Qiang Xue
12 years ago
20 changed files with 1172 additions and 587 deletions
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|
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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|
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namespace yii\ar; |
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use yii\db\QueryInterface; |
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|
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/** |
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* ActiveQueryInterface defines the common interface to be implemented by active record query classes. |
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* |
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* A class implementing this interface should also use [[ActiveQueryTrait]]. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Carsten Brandt <mail@cebe.cc> |
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* @since 2.0 |
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*/ |
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interface ActiveQueryInterface extends QueryInterface |
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{ |
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/** |
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* Sets the [[asArray]] property. |
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* @param boolean $value whether to return the query results in terms of arrays instead of Active Records. |
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* @return static the query object itself |
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*/ |
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public function asArray($value = true); |
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|
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/** |
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* Sets the [[indexBy]] property. |
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* @param string|callable $column the name of the column by which the query results should be indexed by. |
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* This can also be a callable (e.g. anonymous function) that returns the index value based on the given |
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* row or model data. The signature of the callable should be: |
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* |
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* ~~~ |
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* // $model is an AR instance when `asArray` is false, |
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* // or an array of column values when `asArray` is true. |
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* function ($model) |
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* { |
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* // return the index value corresponding to $model |
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* } |
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* ~~~ |
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* |
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* @return static the query object itself |
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*/ |
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public function indexBy($column); |
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/** |
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* Specifies the relations with which this query should be performed. |
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* |
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* The parameters to this method can be either one or multiple strings, or a single array |
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* of relation names and the optional callbacks to customize the relations. |
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* |
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* A relation name can refer to a relation defined in [[modelClass]] |
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* or a sub-relation that stands for a relation of a related record. |
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* For example, `orders.address` means the `address` relation defined |
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* in the model class corresponding to the `orders` relation. |
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* |
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* The followings are some usage examples: |
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* |
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* ~~~ |
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* // find customers together with their orders and country |
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* Customer::find()->with('orders', 'country')->all(); |
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* // find customers together with their orders and the orders' shipping address |
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* Customer::find()->with('orders.address')->all(); |
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* // find customers together with their country and orders of status 1 |
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* Customer::find()->with([ |
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* 'orders' => function($query) { |
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* $query->andWhere('status = 1'); |
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* }, |
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* 'country', |
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* ])->all(); |
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* ~~~ |
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* |
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* @return static the query object itself |
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*/ |
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public function with(); |
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} |
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@ -0,0 +1,201 @@
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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|
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namespace yii\ar; |
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use yii\db\ActiveRecord; |
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/** |
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* ActiveQueryTrait implements the common methods and properties for active record query classes. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Carsten Brandt <mail@cebe.cc> |
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* @since 2.0 |
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*/ |
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trait ActiveQueryTrait |
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{ |
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/** |
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* @var string the name of the ActiveRecord class. |
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*/ |
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public $modelClass; |
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/** |
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* @var array list of relations that this query should be performed with |
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*/ |
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public $with; |
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/** |
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* @var boolean whether to return each record as an array. If false (default), an object |
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* of [[modelClass]] will be created to represent each record. |
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*/ |
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public $asArray; |
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|
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|
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/** |
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* PHP magic method. |
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* This method allows calling static method defined in [[modelClass]] via this query object. |
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* It is mainly implemented for supporting the feature of scope. |
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* @param string $name the method name to be called |
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* @param array $params the parameters passed to the method |
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* @return mixed the method return result |
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*/ |
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public function __call($name, $params) |
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{ |
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if (method_exists($this->modelClass, $name)) { |
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array_unshift($params, $this); |
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call_user_func_array([$this->modelClass, $name], $params); |
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return $this; |
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} else { |
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return parent::__call($name, $params); |
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} |
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} |
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|
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/** |
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* Sets the [[asArray]] property. |
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* @param boolean $value whether to return the query results in terms of arrays instead of Active Records. |
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* @return static the query object itself |
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*/ |
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public function asArray($value = true) |
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{ |
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$this->asArray = $value; |
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return $this; |
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} |
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|
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/** |
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* Specifies the relations with which this query should be performed. |
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* |
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* The parameters to this method can be either one or multiple strings, or a single array |
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* of relation names and the optional callbacks to customize the relations. |
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* |
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* A relation name can refer to a relation defined in [[modelClass]] |
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* or a sub-relation that stands for a relation of a related record. |
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* For example, `orders.address` means the `address` relation defined |
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* in the model class corresponding to the `orders` relation. |
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* |
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* The followings are some usage examples: |
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* |
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* ~~~ |
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* // find customers together with their orders and country |
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* Customer::find()->with('orders', 'country')->all(); |
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* // find customers together with their orders and the orders' shipping address |
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* Customer::find()->with('orders.address')->all(); |
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* // find customers together with their country and orders of status 1 |
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* Customer::find()->with([ |
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* 'orders' => function($query) { |
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* $query->andWhere('status = 1'); |
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* }, |
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* 'country', |
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* ])->all(); |
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* ~~~ |
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* |
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* @return static the query object itself |
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*/ |
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public function with() |
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{ |
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$this->with = func_get_args(); |
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if (isset($this->with[0]) && is_array($this->with[0])) { |
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// the parameter is given as an array |
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$this->with = $this->with[0]; |
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} |
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return $this; |
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} |
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|
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/** |
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* Converts found rows into model instances |
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* @param array $rows |
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* @return array|ActiveRecord[] |
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*/ |
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private function createModels($rows) |
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{ |
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$models = []; |
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if ($this->asArray) { |
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if ($this->indexBy === null) { |
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return $rows; |
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} |
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foreach ($rows as $row) { |
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if (is_string($this->indexBy)) { |
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$key = $row[$this->indexBy]; |
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} else { |
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$key = call_user_func($this->indexBy, $row); |
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} |
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$models[$key] = $row; |
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} |
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} else { |
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/** @var ActiveRecord $class */ |
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$class = $this->modelClass; |
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if ($this->indexBy === null) { |
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foreach ($rows as $row) { |
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$models[] = $class::create($row); |
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} |
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} else { |
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foreach ($rows as $row) { |
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$model = $class::create($row); |
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if (is_string($this->indexBy)) { |
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$key = $model->{$this->indexBy}; |
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} else { |
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$key = call_user_func($this->indexBy, $model); |
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} |
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$models[$key] = $model; |
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} |
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} |
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} |
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return $models; |
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} |
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/** |
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* @param ActiveRecord[] $models |
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* @param array $with |
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*/ |
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private function populateRelations(&$models, $with) |
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{ |
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$primaryModel = new $this->modelClass; |
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$relations = $this->normalizeRelations($primaryModel, $with); |
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foreach ($relations as $name => $relation) { |
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if ($relation->asArray === null) { |
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// inherit asArray from primary query |
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$relation->asArray = $this->asArray; |
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} |
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$relation->findWith($name, $models); |
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} |
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} |
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/** |
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* @param ActiveRecord $model |
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* @param array $with |
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* @return ActiveRelationInterface[] |
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*/ |
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private function normalizeRelations($model, $with) |
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{ |
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$relations = []; |
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foreach ($with as $name => $callback) { |
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if (is_integer($name)) { |
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$name = $callback; |
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$callback = null; |
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} |
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if (($pos = strpos($name, '.')) !== false) { |
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// with sub-relations |
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$childName = substr($name, $pos + 1); |
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$name = substr($name, 0, $pos); |
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} else { |
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$childName = null; |
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} |
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|
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if (!isset($relations[$name])) { |
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$relation = $model->getRelation($name); |
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$relation->primaryModel = null; |
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$relations[$name] = $relation; |
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} else { |
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$relation = $relations[$name]; |
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} |
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if (isset($childName)) { |
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$relation->with[$childName] = $callback; |
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} elseif ($callback !== null) { |
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call_user_func($callback, $relation); |
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} |
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} |
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return $relations; |
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} |
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} |
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@ -0,0 +1,29 @@
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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|
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namespace yii\ar; |
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|
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/** |
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* ActiveRelationInterface defines the common interface to be implemented by active record relation classes. |
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* |
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* A class implementing this interface should also use [[ActiveRelationTrait]]. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Carsten Brandt <mail@cebe.cc> |
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* @since 2.0 |
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*/ |
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interface ActiveRelationInterface extends ActiveQueryInterface |
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{ |
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/** |
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* Specifies the relation associated with the pivot table. |
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* @param string $relationName the relation name. This refers to a relation declared in [[primaryModel]]. |
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* @param callable $callable a PHP callback for customizing the relation associated with the pivot table. |
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* Its signature should be `function($query)`, where `$query` is the query to be customized. |
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* @return static the relation object itself. |
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*/ |
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public function via($relationName, $callable = null); |
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} |
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@ -0,0 +1,247 @@
|
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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|
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namespace yii\ar; |
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|
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use yii\base\InvalidConfigException; |
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use yii\db\ActiveRecord; |
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|
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/** |
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* ActiveRelationTrait implements the common methods and properties for active record relation classes. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Carsten Brandt <mail@cebe.cc> |
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* @since 2.0 |
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*/ |
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trait ActiveRelationTrait |
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{ |
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/** |
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* @var boolean whether this relation should populate all query results into AR instances. |
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* If false, only the first row of the results will be retrieved. |
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*/ |
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public $multiple; |
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/** |
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* @var ActiveRecord the primary model that this relation is associated with. |
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* This is used only in lazy loading with dynamic query options. |
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*/ |
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public $primaryModel; |
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/** |
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* @var array the columns of the primary and foreign tables that establish the relation. |
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* The array keys must be columns of the table for this relation, and the array values |
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* must be the corresponding columns from the primary table. |
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* Do not prefix or quote the column names as this will be done automatically by Yii. |
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*/ |
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public $link; |
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/** |
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* @var array the query associated with the pivot table. Please call [[via()]] |
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* to set this property instead of directly setting it. |
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*/ |
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public $via; |
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|
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/** |
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* Clones internal objects. |
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*/ |
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public function __clone() |
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{ |
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// make a clone of "via" object so that the same query object can be reused multiple times |
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if (is_object($this->via)) { |
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$this->via = clone $this->via; |
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} elseif (is_array($this->via)) { |
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$this->via = [$this->via[0], clone $this->via[1]]; |
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} |
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} |
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|
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/** |
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* Specifies the relation associated with the pivot table. |
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* @param string $relationName the relation name. This refers to a relation declared in [[primaryModel]]. |
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* @param callable $callable a PHP callback for customizing the relation associated with the pivot table. |
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* Its signature should be `function($query)`, where `$query` is the query to be customized. |
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* @return static the relation object itself. |
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*/ |
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public function via($relationName, $callable = null) |
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{ |
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$relation = $this->primaryModel->getRelation($relationName); |
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$this->via = [$relationName, $relation]; |
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if ($callable !== null) { |
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call_user_func($callable, $relation); |
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} |
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return $this; |
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} |
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|
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/** |
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* Finds the related records and populates them into the primary models. |
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* This method is internally used by [[ActiveQuery]]. Do not call it directly. |
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* @param string $name the relation name |
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* @param array $primaryModels primary models |
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* @return array the related models |
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* @throws InvalidConfigException |
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*/ |
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public function findWith($name, &$primaryModels) |
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{ |
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if (!is_array($this->link)) { |
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throw new InvalidConfigException('Invalid link: it must be an array of key-value pairs.'); |
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} |
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|
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if ($this->via instanceof self) { |
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// via pivot table |
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/** @var ActiveRelationTrait $viaQuery */ |
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$viaQuery = $this->via; |
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$viaModels = $viaQuery->findPivotRows($primaryModels); |
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$this->filterByModels($viaModels); |
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} elseif (is_array($this->via)) { |
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// via relation |
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/** @var ActiveRelationTrait $viaQuery */ |
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list($viaName, $viaQuery) = $this->via; |
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$viaQuery->primaryModel = null; |
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$viaModels = $viaQuery->findWith($viaName, $primaryModels); |
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$this->filterByModels($viaModels); |
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} else { |
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$this->filterByModels($primaryModels); |
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} |
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|
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if (count($primaryModels) === 1 && !$this->multiple) { |
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$model = $this->one(); |
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foreach ($primaryModels as $i => $primaryModel) { |
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if ($primaryModel instanceof ActiveRecord) { |
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$primaryModel->populateRelation($name, $model); |
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} else { |
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$primaryModels[$i][$name] = $model; |
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} |
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} |
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return [$model]; |
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} else { |
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$models = $this->all(); |
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if (isset($viaModels, $viaQuery)) { |
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$buckets = $this->buildBuckets($models, $this->link, $viaModels, $viaQuery->link); |
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} else { |
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$buckets = $this->buildBuckets($models, $this->link); |
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} |
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|
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$link = array_values(isset($viaQuery) ? $viaQuery->link : $this->link); |
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foreach ($primaryModels as $i => $primaryModel) { |
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$key = $this->getModelKey($primaryModel, $link); |
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$value = isset($buckets[$key]) ? $buckets[$key] : ($this->multiple ? [] : null); |
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if ($primaryModel instanceof ActiveRecord) { |
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$primaryModel->populateRelation($name, $value); |
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} else { |
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$primaryModels[$i][$name] = $value; |
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} |
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} |
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return $models; |
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} |
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} |
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|
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/** |
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* @param array $models |
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* @param array $link |
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* @param array $viaModels |
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* @param array $viaLink |
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* @return array |
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*/ |
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private function buildBuckets($models, $link, $viaModels = null, $viaLink = null) |
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{ |
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$buckets = []; |
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$linkKeys = array_keys($link); |
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foreach ($models as $i => $model) { |
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$key = $this->getModelKey($model, $linkKeys); |
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if ($this->indexBy !== null) { |
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$buckets[$key][$i] = $model; |
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} else { |
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$buckets[$key][] = $model; |
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} |
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} |
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|
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if ($viaModels !== null) { |
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$viaBuckets = []; |
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$viaLinkKeys = array_keys($viaLink); |
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$linkValues = array_values($link); |
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foreach ($viaModels as $viaModel) { |
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$key1 = $this->getModelKey($viaModel, $viaLinkKeys); |
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$key2 = $this->getModelKey($viaModel, $linkValues); |
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if (isset($buckets[$key2])) { |
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foreach ($buckets[$key2] as $i => $bucket) { |
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if ($this->indexBy !== null) { |
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$viaBuckets[$key1][$i] = $bucket; |
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} else { |
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$viaBuckets[$key1][] = $bucket; |
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} |
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} |
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} |
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} |
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$buckets = $viaBuckets; |
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} |
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|
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if (!$this->multiple) { |
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foreach ($buckets as $i => $bucket) { |
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$buckets[$i] = reset($bucket); |
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} |
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} |
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return $buckets; |
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} |
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|
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/** |
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* @param ActiveRecord|array $model |
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* @param array $attributes |
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* @return string |
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*/ |
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private function getModelKey($model, $attributes) |
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{ |
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if (count($attributes) > 1) { |
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$key = []; |
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foreach ($attributes as $attribute) { |
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$key[] = $model[$attribute]; |
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} |
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return serialize($key); |
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} else { |
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$attribute = reset($attributes); |
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return $model[$attribute]; |
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} |
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} |
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|
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/** |
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* @param array $models |
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*/ |
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private function filterByModels($models) |
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{ |
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$attributes = array_keys($this->link); |
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$values = []; |
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if (count($attributes) === 1) { |
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// single key |
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$attribute = reset($this->link); |
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foreach ($models as $model) { |
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if (($value = $model[$attribute]) !== null) { |
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$values[] = $value; |
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} |
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} |
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} else { |
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// composite keys |
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foreach ($models as $model) { |
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$v = []; |
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foreach ($this->link as $attribute => $link) { |
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$v[$attribute] = $model[$link]; |
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} |
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$values[] = $v; |
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} |
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} |
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$this->andWhere(['in', $attributes, array_unique($values, SORT_REGULAR)]); |
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} |
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|
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/** |
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* @param ActiveRecord[] $primaryModels |
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* @return array |
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*/ |
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private function findPivotRows($primaryModels) |
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{ |
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if (empty($primaryModels)) { |
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return []; |
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} |
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$this->filterByModels($primaryModels); |
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/** @var ActiveRecord $primaryModel */ |
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$primaryModel = reset($primaryModels); |
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return $this->asArray()->all($primaryModel->getDb()); |
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} |
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} |
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@ -0,0 +1,206 @@
|
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<?php |
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/** |
||||
* @link http://www.yiiframework.com/ |
||||
* @copyright Copyright (c) 2008 Yii Software LLC |
||||
* @license http://www.yiiframework.com/license/ |
||||
*/ |
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|
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namespace yii\db; |
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|
||||
/** |
||||
* The QueryInterface defines the minimum set of methods to be implemented by a database query. |
||||
* |
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* The default implementation of this interface is provided by [[QueryTrait]]. |
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* |
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* It has support for getting [[one]] instance or [[all]]. |
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* Allows pagination via [[limit]] and [[offset]]. |
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* Sorting is supported via [[orderBy]] and items can be limited to match some conditions using [[where]]. |
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* |
||||
* By calling [[createCommand()]], we can get a [[Command]] instance which can be further |
||||
* used to perform/execute the DB query against a database. |
||||
* |
||||
* @author Qiang Xue <qiang.xue@gmail.com> |
||||
* @author Carsten Brandt <mail@cebe.cc> |
||||
* @since 2.0 |
||||
*/ |
||||
interface QueryInterface |
||||
{ |
||||
/** |
||||
* Executes the query and returns all results as an array. |
||||
* @param Connection $db the database connection used to execute the query. |
||||
* If this parameter is not given, the `db` application component will be used. |
||||
* @return array the query results. If the query results in nothing, an empty array will be returned. |
||||
*/ |
||||
public function all($db = null); |
||||
|
||||
/** |
||||
* Executes the query and returns a single row of result. |
||||
* @param Connection $db the database connection used to execute the query. |
||||
* If this parameter is not given, the `db` application component will be used. |
||||
* @return array|boolean the first row (in terms of an array) of the query result. False is returned if the query |
||||
* results in nothing. |
||||
*/ |
||||
public function one($db = null); |
||||
|
||||
/** |
||||
* Returns the number of records. |
||||
* @param string $q the COUNT expression. Defaults to '*'. |
||||
* @param Connection $db the database connection used to execute the query. |
||||
* If this parameter is not given, the `db` application component will be used. |
||||
* @return integer number of records |
||||
*/ |
||||
public function count($q = '*', $db = null); |
||||
|
||||
/** |
||||
* Returns a value indicating whether the query result contains any row of data. |
||||
* @param Connection $db the database connection used to execute the query. |
||||
* If this parameter is not given, the `db` application component will be used. |
||||
* @return boolean whether the query result contains any row of data. |
||||
*/ |
||||
public function exists($db = null); |
||||
|
||||
/** |
||||
* Sets the [[indexBy]] property. |
||||
* @param string|callable $column the name of the column by which the query results should be indexed by. |
||||
* This can also be a callable (e.g. anonymous function) that returns the index value based on the given |
||||
* row data. The signature of the callable should be: |
||||
* |
||||
* ~~~ |
||||
* function ($row) |
||||
* { |
||||
* // return the index value corresponding to $row |
||||
* } |
||||
* ~~~ |
||||
* |
||||
* @return static the query object itself |
||||
*/ |
||||
public function indexBy($column); |
||||
|
||||
/** |
||||
* Sets the WHERE part of the query. |
||||
* |
||||
* The method requires a $condition parameter. |
||||
* |
||||
* The $condition parameter should be an array in one of the following two formats: |
||||
* |
||||
* - hash format: `['column1' => value1, 'column2' => value2, ...]` |
||||
* - operator format: `[operator, operand1, operand2, ...]` |
||||
* |
||||
* A condition in hash format represents the following SQL expression in general: |
||||
* `column1=value1 AND column2=value2 AND ...`. In case when a value is an array, |
||||
* an `IN` expression will be generated. And if a value is null, `IS NULL` will be used |
||||
* in the generated expression. Below are some examples: |
||||
* |
||||
* - `['type' => 1, 'status' => 2]` generates `(type = 1) AND (status = 2)`. |
||||
* - `['id' => [1, 2, 3], 'status' => 2]` generates `(id IN (1, 2, 3)) AND (status = 2)`. |
||||
* - `['status' => null] generates `status IS NULL`. |
||||
* |
||||
* A condition in operator format generates the SQL expression according to the specified operator, which |
||||
* can be one of the followings: |
||||
* |
||||
* - `and`: the operands should be concatenated together using `AND`. For example, |
||||
* `['and', 'id=1', 'id=2']` will generate `id=1 AND id=2`. If an operand is an array, |
||||
* it will be converted into a string using the rules described here. For example, |
||||
* `['and', 'type=1', ['or', 'id=1', 'id=2']]` will generate `type=1 AND (id=1 OR id=2)`. |
||||
* The method will NOT do any quoting or escaping. |
||||
* |
||||
* - `or`: similar to the `and` operator except that the operands are concatenated using `OR`. |
||||
* |
||||
* - `between`: operand 1 should be the column name, and operand 2 and 3 should be the |
||||
* starting and ending values of the range that the column is in. |
||||
* For example, `['between', 'id', 1, 10]` will generate `id BETWEEN 1 AND 10`. |
||||
* |
||||
* - `not between`: similar to `between` except the `BETWEEN` is replaced with `NOT BETWEEN` |
||||
* in the generated condition. |
||||
* |
||||
* - `in`: operand 1 should be a column or DB expression, and operand 2 be an array representing |
||||
* the range of the values that the column or DB expression should be in. For example, |
||||
* `['in', 'id', [1, 2, 3]]` will generate `id IN (1, 2, 3)`. |
||||
* The method will properly quote the column name and escape values in the range. |
||||
* |
||||
* - `not in`: similar to the `in` operator except that `IN` is replaced with `NOT IN` in the generated condition. |
||||
* |
||||
* - `like`: operand 1 should be a column or DB expression, and operand 2 be a string or an array representing |
||||
* the values that the column or DB expression should be like. |
||||
* For example, `['like', 'name', '%tester%']` will generate `name LIKE '%tester%'`. |
||||
* When the value range is given as an array, multiple `LIKE` predicates will be generated and concatenated |
||||
* using `AND`. For example, `['like', 'name', ['%test%', '%sample%']]` will generate |
||||
* `name LIKE '%test%' AND name LIKE '%sample%'`. |
||||
* The method will properly quote the column name and escape values in the range. |
||||
* |
||||
* - `or like`: similar to the `like` operator except that `OR` is used to concatenate the `LIKE` |
||||
* predicates when operand 2 is an array. |
||||
* |
||||
* - `not like`: similar to the `like` operator except that `LIKE` is replaced with `NOT LIKE` |
||||
* in the generated condition. |
||||
* |
||||
* - `or not like`: similar to the `not like` operator except that `OR` is used to concatenate |
||||
* the `NOT LIKE` predicates. |
||||
* |
||||
* @param array $condition the conditions that should be put in the WHERE part. |
||||
* @return static the query object itself |
||||
* @see andWhere() |
||||
* @see orWhere() |
||||
*/ |
||||
public function where($condition); |
||||
|
||||
/** |
||||
* Adds an additional WHERE condition to the existing one. |
||||
* The new condition and the existing one will be joined using the 'AND' operator. |
||||
* @param string|array $condition the new WHERE condition. Please refer to [[where()]] |
||||
* on how to specify this parameter. |
||||
* @return static the query object itself |
||||
* @see where() |
||||
* @see orWhere() |
||||
*/ |
||||
public function andWhere($condition); |
||||
|
||||
/** |
||||
* Adds an additional WHERE condition to the existing one. |
||||
* The new condition and the existing one will be joined using the 'OR' operator. |
||||
* @param string|array $condition the new WHERE condition. Please refer to [[where()]] |
||||
* on how to specify this parameter. |
||||
* @return static the query object itself |
||||
* @see where() |
||||
* @see andWhere() |
||||
*/ |
||||
public function orWhere($condition); |
||||
|
||||
/** |
||||
* Sets the ORDER BY part of the query. |
||||
* @param string|array $columns the columns (and the directions) to be ordered by. |
||||
* Columns can be specified in either a string (e.g. "id ASC, name DESC") or an array |
||||
* (e.g. `['id' => SORT_ASC, 'name' => SORT_DESC]`). |
||||
* The method will automatically quote the column names unless a column contains some parenthesis |
||||
* (which means the column contains a DB expression). |
||||
* @return static the query object itself |
||||
* @see addOrderBy() |
||||
*/ |
||||
public function orderBy($columns); |
||||
|
||||
/** |
||||
* Adds additional ORDER BY columns to the query. |
||||
* @param string|array $columns the columns (and the directions) to be ordered by. |
||||
* Columns can be specified in either a string (e.g. "id ASC, name DESC") or an array |
||||
* (e.g. `['id' => SORT_ASC, 'name' => SORT_DESC]`). |
||||
* The method will automatically quote the column names unless a column contains some parenthesis |
||||
* (which means the column contains a DB expression). |
||||
* @return static the query object itself |
||||
* @see orderBy() |
||||
*/ |
||||
public function addOrderBy($columns); |
||||
|
||||
/** |
||||
* Sets the LIMIT part of the query. |
||||
* @param integer $limit the limit. Use null or negative value to disable limit. |
||||
* @return static the query object itself |
||||
*/ |
||||
public function limit($limit); |
||||
|
||||
/** |
||||
* Sets the OFFSET part of the query. |
||||
* @param integer $offset the offset. Use null or negative value to disable offset. |
||||
* @return static the query object itself |
||||
*/ |
||||
public function offset($offset); |
||||
} |
||||
@ -0,0 +1,208 @@
|
||||
<?php |
||||
/** |
||||
* @link http://www.yiiframework.com/ |
||||
* @copyright Copyright (c) 2008 Yii Software LLC |
||||
* @license http://www.yiiframework.com/license/ |
||||
*/ |
||||
|
||||
namespace yii\db; |
||||
|
||||
/** |
||||
* The BaseQuery trait represents the minimum method set of a database Query. |
||||
* |
||||
* It has support for getting [[one]] instance or [[all]]. |
||||
* Allows pagination via [[limit]] and [[offset]]. |
||||
* Sorting is supported via [[orderBy]] and items can be limited to match some conditions unsing [[where]]. |
||||
* |
||||
* By calling [[createCommand()]], we can get a [[Command]] instance which can be further |
||||
* used to perform/execute the DB query against a database. |
||||
* |
||||
* @author Qiang Xue <qiang.xue@gmail.com> |
||||
* @author Carsten Brandt <mail@cebe.cc> |
||||
* @since 2.0 |
||||
*/ |
||||
trait QueryTrait |
||||
{ |
||||
/** |
||||
* @var string|array query condition. This refers to the WHERE clause in a SQL statement. |
||||
* For example, `age > 31 AND team = 1`. |
||||
* @see where() |
||||
*/ |
||||
public $where; |
||||
/** |
||||
* @var integer maximum number of records to be returned. If not set or less than 0, it means no limit. |
||||
*/ |
||||
public $limit; |
||||
/** |
||||
* @var integer zero-based offset from where the records are to be returned. If not set or |
||||
* less than 0, it means starting from the beginning. |
||||
*/ |
||||
public $offset; |
||||
/** |
||||
* @var array how to sort the query results. This is used to construct the ORDER BY clause in a SQL statement. |
||||
* The array keys are the columns to be sorted by, and the array values are the corresponding sort directions which |
||||
* can be either [SORT_ASC](http://php.net/manual/en/array.constants.php#constant.sort-asc) |
||||
* or [SORT_DESC](http://php.net/manual/en/array.constants.php#constant.sort-desc). |
||||
* The array may also contain [[Expression]] objects. If that is the case, the expressions |
||||
* will be converted into strings without any change. |
||||
*/ |
||||
public $orderBy; |
||||
/** |
||||
* @var string|callable $column the name of the column by which the query results should be indexed by. |
||||
* This can also be a callable (e.g. anonymous function) that returns the index value based on the given |
||||
* row data. For more details, see [[indexBy()]]. This property is only used by [[all()]]. |
||||
*/ |
||||
public $indexBy; |
||||
|
||||
/** |
||||
* Sets the [[indexBy]] property. |
||||
* @param string|callable $column the name of the column by which the query results should be indexed by. |
||||
* This can also be a callable (e.g. anonymous function) that returns the index value based on the given |
||||
* row data. The signature of the callable should be: |
||||
* |
||||
* ~~~ |
||||
* function ($row) |
||||
* { |
||||
* // return the index value corresponding to $row |
||||
* } |
||||
* ~~~ |
||||
* |
||||
* @return static the query object itself |
||||
*/ |
||||
public function indexBy($column) |
||||
{ |
||||
$this->indexBy = $column; |
||||
return $this; |
||||
} |
||||
|
||||
/** |
||||
* Sets the WHERE part of the query. |
||||
* |
||||
* See [[QueryInterface::where()]] for detailed documentation. |
||||
* |
||||
* @param array $condition the conditions that should be put in the WHERE part. |
||||
* @return static the query object itself |
||||
* @see andWhere() |
||||
* @see orWhere() |
||||
*/ |
||||
public function where($condition) |
||||
{ |
||||
$this->where = $condition; |
||||
return $this; |
||||
} |
||||
|
||||
/** |
||||
* Adds an additional WHERE condition to the existing one. |
||||
* The new condition and the existing one will be joined using the 'AND' operator. |
||||
* @param string|array $condition the new WHERE condition. Please refer to [[where()]] |
||||
* on how to specify this parameter. |
||||
* @return static the query object itself |
||||
* @see where() |
||||
* @see orWhere() |
||||
*/ |
||||
public function andWhere($condition) |
||||
{ |
||||
if ($this->where === null) { |
||||
$this->where = $condition; |
||||
} else { |
||||
$this->where = ['and', $this->where, $condition]; |
||||
} |
||||
return $this; |
||||
} |
||||
|
||||
/** |
||||
* Adds an additional WHERE condition to the existing one. |
||||
* The new condition and the existing one will be joined using the 'OR' operator. |
||||
* @param string|array $condition the new WHERE condition. Please refer to [[where()]] |
||||
* on how to specify this parameter. |
||||
* @return static the query object itself |
||||
* @see where() |
||||
* @see andWhere() |
||||
*/ |
||||
public function orWhere($condition) |
||||
{ |
||||
if ($this->where === null) { |
||||
$this->where = $condition; |
||||
} else { |
||||
$this->where = ['or', $this->where, $condition]; |
||||
} |
||||
return $this; |
||||
} |
||||
|
||||
/** |
||||
* Sets the ORDER BY part of the query. |
||||
* @param string|array $columns the columns (and the directions) to be ordered by. |
||||
* Columns can be specified in either a string (e.g. "id ASC, name DESC") or an array |
||||
* (e.g. `['id' => SORT_ASC, 'name' => SORT_DESC]`). |
||||
* The method will automatically quote the column names unless a column contains some parenthesis |
||||
* (which means the column contains a DB expression). |
||||
* @return static the query object itself |
||||
* @see addOrderBy() |
||||
*/ |
||||
public function orderBy($columns) |
||||
{ |
||||
$this->orderBy = $this->normalizeOrderBy($columns); |
||||
return $this; |
||||
} |
||||
|
||||
/** |
||||
* Adds additional ORDER BY columns to the query. |
||||
* @param string|array $columns the columns (and the directions) to be ordered by. |
||||
* Columns can be specified in either a string (e.g. "id ASC, name DESC") or an array |
||||
* (e.g. `['id' => SORT_ASC, 'name' => SORT_DESC]`). |
||||
* The method will automatically quote the column names unless a column contains some parenthesis |
||||
* (which means the column contains a DB expression). |
||||
* @return static the query object itself |
||||
* @see orderBy() |
||||
*/ |
||||
public function addOrderBy($columns) |
||||
{ |
||||
$columns = $this->normalizeOrderBy($columns); |
||||
if ($this->orderBy === null) { |
||||
$this->orderBy = $columns; |
||||
} else { |
||||
$this->orderBy = array_merge($this->orderBy, $columns); |
||||
} |
||||
return $this; |
||||
} |
||||
|
||||
protected function normalizeOrderBy($columns) |
||||
{ |
||||
if (is_array($columns)) { |
||||
return $columns; |
||||
} else { |
||||
$columns = preg_split('/\s*,\s*/', trim($columns), -1, PREG_SPLIT_NO_EMPTY); |
||||
$result = []; |
||||
foreach ($columns as $column) { |
||||
if (preg_match('/^(.*?)\s+(asc|desc)$/i', $column, $matches)) { |
||||
$result[$matches[1]] = strcasecmp($matches[2], 'desc') ? SORT_ASC : SORT_DESC; |
||||
} else { |
||||
$result[$column] = SORT_ASC; |
||||
} |
||||
} |
||||
return $result; |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* Sets the LIMIT part of the query. |
||||
* @param integer $limit the limit. Use null or negative value to disable limit. |
||||
* @return static the query object itself |
||||
*/ |
||||
public function limit($limit) |
||||
{ |
||||
$this->limit = $limit; |
||||
return $this; |
||||
} |
||||
|
||||
/** |
||||
* Sets the OFFSET part of the query. |
||||
* @param integer $offset the offset. Use null or negative value to disable offset. |
||||
* @return static the query object itself |
||||
*/ |
||||
public function offset($offset) |
||||
{ |
||||
$this->offset = $offset; |
||||
return $this; |
||||
} |
||||
} |
||||
@ -0,0 +1,14 @@
|
||||
<?php |
||||
namespace yiiunit\framework\db\cubrid; |
||||
|
||||
use yiiunit\framework\data\ActiveDataProviderTest; |
||||
|
||||
/** |
||||
* @group db |
||||
* @group cubrid |
||||
* @group data |
||||
*/ |
||||
class CubridActiveDataProviderTest extends ActiveDataProviderTest |
||||
{ |
||||
public $driverName = 'cubrid'; |
||||
} |
||||
@ -0,0 +1,14 @@
|
||||
<?php |
||||
namespace yiiunit\framework\db\mssql; |
||||
|
||||
use yiiunit\framework\data\ActiveDataProviderTest; |
||||
|
||||
/** |
||||
* @group db |
||||
* @group mssql |
||||
* @group data |
||||
*/ |
||||
class MssqlActiveDataProviderTest extends ActiveDataProviderTest |
||||
{ |
||||
public $driverName = 'sqlsrv'; |
||||
} |
||||
@ -0,0 +1,14 @@
|
||||
<?php |
||||
namespace yiiunit\framework\db\pgsql; |
||||
|
||||
use yiiunit\framework\data\ActiveDataProviderTest; |
||||
|
||||
/** |
||||
* @group db |
||||
* @group pgsql |
||||
* @group data |
||||
*/ |
||||
class PostgreSQLActiveDataProviderTest extends ActiveDataProviderTest |
||||
{ |
||||
public $driverName = 'pgsql'; |
||||
} |
||||
@ -0,0 +1,14 @@
|
||||
<?php |
||||
namespace yiiunit\framework\db\sqlite; |
||||
|
||||
use yiiunit\framework\data\ActiveDataProviderTest; |
||||
|
||||
/** |
||||
* @group db |
||||
* @group sqlite |
||||
* @group data |
||||
*/ |
||||
class SqliteActiveDataProviderTest extends ActiveDataProviderTest |
||||
{ |
||||
public $driverName = 'sqlite'; |
||||
} |
||||
Loading…
Reference in new issue