CManyManyRelation
| 包 | system.db.ar |
|---|---|
| 继承 | class CManyManyRelation » CHasManyRelation » CActiveRelation » CBaseActiveRelation » CComponent |
| 可用自 | 1.0 |
| 源码 | framework/db/ar/CActiveRecord.php |
CManyManyRelation represents the parameters specifying a MANY_MANY relation.
公共属性
| 属性 | 类型 | 描述 | 被定义在 |
|---|---|---|---|
| alias | string | the alias for the table that this relation refers to. | CActiveRelation |
| className | string | name of the related active record class | CBaseActiveRelation |
| condition | string | WHERE clause. | CBaseActiveRelation |
| foreignKey | mixed | the foreign key in this relation | CBaseActiveRelation |
| group | string | GROUP BY clause. | CBaseActiveRelation |
| having | string | HAVING clause. | CBaseActiveRelation |
| index | string | the name of the column that should be used as the key for storing related objects. | CHasManyRelation |
| join | string | how to join with other tables. | CBaseActiveRelation |
| joinOptions | string|array | property for setting post-JOIN operations such as USE INDEX. | CBaseActiveRelation |
| joinType | string | join type. | CActiveRelation |
| junctionForeignKeys | array | list of junction table foreign keys. | CManyManyRelation |
| junctionTableName | string | junction table name. | CManyManyRelation |
| limit | integer | limit of the rows to be selected. | CHasManyRelation |
| name | string | name of the related object | CBaseActiveRelation |
| offset | integer | offset of the rows to be selected. | CHasManyRelation |
| on | string | ON clause. | CActiveRelation |
| order | string | ORDER BY clause. | CBaseActiveRelation |
| params | array | the parameters that are to be bound to the condition. | CBaseActiveRelation |
| scopes | mixed | scopes to apply
Can be set to the one of the following:
|
CActiveRelation |
| select | mixed | list of column names (an array, or a string of names separated by commas) to be selected. | CBaseActiveRelation |
| through | string | the name of the relation that should be used as the bridge to this relation. | CActiveRelation |
| together | boolean | whether this table should be joined with the primary table. | CActiveRelation |
| with | string|array | specifies which related objects should be eagerly loaded when this related object is lazily loaded. | CActiveRelation |
公共方法
| 方法 | 描述 | 被定义在 |
|---|---|---|
| __call() | Calls the named method which is not a class method. | CComponent |
| __construct() | Constructor. | CBaseActiveRelation |
| __get() | Returns a property value, an event handler list or a behavior based on its name. | CComponent |
| __isset() | Checks if a property value is null. | CComponent |
| __set() | Sets value of a component property. | CComponent |
| __unset() | Sets a component property to be null. | CComponent |
| asa() | Returns the named behavior object. | CComponent |
| attachBehavior() | Attaches a behavior to this component. | CComponent |
| attachBehaviors() | Attaches a list of behaviors to the component. | CComponent |
| attachEventHandler() | Attaches an event handler to an event. | CComponent |
| canGetProperty() | Determines whether a property can be read. | CComponent |
| canSetProperty() | Determines whether a property can be set. | CComponent |
| detachBehavior() | Detaches a behavior from the component. | CComponent |
| detachBehaviors() | Detaches all behaviors from the component. | CComponent |
| detachEventHandler() | Detaches an existing event handler. | CComponent |
| disableBehavior() | Disables an attached behavior. | CComponent |
| disableBehaviors() | Disables all behaviors attached to this component. | CComponent |
| enableBehavior() | Enables an attached behavior. | CComponent |
| enableBehaviors() | Enables all behaviors attached to this component. | CComponent |
| evaluateExpression() | Evaluates a PHP expression or callback under the context of this component. | CComponent |
| getEventHandlers() | Returns the list of attached event handlers for an event. | CComponent |
| getJunctionForeignKeys() | Returns list of junction table foreign keys. | CManyManyRelation |
| getJunctionTableName() | Returns junction table name. | CManyManyRelation |
| hasEvent() | Determines whether an event is defined. | CComponent |
| hasEventHandler() | Checks whether the named event has attached handlers. | CComponent |
| hasProperty() | Determines whether a property is defined. | CComponent |
| mergeWith() | Merges this relation with a criteria specified dynamically. | CHasManyRelation |
| raiseEvent() | Raises an event. | CComponent |
属性详情
junctionForeignKeys
属性
只读 （自版本 v1.1.12 可用）
public array getJunctionForeignKeys()
list of junction table foreign keys.
junctionTableName
属性
只读 （自版本 v1.1.12 可用）
public string getJunctionTableName()
junction table name.
方法详情
getJunctionForeignKeys()
方法
（自版本 v1.1.12 可用）
|
public array getJunctionForeignKeys()
| ||
| {return} | array | list of junction table foreign keys. |
源码： framework/db/ar/CActiveRecord.php#2328 (显示)
public function getJunctionForeignKeys()
{
if ($this->_junctionForeignKeys===null)
$this->initJunctionData();
return $this->_junctionForeignKeys;
}
getJunctionTableName()
方法
（自版本 v1.1.12 可用）
|
public string getJunctionTableName()
| ||
| {return} | string | junction table name. |
源码： framework/db/ar/CActiveRecord.php#2317 (显示)
public function getJunctionTableName()
{
if ($this->_junctionTableName===null)
$this->initJunctionData();
return $this->_junctionTableName;
}