$table
$table : string
The table the index is on.
__construct(string $table, string $name, boolean $primary, boolean $unique, array $columns)
Constructor.
| string | $table | The table the index is on. |
| string | $name | The index's name. |
| boolean | $primary | Is this a primary key? |
| boolean | $unique | Is this a unique index? |
| array | $columns | The columns this index covers. |