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zYne 2007-05-29 17:51:57 +00:00
parent e448bcb889
commit f4462041f8
1 changed files with 5 additions and 202 deletions
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207
draft/new-core/Hydrate.php
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@ -647,7 +647,7 @@ class Doctrine_Hydrate implements Serializable
if ($cached === null) {
// cache miss
$stmt = $this->_execute($params, $return);
$array = $this->parseData($stmt);
$array = $this->parseData2($stmt);
$cached = $this->getCachedForm($array);
@ -675,127 +675,10 @@ class Doctrine_Hydrate implements Serializable
}
} else {
$stmt = $this->_execute($params, $return);
//if ($return === Doctrine::FETCH_ARRAY) {
return $this->parseData2($stmt, $return);
/**
} else {
$array = $this->parseData($stmt);
}
*/
$array = $this->parseData2($stmt, $return);
}
if (empty($this->_aliasMap)) {
throw new Doctrine_Hydrate_Exception("Couldn't execute query. Component alias map was empty.");
}
// initialize some variables used within the main loop
reset($this->_aliasMap);
$rootMap = current($this->_aliasMap);
$rootAlias = key($this->_aliasMap);
$coll = new Doctrine_Collection($rootMap['table']);
$prev[$rootAlias] = $coll;
// we keep track of all the collections
$colls = array();
$colls[] = $coll;
$prevRow = array();
/**
* iterate over the fetched data
* here $data is a two dimensional array
*/
foreach ($array as $data) {
/**
* remove duplicated data rows and map data into objects
*/
foreach ($data as $tableAlias => $row) {
// skip empty rows (not mappable)
if (empty($row)) {
continue;
}
$alias = $this->getComponentAlias($tableAlias);
$map = $this->_aliasMap[$alias];
// initialize previous row array if not set
if ( ! isset($prevRow[$tableAlias])) {
$prevRow[$tableAlias] = array();
}
// don't map duplicate rows
if ($prevRow[$tableAlias] !== $row) {
$identifiable = $this->isIdentifiable($row, $map['table']->getIdentifier());
if ($identifiable) {
// set internal data
$map['table']->setData($row);
}
// initialize a new record
$record = $map['table']->getRecord();
// map aggregate values (if any)
if($this->mapAggregateValues($record, $row, $alias)) {
$identifiable = true;
}
if ($alias == $rootAlias) {
// add record into root collection
if ($identifiable) {
$coll->add($record);
unset($prevRow);
}
} else {
$relation = $map['relation'];
$parentAlias = $map['parent'];
$parentMap = $this->_aliasMap[$parentAlias];
$parent = $prev[$parentAlias]->getLast();
// check the type of the relation
if ($relation->isOneToOne()) {
if ( ! $identifiable) {
continue;
}
$prev[$alias] = $record;
} else {
// one-to-many relation or many-to-many relation
if ( ! $prev[$parentAlias]->getLast()->hasReference($relation->getAlias())) {
// initialize a new collection
$prev[$alias] = new Doctrine_Collection($map['table']);
$prev[$alias]->setReference($parent, $relation);
} else {
// previous entry found from memory
$prev[$alias] = $prev[$parentAlias]->getLast()->get($relation->getAlias());
}
$colls[] = $prev[$alias];
// add record to the current collection
if ($identifiable) {
$prev[$alias]->add($record);
}
}
// initialize the relation from parent to the current collection/record
$parent->set($relation->getAlias(), $prev[$alias]);
}
// following statement is needed to ensure that mappings
// are being done properly when the result set doesn't
// contain the rows in 'right order'
if ($prev[$alias] !== $record) {
$prev[$alias] = $record;
}
}
$prevRow[$tableAlias] = $row;
}
}
// take snapshots from all initialized collections
foreach(array_unique($colls) as $c) {
$c->takeSnapshot();
}
return $coll;
return $array;
}
/**
* isIdentifiable
@ -1040,36 +923,6 @@ class Doctrine_Hydrate implements Serializable
$stmt->closeCursor();
return $array;
}
/**
* parseData
* parses the data returned by statement object
*
* @param mixed $stmt
* @return array
*/
public function parseData($stmt)
{
$array = array();
$cache = array();
while ($data = $stmt->fetch(PDO::FETCH_ASSOC)) {
foreach ($data as $key => $value) {
if ( ! isset($cache[$key])) {
$e = explode('__', $key);
$cache[$key]['field'] = strtolower(array_pop($e));
$cache[$key]['component'] = strtolower(implode('__', $e));
}
$data[$cache[$key]['component']][$cache[$key]['field']] = $value;
unset($data[$key]);
}
$array[] = $data;
}
$stmt->closeCursor();
return $array;
}
/**
* @return string returns a string representation of this object
*/
@ -1077,54 +930,4 @@ class Doctrine_Hydrate implements Serializable
{
return Doctrine_Lib::formatSql($this->getQuery());
}
}
class Doctrine_Hydrate_Array
{
public function getElementCollection($component)
{
return array();
}
public function getElement(array $data, $component)
{
return $data;
}
public function flush()
{
}
}
class Doctrine_Hydrate_Record
{
protected $_collections = array();
protected $_records = array();
public function getElementCollection($component)
{
$coll = new Doctrine_Collection($component);
$this->_collections[] = $coll;
return $coll;
}
public function getElement(array $data, $component)
{
$record = new $component();
$record->hydrate($data);
$this->_records[] = $record;
return $record;
}
public function flush()
{
// take snapshots from all initialized collections
foreach (array_unique($this->_collections) as $c) {
$c->takeSnapshot();
}
foreach ($this->_records as $record) {
$record->state(Doctrine_Record::STATE_CLEAN);
}
}
}
}