feat(driver-adapters): enable Wasm on quaint and related crates

Cargo.toml

@@ -68,6 +68,7 @@ features = [
   "pooled",
   "postgresql",
   "sqlite",
+  "native",
 ]
 
 [profile.dev.package.backtrace]

libs/user-facing-errors/Cargo.toml

@@ -11,7 +11,7 @@ backtrace = "0.3.40"
 tracing = "0.1"
 indoc.workspace = true
 itertools = "0.10"
-quaint = { workspace = true, optional = true }
+quaint = { path = "../../quaint", optional = true }
 
 [features]
 default = []

quaint/Cargo.toml

@@ -23,20 +23,28 @@ resolver = "2"
 features = ["docs", "all"]
 
 [features]
-default = []
+default = ["mysql", "postgresql", "mssql", "sqlite"]
 docs = []
 # Expose the underlying database drivers when a connector is enabled. This is a
 # way to access database-specific methods when you need extra control.
 expose-drivers = []
 
-all = ["mssql", "mysql", "pooled", "postgresql", "sqlite"]
+native = [
+  "postgresql-native",
+  "mysql-native",
+  "mssql-native",
+  "sqlite-native",
+]
+
+all = ["native", "pooled"]
 
 vendored-openssl = [
   "postgres-native-tls/vendored-openssl",
   "mysql_async/vendored-openssl",
 ]
 
-postgresql = [
+postgresql-native = [
+  "postgresql",
   "native-tls",
   "tokio-postgres",
   "postgres-types",
@@ -47,11 +55,24 @@ postgresql = [
   "lru-cache",
   "byteorder",
 ]
+postgresql = []
+
+mssql-native = [
+  "mssql",
+  "tiberius",
+  "tokio-util",
+  "tokio/time",
+  "tokio/net",
+]
+mssql = []
+
+mysql-native = ["mysql", "mysql_async", "tokio/time", "lru-cache"]
+mysql = ["chrono/std"]
 
-mssql = ["tiberius", "tokio-util", "tokio/time", "tokio/net", "either"]
-mysql = ["mysql_async", "tokio/time", "lru-cache"]
 pooled = ["mobc"]
-sqlite = ["rusqlite", "tokio/sync"]
+sqlite-native = ["sqlite", "rusqlite/bundled", "tokio/sync"]
+sqlite = []
+
 fmt-sql = ["sqlformat"]
 
 [dependencies]
@@ -67,7 +88,7 @@ futures = "0.3"
 url = "2.1"
 hex = "0.4"
 
-either = { version = "1.6", optional = true }
+either = { version = "1.6" }
 base64 = { version = "0.12.3" }
 chrono = { version = "0.4", default-features = false, features = ["serde"] }
 lru-cache = { version = "0.1", optional = true }
@@ -88,7 +109,11 @@ paste = "1.0"
 serde = { version = "1.0", features = ["derive"] }
 quaint-test-macros = { path = "quaint-test-macros" }
 quaint-test-setup = { path = "quaint-test-setup" }
-tokio = { version = "1.0", features = ["rt-multi-thread", "macros", "time"] }
+tokio = { version = "1.0", features = ["macros", "time"] }
+
+[target.'cfg(target_arch = "wasm32")'.dependencies.getrandom]
+version = "0.2"
+features = ["js"]
 
 [dependencies.byteorder]
 default-features = false
@@ -102,7 +127,7 @@ branch = "vendored-openssl"
 
 [dependencies.rusqlite]
 version = "0.29"
-features = ["chrono", "bundled", "column_decltype"]
+features = ["chrono", "column_decltype"]
 optional = true
 
 [target.'cfg(not(any(target_os = "macos", target_os = "ios")))'.dependencies.tiberius]

quaint/README.md

@@ -16,9 +16,13 @@ Quaint is an abstraction over certain SQL databases. It provides:
 ### Feature flags
 
 - `mysql`: Support for MySQL databases.
+  - On non-WebAssembly targets, choose `mysql-native` instead.
 - `postgresql`: Support for PostgreSQL databases.
+  - On non-WebAssembly targets, choose `postgresql-native` instead.
 - `sqlite`: Support for SQLite databases.
+  - On non-WebAssembly targets, choose `sqlite-native` instead.
 - `mssql`: Support for Microsoft SQL Server databases.
+  - On non-WebAssembly targets, choose `mssql-native` instead.
 - `pooled`: A connection pool in `pooled::Quaint`.
 - `vendored-openssl`: Statically links against a vendored OpenSSL library on
   non-Windows or non-Apple platforms.

quaint/src/connector.rs

@@ -10,37 +10,49 @@
 //! querying interface.
 
 mod connection_info;
+
 pub mod metrics;
 mod queryable;
 mod result_set;
-#[cfg(any(feature = "mssql", feature = "postgresql", feature = "mysql"))]
+#[cfg(any(feature = "mssql-native", feature = "postgresql-native", feature = "mysql-native"))]
 mod timeout;
 mod transaction;
 mod type_identifier;
 
-#[cfg(feature = "mssql")]
-pub(crate) mod mssql;
-#[cfg(feature = "mysql")]
-pub(crate) mod mysql;
-#[cfg(feature = "postgresql")]
-pub(crate) mod postgres;
-#[cfg(feature = "sqlite")]
-pub(crate) mod sqlite;
-
-#[cfg(feature = "mysql")]
-pub use self::mysql::*;
-#[cfg(feature = "postgresql")]
-pub use self::postgres::*;
 pub use self::result_set::*;
 pub use connection_info::*;
-#[cfg(feature = "mssql")]
-pub use mssql::*;
 pub use queryable::*;
-#[cfg(feature = "sqlite")]
-pub use sqlite::*;
 pub use transaction::*;
-#[cfg(any(feature = "sqlite", feature = "mysql", feature = "postgresql"))]
+#[cfg(any(feature = "mssql-native", feature = "postgresql-native", feature = "mysql-native"))]
 #[allow(unused_imports)]
 pub(crate) use type_identifier::*;
 
 pub use self::metrics::query;
+
+#[cfg(feature = "postgresql")]
+pub(crate) mod postgres;
+#[cfg(feature = "postgresql-native")]
+pub use postgres::native::*;
+#[cfg(feature = "postgresql")]
+pub use postgres::wasm::common::*;
+
+#[cfg(feature = "mysql")]
+pub(crate) mod mysql;
+#[cfg(feature = "mysql-native")]
+pub use mysql::native::*;
+#[cfg(feature = "mysql")]
+pub use mysql::wasm::common::*;
+
+#[cfg(feature = "sqlite")]
+pub(crate) mod sqlite;
+#[cfg(feature = "sqlite-native")]
+pub use sqlite::native::*;
+#[cfg(feature = "sqlite")]
+pub use sqlite::wasm::common::*;
+
+#[cfg(feature = "mssql")]
+pub(crate) mod mssql;
+#[cfg(feature = "mssql-native")]
+pub use mssql::native::*;
+#[cfg(feature = "mssql")]
+pub use mssql::wasm::common::*;