function db_set_active in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/database.inc \db_set_active()
2. 4 includes/database.inc \db_set_active()
3. 5 includes/database.inc \db_set_active()
4. 6 includes/database.inc \db_set_active()

Sets a new active database.

Parameters

$key: The key in the $databases array to set as the default database.

Return value

The key of the formerly active database.

Related topics

2 calls to db_set_active()

DatabaseLoggingTestCase::testEnableMultiConnectionLogging in modules/simpletest/tests/database_test.test

Test that we can log queries separately on different connections.

DatabaseTasks::connect in includes/install.inc

Check if we can connect to the database.

File

includes/database/database.inc, line 2661

Core systems for the database layer.

Code

function db_set_active($key = 'default') {
  return Database::setActiveConnection($key);
}