// SPDX-License-Identifier: BUSL-1.1
//! Protocol-neutral database DDL family handlers (CREATE / DROP / ALTER
//! DATABASE, SHOW DATABASES / QUOTA / USAGE / LINEAGE, CLONE / MIRROR / PROMOTE,
//! BACKUP / RESTORE). Ported from the pgwire `ddl::database` handlers; every
//! catalog / data-plane / audit / privilege-gate side effect is preserved
//! verbatim.
//!
//! `USE DATABASE` is intentionally NOT here — it is session-coupled (mutates the
//! per-connection current database) and stays on the pgwire side.