClause = "WHERE" ConditionalExpression
* OrderByClause = "ORDER" "BY" OrderByItem {"," OrderByItem}
* LimitClause = "LIMIT" integer
* OffsetClause = "OFFSET" integer
*
*/
return 'DELETE'
. $this->_getReducedDqlQueryPart('from', array('pre' => ' FROM ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('where', array('pre' => ' WHERE ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('orderby', array('pre' => ' ORDER BY ', 'separator' => ', '))
. $this->_getReducedDqlQueryPart('limit', array('pre' => ' LIMIT ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('offset', array('pre' => ' OFFSET ', 'separator' => ' '));
}
/**
* Builds the DQL of UPDATE
*/
protected function _getDqlForUpdate()
{
/*
* BNF:
*
* UpdateStatement = UpdateClause [WhereClause] [OrderByClause] [LimitClause] [OffsetClause]
* UpdateClause = "UPDATE" RangeVariableDeclaration "SET" UpdateItem {"," UpdateItem}
* WhereClause = "WHERE" ConditionalExpression
* OrderByClause = "ORDER" "BY" OrderByItem {"," OrderByItem}
* LimitClause = "LIMIT" integer
* OffsetClause = "OFFSET" integer
*
*/
return 'UPDATE'
. $this->_getReducedDqlQueryPart('from', array('pre' => ' FROM ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('where', array('pre' => ' SET ', 'separator' => ', '))
. $this->_getReducedDqlQueryPart('where', array('pre' => ' WHERE ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('orderby', array('pre' => ' ORDER BY ', 'separator' => ', '))
. $this->_getReducedDqlQueryPart('limit', array('pre' => ' LIMIT ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('offset', array('pre' => ' OFFSET ', 'separator' => ' '));
}
/**
* Builds the DQL of SELECT
*/
protected function _getDqlForSelect()
{
/*
* BNF:
*
* SelectStatement = [SelectClause] FromClause [WhereClause] [GroupByClause] [HavingClause] [OrderByClause] [LimitClause] [OffsetClause]
* SelectClause = "SELECT" ["ALL" | "DISTINCT"] SelectExpression {"," SelectExpression}
* FromClause = "FROM" IdentificationVariableDeclaration {"," IdentificationVariableDeclaration}
* WhereClause = "WHERE" ConditionalExpression
* GroupByClause = "GROUP" "BY" GroupByItem {"," GroupByItem}
* HavingClause = "HAVING" ConditionalExpression
* OrderByClause = "ORDER" "BY" OrderByItem {"," OrderByItem}
* LimitClause = "LIMIT" integer
* OffsetClause = "OFFSET" integer
*
*/
/**
* @todo [TODO] What about "ALL" support?
*/
return 'SELECT'
. (($this->getDqlQueryPart('distinct') === true) ? ' DISTINCT' : '')
. $this->_getReducedDqlQueryPart('select', array('pre' => ' ', 'separator' => ', ', 'empty' => ' *'))
. $this->_getReducedDqlQueryPart('from', array('pre' => ' FROM ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('where', array('pre' => ' WHERE ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('groupby', array('pre' => ' GROUP BY ', 'separator' => ', '))
. $this->_getReducedDqlQueryPart('having', array('pre' => ' HAVING ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('orderby', array('pre' => ' ORDER BY ', 'separator' => ', '))
. $this->_getReducedDqlQueryPart('limit', array('pre' => ' LIMIT ', 'separator' => ' '))
. $this->_getReducedDqlQueryPart('offset', array('pre' => ' OFFSET ', 'separator' => ' '));
}
/**
* @nodoc
*/
protected function _getReducedDqlQueryPart($queryPartName, $options = array())
{
if (empty($this->_dqlParts[$queryPartName])) {
return (isset($options['empty']) ? $options['empty'] : '');
}
$str = (isset($options['pre']) ? $options['pre'] : '');
$str .= implode($options['separator'], $this->getDqlQueryPart($queryPartName));
$str .= (isset($options['post']) ? $options['post'] : '');
return $str;
}
/**
* Returns the type of this query object
* By default the type is Doctrine_ORM_Query_Abstract::SELECT but if update() or delete()
* are being called the type is Doctrine_ORM_Query_Abstract::UPDATE and Doctrine_ORM_Query_Abstract::DELETE,
* respectively.
*
* @see Doctrine_ORM_Query_Abstract::SELECT
* @see Doctrine_ORM_Query_Abstract::UPDATE
* @see Doctrine_ORM_Query_Abstract::DELETE
*
* @return integer Return the query type
*/
public function getType()
{
return $this->_type;
}
/**
* Returns the state of this query object
* By default the type is Doctrine_ORM_Query_Abstract::STATE_CLEAN but if it appears any unprocessed DQL
* part, it is switched to Doctrine_ORM_Query_Abstract::STATE_DIRTY.
*
* @see AbstractQuery::STATE_CLEAN
* @see AbstractQuery::STATE_DIRTY
*
* @return integer Return the query state
*/
public function getState()
{
return $this->_state;
}
/**
* Adds fields to the SELECT part of the query
*
* @param string $select Query SELECT part
* @return Doctrine_ORM_Query
*/
public function select($select = '', $override = false)
{
if ($select === '') {
return $this;
}
return $this->_addDqlQueryPart('select', $select, ! $override);
}
/**
* Makes the query SELECT DISTINCT.
*
* @param bool $flag Whether or not the SELECT is DISTINCT (default true).
* @return Doctrine_ORM_Query
*/
public function distinct($flag = true)
{
$this->_dqlParts['distinct'] = (bool) $flag;
return $this;
}
/**
* Sets the query type to DELETE
*
* @return Doctrine_ORM_Query
*/
public function delete()
{
$this->_type = self::DELETE;
return $this;
}
/**
* Sets the UPDATE part of the query
*
* @param string $update Query UPDATE part
* @return Doctrine_ORM_Query
*/
public function update($update)
{
$this->_type = self::UPDATE;
return $this->_addDqlQueryPart('from', $update);
}
/**
* Sets the SET part of the query
*
* @param mixed $key UPDATE keys. Accepts either a string (requiring then $value or $params to be defined)
* or an array of $key => $value pairs.
* @param string $value UPDATE key value. Optional argument, but required if $key is a string.
* @return Doctrine_ORM_Query
*/
public function set($key, $value = null, $params = null)
{
if (is_array($key)) {
foreach ($key as $k => $v) {
$this->set($k, '?', array($v));
}
return $this;
} else {
if ($params !== null) {
if (is_array($params)) {
$this->_params['set'] = array_merge($this->_params['set'], $params);
} else {
$this->_params['set'][] = $params;
}
}
if ($value === null) {
throw \Doctrine\Common\DoctrineException::updateMe( 'Cannot try to set \''.$key.'\' without a value.' );
}
return $this->_addDqlQueryPart('set', $key . ' = ' . $value, true);
}
}
/**
* Adds fields to the FROM part of the query
*
* @param string $from Query FROM part
* @return Doctrine_ORM_Query
*/
public function from($from, $override = false)
{
return $this->_addDqlQueryPart('from', $from, ! $override);
}
/**
* Appends an INNER JOIN to the FROM part of the query
*
* @param string $join Query INNER JOIN
* @param mixed $params Optional JOIN params (array of parameters or a simple scalar)
* @return Doctrine_ORM_Query
*/
public function innerJoin($join, $params = array())
{
if (is_array($params)) {
$this->_params['join'] = array_merge($this->_params['join'], $params);
} else {
$this->_params['join'][] = $params;
}
return $this->_addDqlQueryPart('from', 'INNER JOIN ' . $join, true);
}
/**
* Appends an INNER JOIN to the FROM part of the query
*
* @param string $join Query INNER JOIN
* @param mixed $params Optional JOIN params (array of parameters or a simple scalar)
* @return Doctrine_ORM_Query
*/
public function join($join, $params = array())
{
return $this->innerJoin($join, $params);
}
/**
* Appends a LEFT JOIN to the FROM part of the query
*
* @param string $join Query LEFT JOIN
* @param mixed $params Optional JOIN params (array of parameters or a simple scalar)
* @return Doctrine_ORM_Query
*/
public function leftJoin($join, $params = array())
{
if (is_array($params)) {
$this->_params['join'] = array_merge($this->_params['join'], $params);
} else {
$this->_params['join'][] = $params;
}
return $this->_addDqlQueryPart('from', 'LEFT JOIN ' . $join, true);
}
/**
* Adds conditions to the WHERE part of the query
*
* @param string $where Query WHERE part
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function where($where, $params = array(), $override = false)
{
if ($override) {
$this->_params['where'] = array();
}
if (is_array($params)) {
$this->_params['where'] = array_merge($this->_params['where'], $params);
} else {
$this->_params['where'][] = $params;
}
return $this->_addDqlQueryPart('where', $where, ! $override);
}
/**
* Adds conditions to the WHERE part of the query
*
* @param string $where Query WHERE part
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function andWhere($where, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('where')) > 0) {
$this->_addDqlQueryPart('where', 'AND', true);
}
return $this->where($where, $params, $override);
}
/**
* Adds conditions to the WHERE part of the query
*
* @param string $where Query WHERE part
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function orWhere($where, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('where')) > 0) {
$this->_addDqlQueryPart('where', 'OR', true);
}
return $this->where($where, $params, $override);
}
/**
* Adds IN condition to the query WHERE part
*
* @param string $expr The operand of the IN
* @param mixed $params An array of parameters or a simple scalar
* @param boolean $not Whether or not to use NOT in front of IN
* @return Doctrine_ORM_Query
*/
public function whereIn($expr, $params = array(), $override = false, $not = false)
{
$params = (array) $params;
// Must have at least one param, otherwise we'll get an empty IN () => invalid SQL
if ( ! count($params)) {
return $this;
}
list($sqlPart, $params) = $this->_processWhereInParams($params);
$where = $expr . ($not === true ? ' NOT' : '') . ' IN (' . $sqlPart . ')';
return $this->_returnWhereIn($where, $params, $override);
}
/**
* Adds NOT IN condition to the query WHERE part
*
* @param string $expr The operand of the NOT IN
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function whereNotIn($expr, $params = array(), $override = false)
{
return $this->whereIn($expr, $params, $override, true);
}
/**
* Adds IN condition to the query WHERE part
*
* @param string $expr The operand of the IN
* @param mixed $params An array of parameters or a simple scalar
* @param boolean $not Whether or not to use NOT in front of IN
* @return Doctrine_ORM_Query
*/
public function andWhereIn($expr, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('where')) > 0) {
$this->_addDqlQueryPart('where', 'AND', true);
}
return $this->whereIn($expr, $params, $override);
}
/**
* Adds NOT IN condition to the query WHERE part
*
* @param string $expr The operand of the NOT IN
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function andWhereNotIn($expr, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('where')) > 0) {
$this->_addDqlQueryPart('where', 'AND', true);
}
return $this->whereIn($expr, $params, $override, true);
}
/**
* Adds IN condition to the query WHERE part
*
* @param string $expr The operand of the IN
* @param mixed $params An array of parameters or a simple scalar
* @param boolean $not Whether or not to use NOT in front of IN
* @return Doctrine_ORM_Query
*/
public function orWhereIn($expr, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('where')) > 0) {
$this->_addDqlQueryPart('where', 'OR', true);
}
return $this->whereIn($expr, $params, $override);
}
/**
* Adds NOT IN condition to the query WHERE part
*
* @param string $expr The operand of the NOT IN
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function orWhereNotIn($expr, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('where')) > 0) {
$this->_addDqlQueryPart('where', 'OR', true);
}
return $this->whereIn($expr, $params, $override, true);
}
/**
* Adds fields to the GROUP BY part of the query
*
* @param string $groupby Query GROUP BY part
* @return Doctrine_ORM_Query
*/
public function groupBy($groupby, $override = false)
{
return $this->_addDqlQueryPart('groupby', $groupby, ! $override);
}
/**
* Adds conditions to the HAVING part of the query
*
* @param string $having Query HAVING part
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function having($having, $params = array(), $override = false)
{
if ($override) {
$this->_params['having'] = array();
}
if (is_array($params)) {
$this->_params['having'] = array_merge($this->_params['having'], $params);
} else {
$this->_params['having'][] = $params;
}
return $this->_addDqlQueryPart('having', $having, true);
}
/**
* Adds conditions to the HAVING part of the query
*
* @param string $having Query HAVING part
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function andHaving($having, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('having')) > 0) {
$this->_addDqlQueryPart('having', 'AND', true);
}
return $this->having($having, $params, $override);
}
/**
* Adds conditions to the HAVING part of the query
*
* @param string $having Query HAVING part
* @param mixed $params An array of parameters or a simple scalar
* @return Doctrine_ORM_Query
*/
public function orHaving($having, $params = array(), $override = false)
{
if (count($this->getDqlQueryPart('having')) > 0) {
$this->_addDqlQueryPart('having', 'OR', true);
}
return $this->having($having, $params, $override);
}
/**
* Adds fields to the ORDER BY part of the query
*
* @param string $orderby Query ORDER BY part
* @return Doctrine_ORM_Query
*/
public function orderBy($orderby, $override = false)
{
return $this->_addDqlQueryPart('orderby', $orderby, ! $override);
}
/**
* Sets the Query query limit
*
* @param integer $limit Limit to be used for limiting the query results
* @return Doctrine_ORM_Query
*/
public function limit($limit)
{
return $this->_addDqlQueryPart('limit', $limit);
}
/**
* Sets the Query query offset
*
* @param integer $offset Offset to be used for paginating the query
* @return Doctrine_ORM_Query
*/
public function offset($offset)
{
return $this->_addDqlQueryPart('offset', $offset);
}
/**
* Method to check if a arbitrary piece of DQL exists
*
* @param string $dql Arbitrary piece of DQL to check for
* @return boolean
*/
public function contains($dql)
{
return stripos($this->getDql(), $dql) === false ? false : true;
}
/**
* Retrieve a DQL part for internal purposes
*
* @param string $queryPartName The name of the query part.
* @return mixed Array related to query part or simple scalar
*/
public function getDqlQueryPart($queryPartName)
{
if ( ! isset($this->_dqlParts[$queryPartName])) {
throw \Doctrine\Common\DoctrineException::updateMe('Unknown DQL query part \'' . $queryPartName . '\'');
}
return $this->_dqlParts[$queryPartName];
}
/**
* Adds a DQL part to the internal parts collection.
*
* @param string $queryPartName The name of the query part.
* @param string $queryPart The actual query part to add.
* @param boolean $append Whether to append $queryPart to already existing
* parts under the same $queryPartName. Defaults to FALSE
* (previously added parts with the same name get overridden).
* @return Doctrine_ORM_Query
*/
protected function _addDqlQueryPart($queryPartName, $queryPart, $append = false)
{
if ($append) {
$this->_dqlParts[$queryPartName][] = $queryPart;
} else {
$this->_dqlParts[$queryPartName] = array($queryPart);
}
$this->_state = Doctrine_ORM_Query::STATE_DIRTY;
return $this;
}
/**
* Processes the WHERE IN () parameters and return an indexed array containing
* the sqlPart to be placed in SQL statement and the new parameters (that will be
* bound in SQL execution)
*
* @param array $params Parameters to be processed
* @return array
*/
protected function _processWhereInParams($params = array())
{
return array(
// [0] => sqlPart
implode(', ', array_map(array(&$this, '_processWhereInSqlPart'), $params)),
// [1] => params
array_filter($params, array(&$this, '_processWhereInParamItem')),
);
}
/**
* @nodoc
*/
protected function _processWhereInSqlPart($value)
{
// [TODO] Add support to imbricated query (must deliver the hardest effort to Parser)
return ($value instanceof Doctrine_Expression) ? $value->getSql() : '?';
}
/**
* @nodoc
*/
protected function _processWhereInParamItem($value)
{
// [TODO] Add support to imbricated query (must deliver the hardest effort to Parser)
return ( ! ($value instanceof Doctrine_Expression));
}
/**
* Processes a WHERE IN () and build defined stuff to add in DQL
*
* @param string $where The WHERE clause to be added
* @param array $params WHERE clause parameters
* @param mixed $appender Where this clause may be not be appended, or appended
* (two possible values: AND or OR)
* @return Doctrine_ORM_Query
*/
protected function _returnWhereIn($where, $params = array(), $override = false)
{
// Parameters inclusion
$this->_params['where'] = $override ? $params : array_merge($this->_params['where'], $params);
// WHERE clause definition
return $this->_addDqlQueryPart('where', $where, ! $override);
}
}