laravel foreign key
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
$table->foreignId('user_id')->constrained();
});laravel current timestamp
use Carbon\Carbon;
$current_date_time = Carbon::now()->toDateTimeString(); // Produces something like "2019-03-11 12:25:00"laravel migration rollback
To rollback one step:
php artisan migrate:rollback
To rollback multiple steps:
php artisan migrate:rollback --step=[x]
To drop all tables and reload all migrations:
php artisan migrate:freshlaravel drop column
// To drop a column, use the dropColumn method on the schema builder.
// Before dropping columns from a SQLite database, you will need to add
// the doctrine/dbal dependency to your composer.json file and run the
// composer update command in your terminal to install the library:
Schema::table('users', function (Blueprint $table) {
$table->dropColumn('votes');
});datetime-local laravel migration data type
public function getDateStartAttribute($value)
{
return Carbon::parse($value)->format('Y-m-d\TH:i');
}
public function getDateEndAttribute($value)
{
return Carbon::parse($value)->format('Y-m-d\TH:i');
}Copyright © 2021 Codeinu
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