CSqliteColumnSchema
包 | system.db.schema.sqlite |
---|---|
继承 | class CSqliteColumnSchema » CDbColumnSchema » CComponent |
可用自 | 1.0 |
版本 | $Id$ |
CSqliteColumnSchema class describes the column meta data of a SQLite table.
公共属性
属性 | 类型 | 描述 | 被定义在 |
---|---|---|---|
allowNull | boolean | whether this column can be null. | CDbColumnSchema |
dbType | string | the DB type of this column. | CDbColumnSchema |
defaultValue | mixed | default value of this column | CDbColumnSchema |
isForeignKey | boolean | whether this column is a foreign key | CDbColumnSchema |
isPrimaryKey | boolean | whether this column is a primary key | CDbColumnSchema |
name | string | name of this column (without quotes). | CDbColumnSchema |
precision | integer | precision of the column data, if it is numeric. | CDbColumnSchema |
rawName | string | raw name of this column. | CDbColumnSchema |
scale | integer | scale of the column data, if it is numeric. | CDbColumnSchema |
size | integer | size of the column. | CDbColumnSchema |
type | string | the PHP type of this column. | CDbColumnSchema |
公共方法
方法 | 描述 | 被定义在 |
---|---|---|
__call() | Calls the named method which is not a class method. | CComponent |
__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 |
getEventHandlers() | Returns the list of attached event handlers for an event. | CComponent |
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 |
init() | Initializes the column with its DB type and default value. | CDbColumnSchema |
raiseEvent() | Raises an event. | CComponent |
typecast() | Converts the input value to the type that this column is of. | CDbColumnSchema |
受保护的方法
方法 | 描述 | 被定义在 |
---|---|---|
extractDefault() | Extracts the default value for the column. | CSqliteColumnSchema |
extractLimit() | Extracts size, precision and scale information from column's DB type. | CDbColumnSchema |
extractType() | Extracts the PHP type from DB type. | CDbColumnSchema |
方法详情
extractDefault()
方法
protected void extractDefault(mixed $defaultValue)
| ||
$defaultValue | mixed | the default value obtained from metadata |
Extracts the default value for the column. The value is typecasted to correct PHP type.