function _backup_migrate_db_switch_db in Backup and Migrate 8.2

Same name and namespace in other branches

1. 5.2 includes/db.inc \_backup_migrate_db_switch_db()

Switch to the db described by the DB URL, or back to previous if none selected.

2 calls to _backup_migrate_db_switch_db()

backup_migrate_db_backup in includes/db.inc

Build the database dump file. Takes a list of tables to exclude and some formatting options.

backup_migrate_db_restore in includes/db.inc

Restore from a previously backed up files. File must be a decompressed SQL file.

File

includes/db.inc, line 134

General database dump/restore code for Backup and Migrate.

Code

function _backup_migrate_db_switch_db($in_url = NULL) {
  static $db_stack = array();
  global $db_url;

  // If no DB URL is specified, pop the previous one and set to it.
  if ($in_url === NULL && $db_stack) {
    db_set_active(array_pop($db_stack));
  }

  // If there is a valid DB URL, switch to it.
  if ($in_url) {

    // 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.
    $db_url[$in_url] = $in_url;

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