DQL-to-SQL lazy conversion
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zYne
parent
4346c9f818
commit
a770f83d45
@ -71,7 +71,6 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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protected $_dqlParts = array(
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'select' => array(),
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'distinct' => false,
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'forUpdate' => false,
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'from' => array(),
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'set' => array(),
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@ -99,6 +98,17 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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{
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return new Doctrine_Query($conn);
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}
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public function reset()
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{
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$this->_enumParams = array();
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$this->_pendingJoinConditions = array();
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$this->pendingSubqueries = array();
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$this->pendingFields = array();
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$this->_neededTables = array();
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$this->subqueryAliases = array();
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$this->needsSubquery = false;
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$this->isLimitSubqueryUsed = false;
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}
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/**
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* setOption
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*
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@ -133,10 +143,10 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function addEnumParam($key, $table = null, $column = null)
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{
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$array = (isset($table) || isset($column)) ? array($table, $column) : array();
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$array = (isset($table) || isset($column)) ? array($table, $column) : array();
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if ($key === '?') {
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$this->_enumParams[] = $array;
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if ($key === '?') {
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$this->_enumParams[] = $array;
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} else {
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$this->_enumParams[$key] = $array;
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}
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@ -254,33 +264,19 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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public function parseQueryPart($queryPartName, $queryPart, $append = false)
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{
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// sanity check
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if ($queryPart === '' || $queryPart === null) {
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// sanity check
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if ($queryPart === '' || $queryPart === null) {
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throw new Doctrine_Query_Exception('Empty ' . $queryPartName . ' part given.');
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}
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}
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// add query part to the dql part array
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if ($append) {
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$this->_dqlParts[$queryPartName][] = $queryPart;
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} else {
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if ($append) {
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$this->_dqlParts[$queryPartName][] = $queryPart;
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} else {
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$this->_dqlParts[$queryPartName] = array($queryPart);
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}
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// check for cache
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if ( ! $this->_options['resultSetCache']) {
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$parser = $this->getParser($queryPartName);
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$sql = $parser->parse($queryPart);
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}
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if (isset($sql)) {
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if ($append) {
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$this->addQueryPart($queryPartName, $sql);
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} else {
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$this->setQueryPart($queryPartName, $sql);
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}
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}
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}
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return $this;
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}
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/**
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@ -293,8 +289,8 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function getDql()
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{
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$q = '';
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$q .= ( ! empty($this->_dqlParts['select']))? 'SELECT ' . implode(', ', $this->_dqlParts['select']) : '';
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$q = '';
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$q .= ( ! empty($this->_dqlParts['select']))? 'SELECT ' . implode(', ', $this->_dqlParts['select']) : '';
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$q .= ( ! empty($this->_dqlParts['from']))? ' FROM ' . implode(' ', $this->_dqlParts['from']) : '';
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$q .= ( ! empty($this->_dqlParts['where']))? ' WHERE ' . implode(' AND ', $this->_dqlParts['where']) : '';
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$q .= ( ! empty($this->_dqlParts['groupby']))? ' GROUP BY ' . implode(', ', $this->_dqlParts['groupby']) : '';
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@ -478,7 +474,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function processPendingSubqueries()
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{
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foreach ($this->pendingSubqueries as $value) {
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foreach ($this->pendingSubqueries as $value) {
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list($dql, $alias) = $value;
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$sql = $this->createSubquery()->parseQuery($dql, false)->getQuery();
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@ -504,7 +500,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function processPendingAggregates()
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{
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// iterate trhough all aggregates
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// iterate trhough all aggregates
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foreach ($this->pendingAggregates as $aggregate) {
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list ($expression, $components, $alias) = $aggregate;
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@ -592,7 +588,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function buildFromPart()
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{
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$q = '';
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$q = '';
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foreach ($this->parts['from'] as $k => $part) {
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if ($k === 0) {
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$q .= $part;
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@ -623,7 +619,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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}
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$q .= ' ' . $part;
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$this->parts['from'][$k] = $part;
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}
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return $q;
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@ -638,17 +634,37 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function getQuery($params = array())
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{
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// check if parser cache is on
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if ($this->_cache) {
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foreach ($this->_dqlParts as $queryPartName => $queryParts) {
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if (is_array($queryParts) && ! empty($queryParts)) {
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// check if parser cache is on
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foreach ($queryParts as $queryPart) {
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$this->getParser($queryPartName)->parse($queryPart);
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$this->_aliasMap = array();
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$this->pendingAggregates = array();
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$this->aggregateMap = array();
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$this->reset();
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foreach ($this->_dqlParts as $queryPartName => $queryParts) {
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$this->parts[$queryPartName] = array();
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if (is_array($queryParts) && ! empty($queryParts)) {
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foreach ($queryParts as $queryPart) {
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$parser = $this->getParser($queryPartName);
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$sql = $parser->parse($queryPart);
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if (isset($sql)) {
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if ($queryPartName == 'limit' ||
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$queryPartName == 'offset') {
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$this->setQueryPart($queryPartName, $sql);
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} else {
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$this->addQueryPart($queryPartName, $sql);
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}
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}
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}
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}
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}
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}
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if (empty($this->parts['from'])) {
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return false;
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}
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@ -687,7 +703,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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$modifyLimit = true;
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if ( ! empty($this->parts["limit"]) || ! empty($this->parts["offset"])) {
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if ( ! empty($this->parts['limit']) || ! empty($this->parts['offset'])) {
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if ($needsSubQuery) {
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$subquery = $this->getLimitSubquery();
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@ -922,8 +938,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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break;
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case 'update':
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$this->type = self::UPDATE;
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$k = 'FROM';
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$k = 'from';
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case 'from':
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$this->parseQueryPart($k, $part);
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break;
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@ -1072,7 +1087,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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}
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}
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if ($loadFields) {
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$restoreState = false;
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// load fields if necessary
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if ($loadFields && empty($this->pendingFields)
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@ -1110,7 +1125,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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*/
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public function loadRoot($name, $componentAlias)
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{
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// get the connection for the component
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// get the connection for the component
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$this->_conn = Doctrine_Manager::getInstance()
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->getConnectionForComponent($name);
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@ -1132,11 +1147,11 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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return $table;
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}
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/**
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* count
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* fetches the count of the query
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*
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* This method executes the main query without all the
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/**
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* count
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* fetches the count of the query
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*
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* This method executes the main query without all the
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* selected fields, ORDER BY part, LIMIT part and OFFSET part.
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*
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* Example:
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@ -1151,19 +1166,22 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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* WHERE p.phonenumber = '123 123'
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*
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* @param array $params an array of prepared statement parameters
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* @return integer the count of this query
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* @return integer the count of this query
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*/
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public function count($params = array())
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public function count($params = array())
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{
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// initialize temporary variables
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$where = $this->parts['where'];
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$having = $this->parts['having'];
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$map = reset($this->_aliasMap);
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$componentAlias = key($this->_aliasMap);
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$table = $map['table'];
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$this->getQuery();
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// initialize temporary variables
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$where = $this->parts['where'];
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$having = $this->parts['having'];
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$map = reset($this->_aliasMap);
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$componentAlias = key($this->_aliasMap);
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$table = $map['table'];
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// build the query base
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$q = 'SELECT COUNT(DISTINCT ' . $this->getTableAlias($componentAlias)
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$q = 'SELECT COUNT(DISTINCT ' . $this->getTableAlias($componentAlias)
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. '.' . $table->getIdentifier()
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. ') FROM ' . $this->buildFromPart();
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@ -1175,7 +1193,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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}
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// append conditions
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$q .= ( ! empty($where)) ? ' WHERE ' . implode(' AND ', $where) : '';
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$q .= ( ! empty($having)) ? ' HAVING ' . implode(' AND ', $having): '';
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$q .= ( ! empty($having)) ? ' HAVING ' . implode(' AND ', $having): '';
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if ( ! is_array($params)) {
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$params = array($params);
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@ -1183,8 +1201,8 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
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// append parameters
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$params = array_merge($this->_params, $params);
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return (int) $this->getConnection()->fetchOne($q, $params);
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}
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return (int) $this->getConnection()->fetchOne($q, $params);
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}
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/**
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* query
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