add more documentation

sqlx-core/src/mysql/mod.rs

@@ -24,6 +24,7 @@ mod types;
 mod util;
 
 /// An alias for [`Pool`], specialized for **MySQL**.
+#[cfg_attr(docsrs, doc(cfg(feature = "mysql")))]
 pub type MySqlPool = crate::pool::Pool<MySqlConnection>;
 
 make_query_as!(MySqlQueryAs, MySql, MySqlRow);

sqlx-core/src/postgres/connection.rs

@@ -16,7 +16,7 @@ use crate::postgres::stream::PgStream;
 use crate::postgres::{sasl, tls};
 use crate::url::Url;
 
-/// An asynchronous connection to a [Postgres][super::Postgres] database.
+/// An asynchronous connection to a [Postgres](struct.Postgres.html) database.
 ///
 /// The connection string expected by [Connect::connect] should be a PostgreSQL connection
 /// string, as documented at

sqlx-core/src/postgres/database.rs

@@ -1,3 +1,5 @@
+//! Types which represent various database drivers.
+
 use crate::database::{Database, HasCursor, HasRawValue, HasRow};
 use crate::postgres::row::PgValue;
 

sqlx-core/src/postgres/mod.rs

@@ -24,6 +24,7 @@ mod tls;
 pub mod types;
 
 /// An alias for [`Pool`][crate::Pool], specialized for **Postgres**.
+#[cfg_attr(docsrs, doc(cfg(feature = "postgres")))]
 pub type PgPool = crate::pool::Pool<PgConnection>;
 
 make_query_as!(PgQueryAs, Postgres, PgRow);

sqlx-core/src/postgres/types/raw/mod.rs

@@ -2,4 +2,4 @@ mod numeric;
 mod record;
 
 pub use numeric::{PgNumeric, PgNumericSign};
-pub use record::{PgRecordEncoder, PgRecordDecoder};
+pub use record::{PgRecordDecoder, PgRecordEncoder};

sqlx-core/src/sqlite/connection.rs

@@ -22,7 +22,7 @@ use crate::url::Url;
 #[derive(Clone, Copy)]
 pub(super) struct SqliteConnectionHandle(pub(super) NonNull<sqlite3>);
 
-/// A connection to a [SQLite][super::Sqlite] database.
+/// A connection to a [Sqlite](struct.Sqlite.html) database.
 pub struct SqliteConnection {
     pub(super) handle: SqliteConnectionHandle,
     pub(super) worker: Worker,

sqlx-core/src/sqlite/mod.rs

@@ -1,3 +1,5 @@
+//! **SQLite** database and connection types.
+
 mod arguments;
 mod connection;
 mod cursor;
@@ -20,6 +22,7 @@ pub use types::SqliteTypeInfo;
 pub use value::SqliteValue;
 
 /// An alias for [`Pool`][crate::Pool], specialized for **Sqlite**.
+#[cfg_attr(docsrs, doc(cfg(feature = "sqlite")))]
 pub type SqlitePool = crate::pool::Pool<SqliteConnection>;
 
 make_query_as!(SqliteQueryAs, Sqlite, SqliteRow);