function views_schema in Views (for Drupal 7) 7.3

Same name and namespace in other branches

1. 8.3 views.install \views_schema()
2. 6.3 views.install \views_schema()
3. 6.2 views.install \views_schema()

Implements hook_schema().

11 calls to views_schema()

views_schema_6003 in ./views.install

Add missing unique key.

views_schema_6004 in ./views.install

Enlarge the views_object_cache.data column to prevent truncation and JS errors.

views_schema_6005 in ./views.install

Enlarge the base_table column.

views_schema_6006 in ./views.install

Add the cache_views_data table to support standard caching.

views_schema_6008 in ./views.install

Add the primary key to views_display table.

... See full list

File

./views.install, line 23

Contains install and update functions for Views.

Code

function views_schema($caller_function = NULL) {

  // Generate the current version of the database schema from the sequence of
  // schema update functions. Uses a similar method to install.inc's
  // drupal_get_schema_versions() to establish the update sequence.
  //
  // To change the schema, add a new views_schema_N() function to match the
  // associated views_update_N().
  //
  // @param string $caller_function
  //   The name of the function that called us. Used internally, if requesting a
  //   specific schema version.
  static $get_current;
  static $schemas = array();

  // If called with no arguments, get the latest version of the schema.
  if (!isset($get_current)) {
    $get_current = $caller_function ? FALSE : TRUE;
  }

  // Generate a sorted list of available schema update functions.
  if ($get_current || empty($schemas)) {
    $get_current = FALSE;

    // Provide a worst-case scenario range.
    $start_schema = 6000;
    $end_schema = 7999;
    for ($i = $start_schema; $i <= $end_schema; $i++) {
      if (function_exists('views_schema_' . $i)) {
        $schemas[] = $i;
      }
    }
    if ($schemas) {
      sort($schemas, SORT_NUMERIC);

      // If a specific version was requested, drop any later updates from the
      // sequence.
      if ($caller_function) {
        do {
          $schema = array_pop($schemas);
        } while ($schemas && $caller_function != 'views_schema_' . $schema);
      }
    }
  }

  // Call views_schema_<n>, for the highest available <n>.
  if ($schema = array_pop($schemas)) {
    $function = 'views_schema_' . $schema;
    return $function();
  }
  return array();
}