Add history table and modify card_stats

src/data_provider/sqlite.rs

@@ -20,6 +20,7 @@ fn create_tables(conn: &Connection) {
     make_word_group(conn).expect("Failed to init table");
     make_words(conn).expect("Failed to init table");
     make_card_stats(conn).expect("Failed to init table");
+    make_history(conn).expect("Failed to init table");
 }
 
 fn make_settings(conn: &Connection) -> Result<(), rusqlite::Error> {
@@ -51,6 +52,12 @@ fn make_card_stats(conn: &Connection) -> Result<(), rusqlite::Error> {
     Ok(())
 }
 
+fn make_history(conn: &Connection) -> Result<(), rusqlite::Error> {
+    let query = include_str!("../../sql/history.sql");
+    conn.execute(query, ())?;
+    Ok(())
+}
+
 pub fn default_connection() -> Connection {
     let db_file = db_path();
     let connection = Connection::open(db_file).expect("Failed to open database");