wip: sqlite demo

Cargo.lock

@@ -17,6 +17,18 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "ahash"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -621,6 +633,18 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "fallible-iterator"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+
 [[package]]
 name = "fluent"
 version = "0.16.0"
@@ -887,6 +911,18 @@ name = "hashbrown"
 version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ba4ff7128dee98c7dc9794b6a411377e1404dba1c97deb8d1a55297bd25d8af"
+dependencies = [
+ "hashbrown",
+]
 
 [[package]]
 name = "headers"
@@ -1204,6 +1240,16 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "libsqlite3-sys"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c10584274047cb335c23d3e61bcef8e323adae7c5c8c760540f73610177fc3f"
+dependencies = [
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -1563,6 +1609,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
+
 [[package]]
 name = "plotters"
 version = "0.3.5"
@@ -1755,6 +1807,20 @@ dependencies = [
 name = "rs-basic"
 version = "0.2.1"
 
+[[package]]
+name = "rusqlite"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b838eba278d213a8beaf485bd313fd580ca4505a00d5871caeb1457c55322cae"
+dependencies = [
+ "bitflags 2.4.2",
+ "fallible-iterator",
+ "fallible-streaming-iterator",
+ "hashlink",
+ "libsqlite3-sys",
+ "smallvec",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -2020,6 +2086,14 @@ version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
+[[package]]
+name = "sqlite-demo"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "rusqlite",
+]
+
 [[package]]
 name = "strsim"
 version = "0.11.0"
@@ -2518,6 +2592,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -2815,3 +2895,23 @@ name = "windows_x86_64_msvc"
 version = "0.52.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"
+
+[[package]]
+name = "zerocopy"
+version = "0.7.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae87e3fcd617500e5d106f0380cf7b77f3c6092aae37191433159dda23cfb087"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.52",
+]

Cargo.toml

@@ -22,6 +22,7 @@ members = [
   "members/rest-queued",
   "members/fluent-demo",
   "members/onlytoken",
+  "members/sqlite-demo",
 ]
 default-members = [
   ".",
@@ -46,6 +47,7 @@ default-members = [
   "members/future_stream",
   "members/rest",
   "members/rest-queued",
+  "members/sqlite-demo",
 ]
 publish = false
 

members/sqlite-demo/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "sqlite-demo"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow.workspace = true
+rusqlite = "0.31.0"

members/sqlite-demo/src/main.rs

@@ -0,0 +1,46 @@
+use anyhow::Ok;
+/// This demo application uses a sqlite file to store some data. It does *not* use ORM (that would
+/// be done with the `diesel` crate.)!
+///
+/// A very useful ressource is the
+/// [rust-cookbook](https://rust-lang-nursery.github.io/rust-cookbook/database/sqlite.html).
+use rusqlite::{Connection, Result};
+
+fn setup(conn: &Connection) -> anyhow::Result<()> {
+    conn.execute(
+        "create table if not exists cat_colors (
+             id integer primary key,
+             name text not null unique
+         )",
+        (),
+    )?;
+    conn.execute(
+        "create table if not exists cats (
+             id integer primary key,
+             name text not null,
+             color_id integer not null references cat_colors(id)
+         )",
+        (),
+    )?;
+
+    Ok(())
+}
+
+fn new_color(conn: &Connection, color: &str) -> anyhow::Result<()> {
+    conn.execute(
+        "INSERT INTO cat_colors (name) values (?1)",
+        [color.to_string()],
+    )?;
+
+    Ok(())
+}
+
+fn main() -> anyhow::Result<()> {
+    let conn = Connection::open("cats.db")?;
+
+    setup(&conn)?;
+    new_color(&conn, "black")?;
+    new_color(&conn, "red")?;
+
+    Ok(())
+}