addPrimaryKey() public method
Creates a SQL command for adding a primary key constraint to an existing table.
The method will properly quote the table and column names.
| public $this addPrimaryKey ( $name, $table, $columns ) | ||
|---|---|---|
| $name | string |
The name of the primary key constraint. |
| $table | string |
The table that the primary key constraint will be added to. |
| $columns | string|array |
Comma separated string or array of columns that the primary key will consist of. |
| return | $this |
The command object itself. |
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