feat(sqlite): Add SqliteRwPool with a single writer and multiple readers

Cargo.toml

@@ -326,6 +326,11 @@ name = "sqlite-error"
 path = "tests/sqlite/error.rs"
 required-features = ["sqlite"]
 
+[[test]]
+name = "sqlite-rw-pool"
+path = "tests/sqlite/rw_pool.rs"
+required-features = ["sqlite"]
+
 [[test]]
 name = "sqlite-sqlcipher"
 path = "tests/sqlite/sqlcipher.rs"

sqlx-sqlite/src/lib.rs

@@ -133,6 +133,9 @@ mod migrate;
 #[cfg(feature = "migrate")]
 mod testing;
 
+mod rw_pool;
+pub use rw_pool::{SqliteRwPool, SqliteRwPoolOptions};
+
 /// An alias for [`Pool`][crate::pool::Pool], specialized for SQLite.
 pub type SqlitePool = crate::pool::Pool<Sqlite>;