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db\ColumnSchemaBuilder null()

null() public method (available since version 2.0.9)

Adds a NULL constraint to the column

public $this null ( )

Links:

http://www.yiiframework.com/doc-2.0/yii-db-columnschemabuilder.html#null()-detail

doc_Yii

2016-10-30 16:57:15

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