story-kit: merge 260_refactor_upgrade_libsqlite3_sys

vendor/rusqlite/examples/persons/main.rs

@@ -0,0 +1,57 @@
+use rusqlite::{Connection, Result};
+#[cfg(all(target_family = "wasm", target_os = "unknown"))]
+use wasm_bindgen::prelude::wasm_bindgen;
+
+#[cfg(all(target_family = "wasm", target_os = "unknown"))]
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = console)]
+    fn log(s: &str);
+}
+
+#[cfg(all(target_family = "wasm", target_os = "unknown"))]
+macro_rules! println {
+    ($($t:tt)*) => (log(&format_args!($($t)*).to_string()))
+}
+
+struct Person {
+    id: i32,
+    name: String,
+}
+
+#[cfg_attr(all(target_family = "wasm", target_os = "unknown"), wasm_bindgen(main))]
+fn main() -> Result<()> {
+    let conn = Connection::open_in_memory()?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS persons (
+            id INTEGER PRIMARY KEY,
+            name TEXT NOT NULL
+        )",
+        (), // empty list of parameters.
+    )?;
+
+    conn.execute(
+        "INSERT INTO persons (name) VALUES (?1), (?2), (?3)",
+        ["Steven", "John", "Alex"].map(|n| n.to_string()),
+    )?;
+
+    let mut stmt = conn.prepare("SELECT id, name FROM persons")?;
+    let rows = stmt.query_map([], |row| {
+        Ok(Person {
+            id: row.get(0)?,
+            name: row.get(1)?,
+        })
+    })?;
+
+    println!("Found persons:");
+
+    for person in rows {
+        match person {
+            Ok(p) => println!("ID: {}, Name: {}", p.id, p.name),
+            Err(e) => eprintln!("Error: {e:?}"),
+        }
+    }
+
+    Ok(())
+}