Fix querying complex edge table (#4391)

core/src/dbs/processor.rs

@@ -427,7 +427,7 @@ impl<'a> Processor<'a> {
 				Dir::In => e
 					.what
 					.iter()
-					.map(|v| v.to_string())
+					.map(|v| v.0.to_owned())
 					.map(|v| {
 						(
 							graph::ftprefix(ns, db, tb, id, &e.dir, &v),
@@ -439,7 +439,7 @@ impl<'a> Processor<'a> {
 				Dir::Out => e
 					.what
 					.iter()
-					.map(|v| v.to_string())
+					.map(|v| v.0.to_owned())
 					.map(|v| {
 						(
 							graph::ftprefix(ns, db, tb, id, &e.dir, &v),
@@ -451,7 +451,7 @@ impl<'a> Processor<'a> {
 				Dir::Both => e
 					.what
 					.iter()
-					.map(|v| v.to_string())
+					.map(|v| v.0.to_owned())
 					.flat_map(|v| {
 						vec![
 							(

lib/tests/relate.rs

@@ -180,3 +180,30 @@ async fn relate_with_param_or_subquery() -> Result<(), Error> {
 	assert_eq!(tmp, val);
 	Ok(())
 }
+
+#[tokio::test]
+async fn relate_with_complex_table() -> Result<(), Error> {
+	let sql = "
+		CREATE a:1, a:2;
+		RELATE a:1->`-`:`-`->a:2;
+		select ->`-` as rel from a:1;
+	";
+	let dbs = new_ds().await?;
+	let ses = Session::owner().with_ns("test").with_db("test");
+	let res = &mut dbs.execute(sql, &ses, None).await?;
+	assert_eq!(res.len(), 3);
+	//
+	let tmp = res.remove(0).result?;
+	let val = Value::parse("[{ id: a:1 }, { id: a:2 }]");
+	assert_eq!(tmp, val);
+	//
+	let tmp = res.remove(0).result?;
+	let val = Value::parse("[{ id: `-`:`-`, in: a:1, out: a:2 }]");
+	assert_eq!(tmp, val);
+	//
+	let tmp = res.remove(0).result?;
+	let val = Value::parse("[{ rel: [`-`:`-`] }]");
+	assert_eq!(tmp, val);
+	//
+	Ok(())
+}