function DriverSpecificSchemaTestBase::testChangeSerialFieldLength

Tests changing a field length.

File

core/tests/Drupal/KernelTests/Core/Database/DriverSpecificSchemaTestBase.php, line 1319

Class

DriverSpecificSchemaTestBase

Tests table creation and modification via the schema API.

Namespace

Code

public function testChangeSerialFieldLength() : void {
  $specification = [
    'fields' => [
      'id' => [
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary Key: Unique ID.',
      ],
      'text' => [
        'type' => 'text',
        'description' => 'A text field',
      ],
    ],
    'primary key' => [
      'id',
    ],
  ];
  $this->schema
    ->createTable('change_serial_to_big', $specification);
  // Increase the size of the field.
  $new_specification = [
    'size' => 'big',
    'type' => 'serial',
    'not null' => TRUE,
    'description' => 'Primary Key: Unique ID.',
  ];
  $this->schema
    ->changeField('change_serial_to_big', 'id', 'id', $new_specification);
  $this->assertTrue($this->schema
    ->fieldExists('change_serial_to_big', 'id'));
  // Test if we can actually add a big int.
  $id = $this->connection
    ->insert('change_serial_to_big')
    ->fields([
    'id' => 21474836470,
  ])
    ->execute();
  $id_two = $this->connection
    ->insert('change_serial_to_big')
    ->fields([
    'text' => 'Testing for ID generation',
  ])
    ->execute();
  $this->assertEquals($id + 1, $id_two);
}