Merge pull request #18175 from owncloud/automatic-db-prefix-query-builder

apps/encryption/lib/migration.php

apps/encryption/tests/lib/MigrationTest.php

apps/files_trashbin/command/cleanup.php

apps/files_trashbin/tests/command/cleanuptest.php

lib/private/db/querybuilder/querybuilder.php

lib/private/share/share.php

lib/public/db/querybuilder/iquerybuilder.php

lib/repair/cleantags.php

lib/repair/filletags.php

tests/lib/db/querybuilder/querybuildertest.php

tests/lib/repair/cleantags.php

tests/lib/share/share.php