function backup_migrate_destination_db::switch_db in Backup and Migrate 6.2

Switch to the current database. Pass true to switch back to the previous db.

4 calls to backup_migrate_destination_db::switch_db()

backup_migrate_destination_db::backup_to_file in includes/destinations.db.inc

Backup from this source.

backup_migrate_destination_db::get_object_names in includes/destinations.db.inc

Get a list of objects in the database.

backup_migrate_destination_db::get_table_names in includes/destinations.db.inc

Get a list of tables in the database.

backup_migrate_destination_db::restore_from_file in includes/destinations.db.inc

Restore to this source.

File

includes/destinations.db.inc, line 238

Functions to handle the direct to database destination.

Class

backup_migrate_destination_db

A destination type for saving to a database server.

Code

function switch_db($switch_back = FALSE) {
  static $db_stack = array();
  global $db_url;

  // If switch back is specified, pop the previous db and activate it.
  if ($switch_back && $db_stack) {
    db_set_active(array_pop($db_stack));
    return;
  }

  // If there is a valid DB URL, switch to it.
  if ($url = $this
    ->get_location()) {

    // Make the db_url into an array if needed.
    if (!is_array($db_url)) {
      $db_url = array(
        'default' => $db_url,
      );
    }

    // Add the new db to the db_url array.
    $db_url[$url] = $url;

    // Switch to the new db and push the old one on the stack
    $db_stack[] = db_set_active($url);
  }
}