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db\Command alterColumn()

alterColumn() public method

Creates a SQL command for changing the definition of a column.

public $this alterColumn ( $table, $column, $type )
$table string

The table whose column is to be changed. The table name will be properly quoted by the method.
$column string

The name of the column to be changed. The name will be properly quoted by the method.
$type string

The column type. yii\db\QueryBuilder::getColumnType() will be called to convert the give column type to the physical one. For example, string will be converted as varchar(255), and string not null becomes varchar(255) not null.
return $this

The command object itself
doc_Yii
doc_Yii
2016-10-30 16:57:20
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