fix: Test case, pretty print

lykiadb-server/Cargo.toml

@@ -27,6 +27,7 @@ tokio = { version = "~1.35.1", features = [
 tokio-stream = { version = "~0.1.6", features = ["net"] }
 tracing = "0.1"
 tracing-subscriber = "0.3"
+pretty_assertions = "1.4.1"
 
 [dev-dependencies]
 criterion = { version = "0.4", features = ["html_reports"] }

lykiadb-server/tests/planner/join

@@ -32,15 +32,21 @@ SELECT * FROM books b
 #[name=three_way_reordered, run=plan]>
 
 SELECT * FROM books b
-    INNER JOIN 
-    (categories c ON b.category_id = c.id INNER JOIN publishers AS p ON b.publisher_id = p.id)
+    INNER JOIN
+    (
+      categories c
+      INNER JOIN
+      publishers AS p
+      ON b.category_id = c.id
+    )
+    ON b.publisher_id = p.id
     WHERE p.name = 'Springer';
 
 ---
 
 - filter (p.name IsEqual Str("Springer")):
   - join [Inner, (b.publisher_id IsEqual p.id)]:
+    - scan [books as b]
     - join [Inner, (b.category_id IsEqual c.id)]:
       - scan [categories as c]
-      - scan [publishers as p]
-    - scan [books as b]
+      - scan [publishers as p]

lykiadb-server/tests/util.rs

@@ -1,5 +1,6 @@
 use lykiadb_lang::{ast::stmt::Stmt, parser::program::Program};
 use lykiadb_server::plan::planner::Planner;
+use pretty_assertions::assert_eq;
 
 fn expect_plan(query: &str, expected_plan: &str) {
     let mut planner = Planner::new();