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+++ b/flake.lock @@ -0,0 +1,64 @@ +{ + "nodes": { + "crane": { + "locked": { + "lastModified": 1777830388, + "narHash": "sha256-2uoQAqUk2H0ijQtGiWAyNeQYGYc6yfAcRRLlJAz4Gp8=", + "owner": "ipetkov", + "repo": "crane", + "rev": "d459c1350e96ce1a7e3859c513ef5e9869d67d6f", + "type": "github" + }, + "original": { + "owner": "ipetkov", + "repo": "crane", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1777954456, + "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "crane": "crane", + "nixpkgs": "nixpkgs", + "rust-overlay": "rust-overlay" + } + }, + "rust-overlay": { + "inputs": { + "nixpkgs": [ + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1778037418, + "narHash": "sha256-EZnAOkPgEeOO2rCRhwkTvesCq/E6dbsyxhMyaefgIWM=", + "owner": "oxalica", + "repo": "rust-overlay", + "rev": "adf987c76af8d17b8256d23631bcf203f81e1a63", + "type": "github" + }, + "original": { + "owner": "oxalica", + "repo": "rust-overlay", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..db9e29a --- /dev/null +++ b/flake.nix @@ -0,0 +1,112 @@ +{ + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; + + rust-overlay.url = "github:oxalica/rust-overlay"; + rust-overlay.inputs.nixpkgs.follows = "nixpkgs"; + + crane.url = "github:ipetkov/crane"; + }; + + outputs = { self, nixpkgs, rust-overlay, crane }: + let + inherit (nixpkgs) lib; + + systems = [ + "x86_64-linux" + "aarch64-linux" + "x86_64-darwin" + "aarch64-darwin" + ]; + + forAllSystems = f: lib.genAttrs systems (system: let + pkgs = import nixpkgs { + inherit system; + overlays = [ + (import rust-overlay) + ]; + }; + + rust-bin = rust-overlay.lib.mkRustBin { } pkgs.buildPackages; + toolchain = rust-bin.stable.latest.default.override { + extensions = [ "rust-src" "rust-analyzer" "rust-std" ]; + }; + in f system pkgs toolchain); + in { + devShells = forAllSystems (system: pkgs: toolchain: { + default = pkgs.mkShell { + nativeBuildInputs = with pkgs; [ + toolchain + + cargo-edit + pkg-config + sqlite-interactive + ]; + + buildInputs = with pkgs; [ + sqlite + ]; + + RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library"; + }; + }); + + packages = let + src = builtins.filterSource (path: type: let + baseName = baseNameOf (toString path); + in !(lib.any (b: b) [ + (!(lib.cleanSourceFilter path type)) + (baseName == ".gitea" && type == "directory") + + (baseName == ".envrc" && type == "regular") + (baseName == "flake.lock" && type == "regular") + (baseName == "flake.nix" && type == "regular") + ])) ./.; + + cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml); + in forAllSystems (system: pkgs: toolchain: let + craneLib = (crane.mkLib pkgs).overrideToolchain (p: toolchain); + in { + default = self.packages.${system}.tamerye-shared-lib; + + tamerye-shared-lib = craneLib.buildPackage { + pname = "tamerye-shared-lib"; + version = cargoToml.package.version; + inherit src; + + strictDeps = true; + + cargoArtifacts = craneLib.buildDepsOnly { + inherit src; + strictDeps = true; + }; + }; + + tamerye-static-lib = craneLib.buildPackage { + pname = "tamerye-static-lib"; + version = cargoToml.package.version; + inherit src; + strictDeps = true; + + postPatch = '' + '${lib.getExe pkgs.yq-go}' '.lib.crate-type = [ "staticlib" ]' --inplace Cargo.toml + ''; + + buildInputs = with pkgs; [ + sqlite + ]; + + cargoArtifacts = craneLib.buildDepsOnly { + inherit src; + strictDeps = true; + + buildInputs = with pkgs; [ + sqlite + ]; + }; + + cargoExtraArgs = lib.escapeShellArgs [ "--features" "static" ]; + }; + }); + }; +} diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..ce0ef49 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,94 @@ +use sqlite3_ext::{ + function::{Context, FunctionOptions}, + *, +}; + +fn add(a: i32, b: i32) -> i32 { + a + b +} + +fn add_sqlite(ctx: &mut Context, args: &mut [&mut ValueRef]) -> Result<()> { + if args.len() != 2 { + return Err(sqlite3_ext::Error::Module( + "myadd requires exactly 2 arguments".to_string(), + )); + } + if args[0].value_type() != ValueType::Integer || args[1].value_type() != ValueType::Integer { + return Err(sqlite3_ext::Error::Module( + "myadd requires both arguments to be an integer".to_string(), + )); + } + + let a = args[0].get_i32(); + let b = args[1].get_i32(); + let result = add(a, b); + ctx.set_result(result)?; + Ok(()) +} + +#[sqlite3_ext_main(persistent)] +fn init(db: &Connection) -> Result<()> { + db.create_scalar_function( + "myadd", + &FunctionOptions::default() + .set_n_args(2) + .set_deterministic(true), + add_sqlite, + )?; + + Ok(()) +} + +#[cfg(all(test, feature = "static"))] +mod test { + use super::*; + use sqlite3_ext::Error; + + fn setup() -> Result { + let conn = Database::open(":memory:")?; + init(&conn)?; + Ok(conn) + } + + #[test] + fn test_working() -> Result<()> { + let conn = setup()?; + let results: Vec = conn + .prepare("SELECT myadd(10, 20)")? + .query(())? + .map(|row| Ok(row[0].get_i64())) + .collect()?; + assert_eq!(results, vec![30]); + + Ok(()) + } + + #[test] + fn test_wrong_arg_number() -> Result<()> { + let conn = setup()?; + let result = conn.prepare("SELECT myadd(10)"); + assert_eq!( + result.unwrap_err(), + Error::Sqlite( + 1, + Some("wrong number of arguments to function myadd()".to_string()), + ) + ); + Ok(()) + } + + #[test] + fn test_wrong_arg_type() -> Result<()> { + let conn = setup()?; + let mut statement = conn.prepare("SELECT myadd(10, 'hello!')")?; + let result = statement.query(())?.next(); + assert_eq!( + result.unwrap_err(), + Error::Sqlite( + 1, + Some("myadd requires both arguments to be an integer".to_string()), + ) + ); + Ok(()) + } +}