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doctrine-dbal
Commit 12788a48 authored by zYne's avatar zYne
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draft/new-core/Hydrate.php
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<?php
/*
* $Id: Hydrate.php 1504 2007-05-28 19:03:57Z zYne $
* $Id: Hydrate.php 1564 2007-06-02 20:33:41Z romanb $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
......@@ -29,7 +29,7 @@
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision: 1504 $
* @version $Revision: 1564 $
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_Hydrate implements Serializable
......@@ -578,10 +578,16 @@ class Doctrine_Hydrate implements Serializable
foreach ($row as $index => $value) {
$agg = false;
if (isset($this->_aliasMap[$alias]['agg'][$index])) {
$agg = $this->_aliasMap[$alias]['agg'][$index];
}
if (is_array($record)) {
$record[$agg] = $value;
} else {
$record->mapValue($agg, $value);
}
$found = true;
}
}
......@@ -760,6 +766,12 @@ class Doctrine_Hydrate implements Serializable
* parseData
* parses the data returned by statement object
*
* This is method defines the core of Doctrine object population algorithm
* hence this method strives to be as fast as possible
*
* The key idea is the loop over the rowset only once doing all the needed operations
* within this massive loop.
*
* @param mixed $stmt
* @return array
*/
......@@ -782,9 +794,11 @@ class Doctrine_Hydrate implements Serializable
}
$array = $driver->getElementCollection($componentName);
$identifiable = array();
while ($data = $stmt->fetch(PDO::FETCH_ASSOC)) {
$parse = true;
foreach ($data as $key => $value) {
if ( ! isset($cache[$key])) {
$e = explode('__', $key);
......@@ -802,7 +816,6 @@ class Doctrine_Hydrate implements Serializable
}
$tmp = array();
$alias = $cache[$key]['alias'];
$component = $cache[$key]['component'];
$componentName = $this->_aliasMap[$cache[$key]['alias']]['table']->getComponentName();
......@@ -812,75 +825,160 @@ class Doctrine_Hydrate implements Serializable
if ( ! isset($currData[$alias])) {
$currData[$alias] = array();
}
if ( ! isset($prevData[$alias])) {
$prevData[$alias] = array();
}
if ( ! isset($prevElement[$alias])) {
$prevElement[$alias] = array();
}
if ( ! isset($prev[$alias])) {
$prev[$alias] = array();
}
if ($alias !== $lastAlias || $parse) {
$skip = false;
if (($alias !== $lastAlias || $parse) && ! empty($currData[$alias])) {
// component changed
if ( ! isset($prevData[$alias]) || (isset($currData[$alias]) && $currData[$alias] !== $prevData[$alias])) {
if ( ! empty($currData[$alias]) && $driver->isIdentifiable($currData[$alias], $table)) {
$element = $driver->getElement($currData[$alias], $componentName);
// map aggregate values (if any)
$this->mapAggregateValues($element, $currData[$alias], $alias);
if ($currData[$alias] !== $prevData[$alias] || $element !== $prevElement[$alias]) {
if ($alias === $rootAlias) {
// dealing with root component
$array[$index] = $driver->getElement($currData[$alias], $componentName);
$prev[$alias] =& $array[$index];
$index = $driver->search($element, $array);
if ($index === false) {
$array[] = $element;
}
$index++;
$coll =& $array;
} else {
$parent = $cache[$key]['parent'];
$relation = $this->_aliasMap[$cache[$key]['alias']]['relation'];
// check the type of the relation
if ( ! $relation->isOneToOne()) {
// initialize the collection
$driver->initRelated($prev[$parent], $component);
$prev[$parent][$component][] = $driver->getElement($currData[$alias], $componentName);
// append element
if (isset($identifiable[$alias])) {
$index = $driver->search($element, $prev[$parent][$component]);
if ($index === false) {
$prev[$parent][$component][] = $element;
}
}
// register collection for later snapshots
$driver->registerCollection($prev[$parent][$component]);
} else {
$prev[$parent][$component] = $driver->getElement($currData[$alias], $componentName);
$prev[$parent][$component] = $element;
}
$coll =& $prev[$parent][$component];
}
if ($index !== false) {
$prev[$alias] =& $coll[$index];
} else {
// first check the count (we do not want to get the last element
// of an empty collection/array)
if (count($coll) > 0) {
// check the type
if (is_array($coll)) {
end($coll);
$prev[$alias] =& $coll[key($coll)];
} else {
$prev[$alias] = $coll->getLast();
}
}
}
if (isset($currData[$alias])) {
$prevData[$alias] = $currData[$alias];
} else {
$prevData[$alias] = array();
}
$currData[$alias] = array();
$identifiable[$alias] = null;
}
$prevElement[$alias] =& $element;
}
}
$field = $cache[$key]['field'];
$currData[$alias][$field] = $value;
if ($value !== null) {
$identifiable[$alias] = true;
}
$lastAlias = $alias;
$parse = false;
}
}
$identifiable = array();
foreach ($currData as $alias => $data) {
$componentName = $this->_aliasMap[$alias]['table']->getComponentName();
if ( ! isset($prevData[$alias]) || (isset($currData[$alias]) && $currData[$alias] !== $prevData[$alias])) {
if ( ! empty($currData[$alias]) && $driver->isIdentifiable($currData[$alias], $table)) {
$table = $this->_aliasMap[$alias]['table'];
$componentName = $table->getComponentName();
// component changed
$element = $driver->getElement($currData[$alias], $componentName);
// map aggregate values (if any)
$this->mapAggregateValues($element, $currData[$alias], $alias);
if ( ! isset($prevData[$alias]) || (isset($currData[$alias]) && $currData[$alias] !== $prevData[$alias])
|| $element !== $prevElement[$alias]) {
if ($alias === $rootAlias) {
// dealing with root component
$array[$index] = $driver->getElement($currData[$alias], $componentName);
$prev[$alias] =& $array[$index];
$index++;
$index = $driver->search($element, $array);
if ($index === false) {
$array[] = $element;
}
$coll =& $array;
} else {
$parent = $this->_aliasMap[$alias]['parent'];
$relation = $this->_aliasMap[$alias]['relation'];
$componentAlias = $relation->getAlias();
// check the type of the relation
if ( ! $relation->isOneToOne()) {
$prev[$parent][$component][] = $driver->getElement($currData[$alias], $componentName);
$driver->registerCollection($prev[$parent][$component]);
// initialize the collection
$driver->initRelated($prev[$parent], $componentAlias);
// append element
if (isset($identifiable[$alias])) {
$index = $driver->search($element, $prev[$parent][$component]);
if ($index === false) {
$prev[$parent][$componentAlias][] = $element;
}
}
// register collection for later snapshots
$driver->registerCollection($prev[$parent][$componentAlias]);
} else {
$prev[$parent][$component] = $driver->getElement($currData[$alias], $componentName);
$prev[$parent][$componentAlias] = $element;
}
$coll =& $prev[$parent][$componentAlias];
}
if ($index !== false) {
$prev[$alias] =& $coll[$index];
} else {
// first check the count (we do not want to get the last element
// of an empty collection/array)
if (count($coll) > 0) {
if (is_array($coll)) {
end($coll);
$prev[$alias] =& $coll[key($coll)];
} else {
$prev[$alias] = $coll->getLast();
}
}
}
......@@ -891,6 +989,9 @@ class Doctrine_Hydrate implements Serializable
$prevData[$alias] = array();
}
$currData[$alias] = array();
unset($identifiable[$alias]);
$prevElement[$alias] = $element;
}
$driver->flush();
......
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