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refactoring AR.

tags/2.0.0-beta
Qiang Xue 12 years ago
parent
78348d78f3
commit
23572c74cd
4 changed files with 241 additions and 183 deletions
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  1. 7
      framework/db/ar/ActiveQuery.php
  2. 39
      framework/db/ar/ActiveQueryBuilder.php
  3. 131
      framework/db/ar/ActiveRelation.php
  4. 245
      tests/unit/framework/db/ar/ActiveRecordTest.php

7
framework/db/ar/ActiveQuery.php
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@ -232,14 +232,7 @@ class ActiveQuery extends BaseQuery
// inherit asArray from primary query
$relation->asArray = $this->asArray;
}
if ($relation->via !== null) {
$viaName = $relation->via;
$viaQuery = $primaryModel->$viaName();
$viaQuery->primaryModel = null;
$relation->findWith($name, $models, $viaQuery);
} else {
$relation->findWith($name, $models);
}
}
}
}

39
framework/db/ar/ActiveQueryBuilder.php
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@ -1,39 +0,0 @@
<?php
/**
* ActiveQueryBuilder class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\db\ar;
/**
* ActiveQueryBuilder is ...
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class ActiveQueryBuilder extends \yii\base\Object
{
/**
* @var \yii\db\dao\QueryBuilder
*/
public $queryBuilder;
/**
* @var ActiveQuery
*/
public $query;
public function __construct($query, $config = array())
{
$this->query = $query;
parent::__construct($config);
}
public function build()
{
}
}

131
framework/db/ar/ActiveRelation.php
Unescape View File

@ -10,6 +10,10 @@
namespace yii\db\ar;
use yii\db\dao\Connection;
use yii\db\dao\Command;
use yii\db\dao\QueryBuilder;
/**
* It is used in three scenarios:
* - eager loading: User::find()->with('posts')->all();
@ -22,50 +26,90 @@ namespace yii\db\ar;
class ActiveRelation extends ActiveQuery
{
/**
* @var ActiveRecord the primary model that this relation is associated with.
* This is used only in lazy loading with dynamic query options.
*/
public $primaryModel;
/**
* @var boolean whether this relation should populate all query results into AR instances.
* If false, only the first row of the results will be taken.
*/
public $multiple;
/**
* @var ActiveRecord the primary model that this relation is associated with.
* This is used only in lazy loading with dynamic query options.
*/
protected $primaryModel;
/**
* @var array the columns of the primary and foreign tables that establish the relation.
* The array keys must be columns of the table for this relation, and the array values
* must be the corresponding columns from the primary table.
* Do not prefix or quote the column names as they will be done automatically by Yii.
*/
public $link;
protected $link;
/**
* @var array
* @var array|ActiveRelation
*/
public $via;
protected $via;
/**
* @var array
* @param string $relationName
* @param array|\Closure $options
* @return ActiveRelation
*/
public $viaTable;
public function via($modelClass, $properties = array())
public function via($relationName, $options = null)
{
$this->via = $modelClass;
/** @var $relation ActiveRelation */
$relation = $this->primaryModel->$relationName();
$relation->primaryModel = null;
$this->via = array($relationName, $relation);
if (is_array($options)) {
foreach ($options as $name => $value) {
$this->$name = $value;
}
} elseif ($options instanceof \Closure) {
$options($relation);
}
return $this;
}
public function viaTable($tableName, $link, $properties = array())
/**
* @param string $tableName
* @param array $link
* @param array|\Closure $options
* @return ActiveRelation
*/
public function viaTable($tableName, $link, $options = null)
{
$this->viaTable = array($tableName, $link, $properties);
$relation = new ActiveRelation(array(
'modelClass' => get_class($this->primaryModel),
'from' => array($tableName),
'link' => $link,
'multiple' => true,
'asArray' => true,
));
$this->via = $relation;
if (is_array($options)) {
foreach ($options as $name => $value) {
$this->$name = $value;
}
} elseif ($options instanceof \Closure) {
$options($relation);
}
return $this;
}
/**
* Creates a DB command that can be used to execute this query.
* @return Command the created DB command instance.
*/
public function createCommand()
{
if ($this->primaryModel !== null) {
if ($this->via !== null) {
/** @var $viaQuery ActiveRelation */
$viaName = $this->via;
$viaModels = $this->primaryModel->$viaName;
// lazy loading
if ($this->via instanceof self) {
// via pivot table
$viaModels = $this->via->findPivotRows(array($this->primaryModel));
$this->filterByModels($viaModels);
} elseif (is_array($this->via)) {
// via relation
$relationName = $this->via[0];
$viaModels = $this->primaryModel->$relationName;
if ($viaModels === null) {
$viaModels = array();
} elseif (!is_array($viaModels)) {
@ -79,14 +123,23 @@ class ActiveRelation extends ActiveQuery
return parent::createCommand();
}
public function findWith($name, &$primaryModels, $viaQuery = null)
public function findWith($name, &$primaryModels)
{
if (!is_array($this->link)) {
throw new \yii\base\Exception('invalid link');
}
if ($viaQuery !== null) {
$viaModels = $viaQuery->findWith($this->via, $primaryModels);
if ($this->via instanceof self) {
// via pivot table
/** @var $viaQuery ActiveRelation */
$viaQuery = $this->via;
$viaModels = $viaQuery->findPivotRows($primaryModels);
$this->filterByModels($viaModels);
} elseif (is_array($this->via)) {
// via relation
/** @var $viaQuery ActiveRelation */
list($viaName, $viaQuery) = $this->via;
$viaModels = $viaQuery->findWith($viaName, $primaryModels);
$this->filterByModels($viaModels);
} else {
$this->filterByModels($primaryModels);
@ -106,12 +159,9 @@ class ActiveRelation extends ActiveQuery
$buckets = $this->buildBuckets($models, $this->link);
}
$link = array_values(isset($viaQuery) ? $viaQuery->link : $this->link);
foreach ($primaryModels as $i => $primaryModel) {
if (isset($viaQuery)) {
$key = $this->getModelKey($primaryModel, array_values($viaQuery->link));
} else {
$key = $this->getModelKey($primaryModel, array_values($this->link));
}
$key = $this->getModelKey($primaryModel, $link);
if (isset($buckets[$key])) {
$primaryModels[$i][$name] = $buckets[$key];
} else {
@ -125,8 +175,9 @@ class ActiveRelation extends ActiveQuery
protected function buildBuckets($models, $link, $viaModels = null, $viaLink = null)
{
$buckets = array();
$linkKeys = array_keys($link);
foreach ($models as $i => $model) {
$key = $this->getModelKey($model, array_keys($link));
$key = $this->getModelKey($model, $linkKeys);
if ($this->index !== null) {
$buckets[$key][$i] = $model;
} else {
@ -136,9 +187,11 @@ class ActiveRelation extends ActiveQuery
if ($viaModels !== null) {
$viaBuckets = array();
$viaLinkKeys = array_keys($viaLink);
$linkValues = array_values($link);
foreach ($viaModels as $viaModel) {
$key1 = $this->getModelKey($viaModel, array_keys($viaLink));
$key2 = $this->getModelKey($viaModel, array_values($link));
$key1 = $this->getModelKey($viaModel, $viaLinkKeys);
$key2 = $this->getModelKey($viaModel, $linkValues);
if (isset($buckets[$key2])) {
foreach ($buckets[$key2] as $i => $bucket) {
if ($this->index !== null) {
@ -194,7 +247,23 @@ class ActiveRelation extends ActiveQuery
$values[] = $v;
}
}
$this->andWhere(array('in', $attributes, $values));
$this->andWhere(array('in', $attributes, array_unique($values, SORT_REGULAR)));
}
/**
* @param ActiveRecord[] $primaryModels
* @return array
*/
protected function findPivotRows($primaryModels)
{
if (empty($primaryModels)) {
return array();
}
$this->filterByModels($primaryModels);
/** @var $primaryModel ActiveRecord */
$primaryModel = reset($primaryModels);
$db = $primaryModel->getDbConnection();
$sql = $db->getQueryBuilder()->build($this);
return $db->createCommand($sql, $this->params)->queryAll();
}
}

245
tests/unit/framework/db/ar/ActiveRecordTest.php
Unescape View File

@ -16,112 +16,112 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
ActiveRecord::$db = $this->getConnection();
}
// public function testFind()
// {
// // find one
// $result = Customer::find();
// $this->assertTrue($result instanceof ActiveQuery);
// $customer = $result->one();
// $this->assertTrue($customer instanceof Customer);
//
// // find all
// $result = Customer::find();
// $customers = $result->all();
// $this->assertEquals(3, count($customers));
// $this->assertTrue($customers[0] instanceof Customer);
// $this->assertTrue($customers[1] instanceof Customer);
// $this->assertTrue($customers[2] instanceof Customer);
//
// // find by a single primary key
// $customer = Customer::find(2);
// $this->assertTrue($customer instanceof Customer);
// $this->assertEquals('user2', $customer->name);
//
// // find by attributes
// $customer = Customer::find()->where(array('name' => 'user2'))->one();
// $this->assertTrue($customer instanceof Customer);
// $this->assertEquals(2, $customer->id);
//
// // find by Query array
// $query = array(
// 'where' => 'id=:id',
// 'params' => array(':id' => 2),
// );
// $customer = Customer::find($query)->one();
// $this->assertTrue($customer instanceof Customer);
// $this->assertEquals('user2', $customer->name);
//
// // find count
// $this->assertEquals(3, Customer::count()->value());
// $this->assertEquals(2, Customer::count(array(
// 'where' => 'id=1 OR id=2',
// ))->value());
// $this->assertEquals(2, Customer::find()->select('COUNT(*)')->where('id=1 OR id=2')->value());
// }
//
// public function testFindBySql()
// {
// // find one
// $customer = Customer::findBySql('SELECT * FROM tbl_customer ORDER BY id DESC')->one();
// $this->assertTrue($customer instanceof Customer);
// $this->assertEquals('user3', $customer->name);
//
// // find all
// $customers = Customer::findBySql('SELECT * FROM tbl_customer')->all();
// $this->assertEquals(3, count($customers));
//
// // find with parameter binding
// $customer = Customer::findBySql('SELECT * FROM tbl_customer WHERE id=:id', array(':id' => 2))->one();
// $this->assertTrue($customer instanceof Customer);
// $this->assertEquals('user2', $customer->name);
// }
//
// public function testScope()
// {
// $customers = Customer::find(array(
// 'scopes' => array('active'),
// ))->all();
// $this->assertEquals(2, count($customers));
//
// $customers = Customer::find()->active()->all();
// $this->assertEquals(2, count($customers));
// }
//
// public function testFindLazy()
// {
// /** @var $customer Customer */
// $customer = Customer::find(2);
// $orders = $customer->orders;
// $this->assertEquals(2, count($orders));
//
// $orders = $customer->orders()->where('id=3')->all();
// $this->assertEquals(1, count($orders));
// $this->assertEquals(3, $orders[0]->id);
// }
//
// public function testFindEager()
// {
// $customers = Customer::find()->with('orders')->all();
// $this->assertEquals(3, count($customers));
// $this->assertEquals(1, count($customers[0]->orders));
// $this->assertEquals(2, count($customers[1]->orders));
// }
//
// public function testFindLazyVia()
// {
// /** @var $order Order */
// $order = Order::find(1);
// $this->assertEquals(1, $order->id);
// $this->assertEquals(2, count($order->items));
// $this->assertEquals(1, $order->items[0]->id);
// $this->assertEquals(2, $order->items[1]->id);
//
// $order = Order::find(1);
// $order->id = 100;
// $this->assertEquals(array(), $order->items);
// }
public function testFind()
{
// find one
$result = Customer::find();
$this->assertTrue($result instanceof ActiveQuery);
$customer = $result->one();
$this->assertTrue($customer instanceof Customer);
// find all
$result = Customer::find();
$customers = $result->all();
$this->assertEquals(3, count($customers));
$this->assertTrue($customers[0] instanceof Customer);
$this->assertTrue($customers[1] instanceof Customer);
$this->assertTrue($customers[2] instanceof Customer);
// find by a single primary key
$customer = Customer::find(2);
$this->assertTrue($customer instanceof Customer);
$this->assertEquals('user2', $customer->name);
// find by attributes
$customer = Customer::find()->where(array('name' => 'user2'))->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals(2, $customer->id);
// find by Query array
$query = array(
'where' => 'id=:id',
'params' => array(':id' => 2),
);
$customer = Customer::find($query)->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals('user2', $customer->name);
// find count
$this->assertEquals(3, Customer::count()->value());
$this->assertEquals(2, Customer::count(array(
'where' => 'id=1 OR id=2',
))->value());
$this->assertEquals(2, Customer::find()->select('COUNT(*)')->where('id=1 OR id=2')->value());
}
public function testFindEagerVia()
public function testFindBySql()
{
// find one
$customer = Customer::findBySql('SELECT * FROM tbl_customer ORDER BY id DESC')->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals('user3', $customer->name);
// find all
$customers = Customer::findBySql('SELECT * FROM tbl_customer')->all();
$this->assertEquals(3, count($customers));
// find with parameter binding
$customer = Customer::findBySql('SELECT * FROM tbl_customer WHERE id=:id', array(':id' => 2))->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals('user2', $customer->name);
}
public function testScope()
{
$customers = Customer::find(array(
'scopes' => array('active'),
))->all();
$this->assertEquals(2, count($customers));
$customers = Customer::find()->active()->all();
$this->assertEquals(2, count($customers));
}
public function testFindLazy()
{
/** @var $customer Customer */
$customer = Customer::find(2);
$orders = $customer->orders;
$this->assertEquals(2, count($orders));
$orders = $customer->orders()->where('id=3')->all();
$this->assertEquals(1, count($orders));
$this->assertEquals(3, $orders[0]->id);
}
public function testFindEager()
{
$customers = Customer::find()->with('orders')->all();
$this->assertEquals(3, count($customers));
$this->assertEquals(1, count($customers[0]->orders));
$this->assertEquals(2, count($customers[1]->orders));
}
public function testFindLazyVia()
{
/** @var $order Order */
$order = Order::find(1);
$this->assertEquals(1, $order->id);
$this->assertEquals(2, count($order->items));
$this->assertEquals(1, $order->items[0]->id);
$this->assertEquals(2, $order->items[1]->id);
$order = Order::find(1);
$order->id = 100;
$this->assertEquals(array(), $order->items);
}
public function testFindEagerViaRelation()
{
$orders = Order::find()->with('items')->orderBy('id')->all();
$this->assertEquals(3, count($orders));
@ -132,6 +132,41 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
$this->assertEquals(2, $order->items[1]->id);
}
public function testFindLazyViaTable()
{
/** @var $order Order */
$order = Order::find(1);
$this->assertEquals(1, $order->id);
$this->assertEquals(2, count($order->books));
$this->assertEquals(1, $order->items[0]->id);
$this->assertEquals(2, $order->items[1]->id);
$order = Order::find(2);
$this->assertEquals(2, $order->id);
$this->assertEquals(0, count($order->books));
}
public function testFindEagerViaTable()
{
$orders = Order::find()->with('books')->orderBy('id')->all();
$this->assertEquals(3, count($orders));
$order = $orders[0];
$this->assertEquals(1, $order->id);
$this->assertEquals(2, count($order->books));
$this->assertEquals(1, $order->books[0]->id);
$this->assertEquals(2, $order->books[1]->id);
$order = $orders[1];
$this->assertEquals(2, $order->id);
$this->assertEquals(0, count($order->books));
$order = $orders[2];
$this->assertEquals(3, $order->id);
$this->assertEquals(1, count($order->books));
$this->assertEquals(2, $order->books[0]->id);
}
// public function testInsert()
// {

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