CoalesceColumnsExpression ​
- Type
- Class
- Namespace
- craft\db
- Inherits
- craft\db\CoalesceColumnsExpression » yii\base\BaseObject
- Implements
- craft\db\ExpressionInterface, yii\base\Configurable
- Since
- 5.1.0
CoalesceColumnsExpression represents a COALESCE() SQL statement for a list of columns.
Public Properties ​
| Property | Description |
|---|---|
| columns | string[] – The columns that should be coalesced. |
columns ​
- Type
- string[]
- Default value
null
The columns that should be coalesced.
Public Methods ​
| Method | Description |
|---|---|
| __call() | Calls the named method which is not a class method. |
| __construct() | Constructor |
| __get() | Returns the value of an object property. |
| __isset() | Checks if a property is set, i.e. defined and not null. |
| __set() | Sets value of an object property. |
| __unset() | Sets an object property to null. |
| canGetProperty() | Returns a value indicating whether a property can be read. |
| canSetProperty() | Returns a value indicating whether a property can be set. |
| className() | Returns the fully qualified name of this class. |
| getSql() | |
| hasMethod() | Returns a value indicating whether a method is defined. |
| hasProperty() | Returns a value indicating whether a property is defined. |
| init() | Initializes the object. |
__construct() ​
Constructor
Arguments ​
getSql() ​
Arguments ​
$params