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DQL-to-SQL lazy conversion

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This commit is contained in:
zYne 2007-06-18 22:30:15 +00:00
parent 4346c9f818
commit a770f83d45
1 changed files with 79 additions and 61 deletions
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58
lib/Doctrine/Query.php
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@ -71,7 +71,6 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
*/
protected $_dqlParts = array(
'select' => array(),
'distinct' => false,
'forUpdate' => false,
'from' => array(),
'set' => array(),
@ -99,6 +98,17 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
{
return new Doctrine_Query($conn);
}
public function reset()
{
$this->_enumParams = array();
$this->_pendingJoinConditions = array();
$this->pendingSubqueries = array();
$this->pendingFields = array();
$this->_neededTables = array();
$this->subqueryAliases = array();
$this->needsSubquery = false;
$this->isLimitSubqueryUsed = false;
}
/**
* setOption
*
@ -266,20 +276,6 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
$this->_dqlParts[$queryPartName] = array($queryPart);
}
// check for cache
if ( ! $this->_options['resultSetCache']) {
$parser = $this->getParser($queryPartName);
$sql = $parser->parse($queryPart);
if (isset($sql)) {
if ($append) {
$this->addQueryPart($queryPartName, $sql);
} else {
$this->setQueryPart($queryPartName, $sql);
}
}
}
return $this;
}
@ -639,16 +635,36 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
public function getQuery($params = array())
{
// check if parser cache is on
if ($this->_cache) {
$this->_aliasMap = array();
$this->pendingAggregates = array();
$this->aggregateMap = array();
$this->reset();
foreach ($this->_dqlParts as $queryPartName => $queryParts) {
$this->parts[$queryPartName] = array();
if (is_array($queryParts) && ! empty($queryParts)) {
foreach ($queryParts as $queryPart) {
$this->getParser($queryPartName)->parse($queryPart);
$parser = $this->getParser($queryPartName);
$sql = $parser->parse($queryPart);
if (isset($sql)) {
if ($queryPartName == 'limit' ||
$queryPartName == 'offset') {
$this->setQueryPart($queryPartName, $sql);
} else {
$this->addQueryPart($queryPartName, $sql);
}
}
}
}
}
if (empty($this->parts['from'])) {
return false;
}
@ -687,7 +703,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
$modifyLimit = true;
if ( ! empty($this->parts["limit"]) || ! empty($this->parts["offset"])) {
if ( ! empty($this->parts['limit']) || ! empty($this->parts['offset'])) {
if ($needsSubQuery) {
$subquery = $this->getLimitSubquery();
@ -922,8 +938,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
break;
case 'update':
$this->type = self::UPDATE;
$k = 'FROM';
$k = 'from';
case 'from':
$this->parseQueryPart($k, $part);
break;
@ -1155,6 +1170,8 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
*/
public function count($params = array())
{
$this->getQuery();
// initialize temporary variables
$where = $this->parts['where'];
$having = $this->parts['having'];
@ -1162,6 +1179,7 @@ class Doctrine_Query extends Doctrine_Query_Abstract implements Countable
$componentAlias = key($this->_aliasMap);
$table = $map['table'];
// build the query base
$q = 'SELECT COUNT(DISTINCT ' . $this->getTableAlias($componentAlias)
. '.' . $table->getIdentifier()