test that sqlite actually runs

src-tauri/Cargo.lock

@@ -445,6 +445,9 @@ dependencies = [
 name = "cjdic2"
 version = "0.1.0"
 dependencies = [
+ "r2d2",
+ "r2d2_sqlite",
+ "rusqlite",
  "serde",
  "serde_json",
  "tauri",
@@ -877,6 +880,18 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[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 = "fastrand"
 version = "2.3.0"
@@ -930,6 +945,12 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
+[[package]]
+name = "foldhash"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
+
 [[package]]
 name = "foreign-types"
 version = "0.5.0"
@@ -1385,7 +1406,7 @@ version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 dependencies = [
- "foldhash",
+ "foldhash 0.1.5",
 ]
 
 [[package]]
@@ -1393,6 +1414,18 @@ name = "hashbrown"
 version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+dependencies = [
+ "foldhash 0.2.0",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea0b22561a9c04a7cb1a302c013e0259cd3b4bb619f145b32f72b8b4bcbed230"
+dependencies = [
+ "hashbrown 0.16.1",
+]
 
 [[package]]
 name = "heck"
@@ -1896,6 +1929,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "libsqlite3-sys"
+version = "0.36.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95b4103cffefa72eb8428cb6b47d6627161e51c2739fc5e3b734584157bc642a"
+dependencies = [
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.11.0"
@@ -2749,6 +2792,28 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
+[[package]]
+name = "r2d2"
+version = "0.8.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51de85fb3fb6524929c8a2eb85e6b6d363de4e8c48f9e2c2eac4944abc181c93"
+dependencies = [
+ "log",
+ "parking_lot",
+ "scheduled-thread-pool",
+]
+
+[[package]]
+name = "r2d2_sqlite"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2ebd03c29250cdf191da93a35118b4567c2ef0eacab54f65e058d6f4c9965f6"
+dependencies = [
+ "r2d2",
+ "rusqlite",
+ "uuid",
+]
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -2774,6 +2839,16 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "rand"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.5",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -2794,6 +2869,16 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.5",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -2812,6 +2897,15 @@ dependencies = [
  "getrandom 0.2.17",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
+dependencies = [
+ "getrandom 0.3.4",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -2939,6 +3033,31 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "rsqlite-vfs"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8a1f2315036ef6b1fbacd1972e8ee7688030b0a2121edfc2a6550febd41574d"
+dependencies = [
+ "hashbrown 0.16.1",
+ "thiserror 2.0.18",
+]
+
+[[package]]
+name = "rusqlite"
+version = "0.38.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1c93dd1c9683b438c392c492109cb702b8090b2bfc8fed6f6e4eb4523f17af3"
+dependencies = [
+ "bitflags 2.11.0",
+ "fallible-iterator",
+ "fallible-streaming-iterator",
+ "hashlink",
+ "libsqlite3-sys",
+ "smallvec",
+ "sqlite-wasm-rs",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.4.1"
@@ -2976,6 +3095,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "scheduled-thread-pool"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cbc66816425a074528352f5789333ecff06ca41b36b0b0efdfbb29edc391a19"
+dependencies = [
+ "parking_lot",
+]
+
 [[package]]
 name = "schemars"
 version = "0.8.22"
@@ -3334,6 +3462,18 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "sqlite-wasm-rs"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f4206ed3a67690b9c29b77d728f6acc3ce78f16bf846d83c94f76400320181b"
+dependencies = [
+ "cc",
+ "js-sys",
+ "rsqlite-vfs",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.1"
@@ -4207,10 +4347,17 @@ checksum = "b672338555252d43fd2240c714dc444b8c6fb0a5c5335e65a07bba7742735ddb"
 dependencies = [
  "getrandom 0.4.1",
  "js-sys",
+ "rand 0.9.2",
  "serde_core",
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version-compare"
 version = "0.2.1"

src-tauri/Cargo.toml

@@ -22,4 +22,7 @@ tauri = { version = "2", features = [] }
 tauri-plugin-opener = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
+r2d2_sqlite = "0.32.0"
+rusqlite = "0.38.0"
+r2d2 = "0.8.10"
 

src-tauri/src/db.rs

@@ -0,0 +1,29 @@
+use serde::Serialize;
+
+use crate::state;
+
+#[derive(Serialize)]
+pub struct SearchRow {
+    a: i32,
+    b: i32,
+}
+
+#[tauri::command]
+pub fn get_db(state: tauri::State<state::AppState>) -> Result<Vec<SearchRow>, String> {
+    let conn = state.conn.lock().map_err(|e| e.to_string())?;
+    let mut stmt = conn.prepare("SELECT a, b FROM test").map_err(|e| e.to_string())?;
+
+    let rows = stmt.query_map([], |r| {
+        Ok(SearchRow {
+            a: r.get(0)?,
+            b: r.get(1)?,
+        })
+    }).map_err(|e| e.to_string())?;
+
+    let mut out = Vec::new();
+    for r in rows {
+        out.push(r.map_err(|e| e.to_string())?);
+    }
+
+    Ok(out)
+}

src-tauri/src/lib.rs

@@ -1,3 +1,10 @@
+use tauri::Manager;
+use rusqlite::Connection;
+use std::sync::Mutex;
+
+mod db;
+mod state;
+
 // Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
 #[tauri::command]
 fn greet(name: &str) -> String {
@@ -8,7 +15,58 @@ fn greet(name: &str) -> String {
 pub fn run() {
     tauri::Builder::default()
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![greet])
+        .setup(|app| {
-        .run(tauri::generate_context!())
+            let cfg_dir = app.path().app_config_dir();
-        .expect("error while running tauri application");
+            let app_dir = cfg_dir
+                .unwrap_or_else(|_| std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")));
+
+            std::fs::create_dir_all(&app_dir)?;
+
+            let db_path = app_dir.join("cjdic.db");
+            let is_new = !db_path.exists();
+            println!("{:?}", db_path);
+
+            let conn = Connection::open(&db_path)?;
+
+            if is_new {
+                conn.execute_batch("CREATE TABLE test (a, b);")?;
+                let mut stmt = conn.prepare("INSERT INTO test VALUES (?1, ?2)")?;
+                stmt.insert([1, 2])?;
+                stmt.insert([3, 4])?;
+            }
+
+            app.manage(state::AppState{
+                conn: Mutex::new(conn),
+            });
+            Ok(())
+        })
+        .invoke_handler(tauri::generate_handler![greet, db::get_db])
+        .build(tauri::generate_context!())
+        .expect("error while running tauri application")
+        .run(|_app_handle, event| match event {
+            tauri::RunEvent::ExitRequested { .. } => {
+                // api.prevent_exit();
+                // let handle = app_handle.clone();
+
+                // if let Some(state) = app_handle.try_state::<state::AppState>() {
+                //     if let Ok(conn) = state.conn.lock() {
+                //         if let Err(e) = (|| -> Result<(), rusqlite::Error> {
+                //             conn.execute_batch("PRAGMA optimize;")?;
+                //             conn.execute("PRAGMA wal_checkpoint(FULL);", [])?;
+
+                //             let (_busy, _log, _checkpointed): (i32, i32, i32) =
+                //             conn.query_row("PRAGMA wal_checkpoint(FULL);", [], |row| {
+                //                 Ok((row.get(0)?, row.get(1)?, row.get(2)?))
+                //             })?;
+                //             Ok(())
+                //         })() {
+                //             eprintln!("Shutdown SQL failed: {e}");
+                //         }
+                //     }
+                // }
+
+                // handle.exit(0);
+            }
+            _ => {}
+        });
 }

src-tauri/src/state.rs

@@ -0,0 +1,6 @@
+use rusqlite::Connection;
+use std::sync::Mutex;
+
+pub struct AppState {
+    pub conn: Mutex<Connection>
+}

src/App.vue

@@ -9,6 +9,10 @@ async function greet() {
   // Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
   greetMsg.value = await invoke("greet", { name: name.value });
 }
+
+invoke<{ a: number; b: number }[]>("get_db").then((r) => {
+  name.value = JSON.stringify(r);
+});
 </script>
 
 <template>
@@ -44,7 +48,6 @@ async function greet() {
 .logo.vue:hover {
   filter: drop-shadow(0 0 2em #249b73);
 }
-
 </style>
 <style>
 :root {
@@ -156,5 +159,4 @@ button {
     background-color: #0f0f0f69;
   }
 }
-
 </style>