function autosave_form_schema in Autosave Form 8

Implements hook_schema().

File

./autosave_form.install, line 15

Install, update and uninstall functions for the autosave_form module.

Code

function autosave_form_schema() {
  $schema = [];

  // Define the schema for the autosave storage of entity forms.
  $schema[AutosaveEntityFormStorageInterface::AUTOSAVE_ENTITY_FORM_TABLE] = [
    'description' => 'Saves the form state of partially filled content entity form for restoration by the autosave_form module.',
    'fields' => [
      'form_id' => [
        'type' => 'varchar_ascii',
        'length' => AutosaveEntityFormStorageInterface::AUTOSAVE_FORM_FORM_ID_LENGTH,
        'not null' => TRUE,
      ],
      // We need the form session id as it is possible that the user opens the
      // same form in two tabs and concurrently edits it. Therefore we have to
      // assign each form session to an unique auto save session.
      // We use the form build id for this and add an extra length to cover any
      // case.
      'form_session_id' => [
        'type' => 'varchar_ascii',
        'length' => AutosaveEntityFormStorageInterface::AUTOSAVE_FORM_FORM_ID_LENGTH,
        'not null' => TRUE,
      ],
      'entity_type_id' => [
        'type' => 'varchar_ascii',
        'length' => EntityTypeInterface::ID_MAX_LENGTH,
        'not null' => TRUE,
      ],
      'entity_id' => [
        'type' => 'varchar_ascii',
        'length' => EntityTypeInterface::ID_MAX_LENGTH,
        'not null' => TRUE,
      ],
      'langcode' => [
        'type' => 'varchar_ascii',
        'length' => 12,
        'not null' => TRUE,
      ],
      'uid' => [
        'type' => 'int',
        'not null' => TRUE,
      ],
      'timestamp' => [
        'type' => 'int',
        'not null' => TRUE,
      ],
      'entity' => [
        'type' => 'blob',
        'not null' => TRUE,
        'size' => 'big',
      ],
      'form_state' => [
        'type' => 'blob',
        'not null' => TRUE,
        'size' => 'big',
      ],
    ],
    'primary key' => [
      'form_id',
      'form_session_id',
      'entity_type_id',
      'entity_id',
      'langcode',
      'uid',
      'timestamp',
    ],
  ];
  return $schema;
}