Add new column on the basis of values in the existing column in laravel

Question

I have these columns in the table:

• id
• name
• status
• type

Status should be 0 or 1 .

• 0 for inactive
• 1 for inactive.

I want to add status_name field in my item listing. Is this possible?

$items = Item::where('type', 'test');
if(item.active == 1)
{
   // add new column status_name="active"
}
else
{
   // add new column status_name="inactive"
}

$items->get();

I don't want to use loop. Is there any way to do this with this query only without using loop.

Answer 1

You need to loop through the items collection and apply your condition like :

$items = Item::where('type', 'test')->get();
foreach($items as $item){
    $item->status_name = $port->active===1?'active':'inactive';
}

Answer 2

Add field in table using migration

$table->string('status_name');

In controller

$items = Item::where('type', 'test')->get();
    foreach($items as $item){
        if($item->status== 1)
        {
          $item['status_name'] = 'active';
        } else {
          $item['status_name'] = 'inactive';
        }
   }

Answer 3

If looping through data isn't allowed you can use the generated columns and MySQL enumerations .

Create a migration to add the column to the table

php artisan make:migration add_status_name_to_items_table --table=items

Use stored generated column as below:

$table->enum('status_name', ['inactive', 'active'])->after('status')->storedAs("`status` + 1");

Or virtual generated column as:

$table->enum('status_name', ['inactive', 'active'])->after('status')->virtualAs("`status` + 1");

Note that the order of enumerated values is important and it is possible to use the index of enumerated values instead of those string values in SQL statements

+--------+-------------+----------------------+
| status | status_name | index of status_name |
+--------+-------------+----------------------+
|    -   |     NULL    |         NULL         |
+--------+-------------+----------------------+
|    -   |      ''     |           0          |
+--------+-------------+----------------------+
|    0   |  'inactive' |           1          |
+--------+-------------+----------------------+
|    1   |   'active'  |           2          |
+--------+-------------+----------------------+

You don't need to include status_name in your updates or inserts, it'll be set automatically

Hope to be helpful