feat(deparser): add join fixtures for pretty printing tests

Add SQL fixtures for testing JOIN parsing and deparsing:
- Simple inner join
- Left outer join
- Multiple joins
- Joined tables with specific columns
- Raw ast passthrough

These fixtures help verify that JOIN statements are parsed and deparsed correctly.

Author: pyramation

__fixtures__/generated/generated.json

@@ -96,6 +96,11 @@
   "pretty/misc-15.sql": "ALTER DEFAULT PRIVILEGES IN SCHEMA dashboard_jobs \n GRANT EXECUTE ON FUNCTIONS  TO administrator",
   "pretty/misc-16.sql": "GRANT EXECUTE ON FUNCTION dashboard_private.uuid_generate_seeded_uuid TO PUBLIC",
   "pretty/misc-17.sql": "SELECT CAST(t.date AT TIME ZONE $$America/New_York$$ AS text)::date FROM tbl t",
+  "pretty/joins-1.sql": "SELECT *\nFROM public.posts AS t0 INNER JOIN public.users ON t0.author_id = users.id",
+  "pretty/joins-2.sql": "SELECT *\nFROM public.posts AS t0 LEFT OUTER JOIN public.comments ON t0.id = comments.post_id",
+  "pretty/joins-3.sql": "SELECT *\nFROM public.posts AS t0 INNER JOIN public.users ON t0.author_id = users.id LEFT OUTER JOIN public.categories ON t0.category_id = categories.id",
+  "pretty/joins-4.sql": "SELECT\n  t0.id,\n  t0.title,\n  users.name\nFROM public.posts AS t0 INNER JOIN public.users ON t0.author_id = users.id",
+  "pretty/joins-5.sql": "SELECT id\nFROM public.users",
   "pretty/formatting-1.sql": "EXPLAIN (COSTS OFF) SELECT * FROM onek2 WHERE unique2 = 11 AND stringu1 = 'ATAAAA'",
   "pretty/formatting-2.sql": "EXPLAIN SELECT * FROM onek2 WHERE unique2 = 11 AND stringu1 = 'ATAAAA'",
   "pretty/formatting-3.sql": "INSERT INTO objects.object (name, val, active, hash)\nVALUES ('name', 'val', 't'::boolean, 'abcdefg'),\n       ('name', 'val', 't'::boolean, 'abcdefg'),\n       ('name', 'val', 't'::boolean, 'abcdefg')",

__fixtures__/kitchen-sink/pretty/joins.sql

@@ -0,0 +1,22 @@
+-- 1. Simple inner join
+SELECT *
+FROM public.posts AS t0 INNER JOIN public.users ON t0.author_id = users.id;
+
+-- 2. Left outer join
+SELECT *
+FROM public.posts AS t0 LEFT OUTER JOIN public.comments ON t0.id = comments.post_id;
+
+-- 3. Multiple joins
+SELECT *
+FROM public.posts AS t0 INNER JOIN public.users ON t0.author_id = users.id LEFT OUTER JOIN public.categories ON t0.category_id = categories.id;
+
+-- 4. Joined tables with specific columns
+SELECT
+  t0.id,
+  t0.title,
+  users.name
+FROM public.posts AS t0 INNER JOIN public.users ON t0.author_id = users.id;
+
+-- 5. Raw ast passthrough
+SELECT id
+FROM public.users;

packages/deparser/__tests__/pretty/__snapshots__/joins-pretty.test.ts.snap

@@ -0,0 +1,44 @@
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`non-pretty: pretty/joins-1.sql 1`] = `"SELECT * FROM public.posts AS t0 JOIN public.users ON t0.author_id = users.id"`;
+
+exports[`non-pretty: pretty/joins-2.sql 1`] = `"SELECT * FROM public.posts AS t0 LEFT JOIN public.comments ON t0.id = comments.post_id"`;
+
+exports[`non-pretty: pretty/joins-3.sql 1`] = `"SELECT * FROM public.posts AS t0 JOIN public.users ON t0.author_id = users.id LEFT JOIN public.categories ON t0.category_id = categories.id"`;
+
+exports[`non-pretty: pretty/joins-4.sql 1`] = `"SELECT t0.id, t0.title, users.name FROM public.posts AS t0 JOIN public.users ON t0.author_id = users.id"`;
+
+exports[`non-pretty: pretty/joins-5.sql 1`] = `"SELECT id FROM public.users"`;
+
+exports[`pretty: pretty/joins-1.sql 1`] = `
+"SELECT *
+FROM public.posts AS t0
+JOIN public.users ON t0.author_id = users.id"
+`;
+
+exports[`pretty: pretty/joins-2.sql 1`] = `
+"SELECT *
+FROM public.posts AS t0
+LEFT JOIN public.comments ON t0.id = comments.post_id"
+`;
+
+exports[`pretty: pretty/joins-3.sql 1`] = `
+"SELECT *
+FROM public.posts AS t0
+JOIN public.users ON t0.author_id = users.id
+LEFT JOIN public.categories ON t0.category_id = categories.id"
+`;
+
+exports[`pretty: pretty/joins-4.sql 1`] = `
+"SELECT
+  t0.id,
+  t0.title,
+  users.name
+FROM public.posts AS t0
+JOIN public.users ON t0.author_id = users.id"
+`;
+
+exports[`pretty: pretty/joins-5.sql 1`] = `
+"SELECT id
+FROM public.users"
+`;

packages/deparser/__tests__/pretty/joins-pretty.test.ts

@@ -0,0 +1,11 @@
+import { PrettyTest } from '../../test-utils/PrettyTest';
+
+const prettyTest = new PrettyTest([
+  'pretty/joins-1.sql',
+  'pretty/joins-2.sql',
+  'pretty/joins-3.sql',
+  'pretty/joins-4.sql',
+  'pretty/joins-5.sql',
+]);
+
+prettyTest.generateTests();