refactor: 비정상 데이터 필터링 구문 개선

Author: ooheunda

src/repositories/__test__/leaderboard.repo.test.ts

@@ -88,7 +88,7 @@ describe('LeaderboardRepository', () => {
       await repo.getUserLeaderboard('viewCount', 30, 10);
 
       expect(mockPool.query).toHaveBeenCalledWith(
-        expect.stringContaining('HAVING SUM(COALESCE(ts.today_view, 0)) != SUM(COALESCE(ts.today_view, 0) - COALESCE(ss.start_view, 0))'),
+        expect.stringContaining('HAVING SUM(COALESCE(ss.start_view, 0)) != 0'),
         expect.anything(),
       );
     });
@@ -174,7 +174,7 @@ describe('LeaderboardRepository', () => {
       await repo.getPostLeaderboard('viewCount', 30, 10);
 
       expect(mockPool.query).toHaveBeenCalledWith(
-        expect.stringContaining('COALESCE(ts.today_view, 0) != COALESCE(ts.today_view, 0) - COALESCE(ss.start_view, 0)'),
+        expect.stringContaining('ss.post_id IS NOT NULL'),
         expect.anything()
       );
     });

src/repositories/leaderboard.repository.ts

@@ -30,7 +30,7 @@ export class LeaderboardRepository {
         LEFT JOIN start_stats ss ON ss.post_id = p.id
         WHERE u.username IS NOT NULL
         GROUP BY u.id, u.email, u.username
-        HAVING SUM(COALESCE(ts.today_view, 0)) != SUM(COALESCE(ts.today_view, 0) - COALESCE(ss.start_view, 0))
+        HAVING SUM(COALESCE(ss.start_view, 0)) != 0
         ORDER BY ${this.SORT_COL_MAPPING[sort]} DESC, u.id
         LIMIT $1;
       `;
@@ -68,7 +68,7 @@ export class LeaderboardRepository {
           AND (
             p.released_at >= '${pastDateKST}'
             OR 
-            COALESCE(ts.today_view, 0) != COALESCE(ts.today_view, 0) - COALESCE(ss.start_view, 0)
+            ss.post_id IS NOT NULL
           )
         ORDER BY ${this.SORT_COL_MAPPING[sort]} DESC, p.id
         LIMIT $1;