9 calls to Database::setActiveConnection()

DatabaseStorageTest::testConcurrent in core/tests/Drupal/KernelTests/Core/KeyValueStore/DatabaseStorageTest.php
Tests asynchronous table creation.
DbImportCommand::runScript in core/lib/Drupal/Core/Command/DbImportCommand.php
Run the database script.
LoggingTest::testEnableMultiConnectionLogging in core/tests/Drupal/KernelTests/Core/Database/LoggingTest.php
Tests that we can log queries separately on different connections.
MigrateDrupalTestBase::loadFixture in core/modules/migrate_drupal/tests/src/Kernel/MigrateDrupalTestBase.php
Loads a database fixture into the source database connection.
MigrateUpgradeTestBase::loadFixture in core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
Loads a database fixture into the source database connection.
Tasks::connect in core/modules/sqlite/src/Driver/Database/sqlite/Install/Tasks.php
Checks if we can connect to the database.
Tasks::connect in core/modules/mysql/src/Driver/Database/mysql/Install/Tasks.php
Checks if we can connect to the database.
Tasks::connect in core/modules/pgsql/src/Driver/Database/pgsql/Install/Tasks.php
Checks if we can connect to the database.
Tasks::connect in core/lib/Drupal/Core/Database/Install/Tasks.php
Checks if we can connect to the database.

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