PHP

laravel migration change column length

Schema::table('users', function ($table) {
    $table->string('name', 50)->change();
});

how change column type with laravel migration

  public function up()
  {
	// !!  
    //if error => Unknown database type enum requested
    // add this line
    Schema::getConnection()->getDoctrineSchemaManager()->getDatabasePlatform()->registerDoctrineTypeMapping('enum', 'string');
    
    Schema::table('building', function (Blueprint $table) {
      $table->float('height' , 10, 2)->change();
    });
  }

 //don't forget reverse
public function down()
{
  Schema::table('building', function (Blueprint $table) {
    $table->bigInteger('epaisseur')->change();
  });
}

laravel migration change column type

public function up()
{
    Schema::table('sometable', function (Blueprint $table) {
        $table->text('text')->change();
    });
}

laravel migration update table column type

Schema::table('users', function ($table) {
    $table->string('name', 50)->change();
});
We could also modify a column to be nullable:

Schema::table('users', function ($table) {
    $table->string('name', 50)->nullable()->change();
});

update column type laravel migration

$table-><column_type>('<column_name>')->change();

how to change the colum type in migration laravel

public function changeColumnType($table, $column, $newColumnType) {                
    DB::statement("ALTER TABLE $table CHANGE $column $column $newColumnType");
}