Spin 3.4 SQLite and PostgreSQL interfaces

Signed-off-by: itowlson <[email protected]>

Author: itowlson

Cargo.lock

@@ -21,6 +21,7 @@ anyhow = "1"
 async-trait = "0.1.74"
 chrono = "0.4.38"
 form_urlencoded = "1.0"
+rust_decimal = { version = "1.37.2", default-features = false }
 spin-executor = { version = "4.0.0", path = "crates/executor" }
 spin-macro = { version = "4.0.0", path = "crates/macro" }
 thiserror = "1.0.37"
@@ -33,6 +34,8 @@ hyperium = { package = "http", version = "1.0.0" }
 serde_json = { version = "1.0.96", optional = true }
 serde = { version = "1.0.163", optional = true }
 wasi = { workspace = true }
+uuid = "1.18.0"
+postgres_range = "0.11.1"
 
 [features]
 default = ["export-sdk-language", "json"]

Cargo.toml

@@ -8,8 +8,11 @@ mod test;
 /// Key/Value storage.
 pub mod key_value;
 
-/// SQLite storage.
+/// SQLite storage for Spin 2 and earlier. Applications that do not require
+/// this backward compatibility should use the [`sqlite3`](crate::sqlite3) module instead.
 pub mod sqlite;
+/// SQLite storage.
+pub mod sqlite3;
 
 /// Large Language Model (Serverless AI) APIs
 pub mod llm;
@@ -34,7 +37,9 @@ pub mod wit {
         generate_all,
     });
     pub use fermyon::spin2_0_0 as v2;
-    pub use spin::postgres::postgres as pg3;
+    pub use spin::postgres3_0_0::postgres as pg3;
+    pub use spin::postgres4_0_0::postgres as pg4;
+    pub use spin::sqlite::sqlite as sqlite3;
 }
 
 #[export_name = concat!("spin-sdk-version-", env!("SDK_VERSION"))]
@@ -56,8 +61,8 @@ pub mod mqtt;
 pub mod redis;
 
 pub mod pg;
-
 pub mod pg3;
+pub mod pg4;
 
 pub mod mysql;
 

src/lib.rs

@@ -1,5 +1,5 @@
-//! Spin 2 Postgres relational database storage. Applications that do not require
-//! Spin 2 support should use the [`pg3`](crate::pg3) module instead.
+//! Postgres relational database storage for Spin 2 and earlier. Applications that do not require
+//! this backward compatibility should use the [`pg4`](crate::pg4) module instead.
 //!
 //! Conversions between Rust, WIT and **Postgres** types.
 //!

src/pg.rs

@@ -1,4 +1,5 @@
-//! Postgres relational database storage.
+//! Postgres relational database storage for Spin 3.3 and earlier. Applications that do not require
+//! this backward compatibility should use the [`pg4`](crate::pg4) module instead.
 //!
 //! You can use the [`into()`](std::convert::Into) method to convert
 //! a Rust value into a [`ParameterValue`]. You can use the