/// Database adapter
pub mod adapter;
/// PostgreSQL database
#[cfg(feature = "pgsql")]
pub mod pgsql;
/// Ms Sql Server database
#[cfg(feature = "mssql")]
pub mod mssql;
#[cfg(not(any(feature = "pgsql", feature = "mssql")))]
pub mod without_sql;
#[cfg(not(any(feature = "pgsql", feature = "mssql")))]
compile_error!("Either feature 'pgsql' or 'mssql' must be enabled for this crate.");