Add sql table column before or after specific other column - by migrations in Laravel 4.1

Question

Table \'users\':

|id|name|address|post_code|deleted_at|created_at|

and I want add column \'phone_nr\' somewhere between \'id\' and \'delete

Answer 1

The answer by James is still correct. However, Laravel 5 has slightly changed the make migration syntax:

php artisan make:migration add_google_auth_to_users_table --table=users

(I am aware this question is tagged Laravel 4, however it ranks quite high for the question ;) )

Answer 2

For anyone else wondering about @rahulsingh's query about adding multiple columns back to back after a single specific column:

$table->integer('col1')->after('ref_col');
$table->integer('col2')->after('what');

You can do this just by writing the new fields in reverse order, for example:

$table->integer('col4')->after('ref_col');
$table->integer('col3')->after('ref_col');
$table->integer('col2')->after('ref_col');
$table->integer('col1')->after('ref_col');

When you run this migration you'll find that your new fields col, col2, ... are in your intended order after the reference field ref_col.

Unfortunately there is no before() function for adding fields before an existing field. (If that existed we could keep the above statements in their real order.)

---

You cannot do chaining with fields that do not yet exist, for example:

$table->integer('col1')->after('ref_col');
$table->integer('col2')->after('col1');
$table->integer('col3')->after('col2');
$table->integer('col4')->after('col3');

This is because the migration blueprint is compiled to a single query thus executed as one, so when it comes to adding col2 your database engine will complain that col1 doesn't exist.

Answer 3

Yes. Create a new migration using php artisan migrate:make update_users_table.

Then use the table command as follows (if you're using MySQL!):

Schema::table('users', function($table)
{
    $table->string('phone_nr')->after('id');
});

Once you've finished your migration, save it and run it using php artisan migrate and your table will be updated.

Documentation: https://laravel.com/docs/4.2/migrations#column-modifiers

Answer 4

I've created following migration:

php artisan make:migration update_nvm_table

2019_07_10_130441_update_nvm_table.php

And inside:

public function up()
    {
        Schema::table('nvm', function (Blueprint $table) {
            $table->renameColumn('data1', 'call_owner');
            $table->renameColumn('data2', 'transfer_type');
            $table->string('transfer_data', 50)->nullable();
        });
    }

 public function down()
    {
        Schema::table('nvm', function (Blueprint $table) {
            $table->dropColumn('transfer_data');
            $table->renameColumn('call_owner', 'data1');
            $table->renameColumn('transfer_type', 'data2');
        });
    }

I hope it can a reference for you! :D

Answer 5

For latest versions of Laravel say 5-6

The command is

php artisan make:migration update_users_table

Then

php artisan migrate