Feat/optimize migration perfomance (#26)

* Update MigrateSoftDeletes.php

Optimized migration perfomance: update table rows on mysql level instead of update each row on eloquent level.

* refactor: Single query execution

---------

Co-authored-by: Maksym Bilozub <[email protected]>

Author: mykola-yatsenko-engineer

src/Commands/MigrateSoftDeletes.php

@@ -2,7 +2,6 @@
 
 namespace Webkid\LaravelBooleanSoftdeletes\Commands;
 
-use Exception;
 use Illuminate\Console\Command;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
@@ -38,18 +37,8 @@ public function handle(): void
 
 		$old_field_name = $this->ask('Provide old field name. If deleted_at than leave blank', 'deleted_at');
 
-		try {
-			DB::table($table)->orderBy('id', 'desc')->chunk(100, function ($items) use ($table, $field_name, $old_field_name) {
-				foreach ($items as $item) {
-					DB::table($table)
-						->where('id', $item->id)
-						->update([$field_name => $item->{$old_field_name} !== null]);
-				}
-			});
-
-			$this->info('Table has been migrated!');
-		} catch (Exception $e) {
-			$this->error($e->getMessage());
-		}
+		DB::table($table)->update([
+			$field_name => DB::raw("IF({$old_field_name} IS NULL, 0, 1)"),
+		]);
 	}
 }