use iridium_core::{parse_sql, Engine};
fn engine_exec(engine: &mut Engine, sql: &str) -> Option<iridium_core::QueryResult> {
let stmt = parse_sql(sql).unwrap_or_else(|_| panic!("Parser falhou: {}", sql));
engine.execute(stmt).unwrap_or_else(|_| panic!("Engine falhou: {}", sql))
}
#[test]
fn test_left_outer_join_compare() {
let mut engine = Engine::new();
engine_exec(&mut engine, "CREATE TABLE t_customers (id INT PRIMARY KEY, name VARCHAR(50))");
engine_exec(&mut engine, "CREATE TABLE t_orders (id INT PRIMARY KEY, customer_id INT, amount INT)");
engine_exec(&mut engine, "INSERT INTO t_customers VALUES (1, 'Alice'), (2, 'Bob')");
engine_exec(&mut engine, "INSERT INTO t_orders VALUES (100, 1, 500)");
let join_sql = "SELECT c.name, o.amount FROM t_customers c LEFT JOIN t_orders o ON c.id = o.customer_id ORDER BY c.id";
let _engine_result = engine_exec(&mut engine, join_sql).unwrap();
assert!(!_engine_result.rows.is_empty());
}