chore: simplify sql4

Signed-off-by: Xeu <thankrain@qq.com>

Author: OXeu

server/src/services/feed.ts

@@ -324,12 +324,12 @@ export function FeedService() {
             }
             const cacheKey = `search_${keyword}`;
             const searchKeyword = `%${keyword}%`;
-            const where = or(like(feeds.title, searchKeyword),
+            const whereClause = or(like(feeds.title, searchKeyword),
                     like(feeds.content, searchKeyword),
                 like(feeds.summary, searchKeyword),
                 like(feeds.alias, searchKeyword));
             const feed_list = (await cache.getOrSet(cacheKey, () => db.query.feeds.findMany({
-                where: admin ? where : and(where, eq(feeds.draft, 0)),
+                where: admin ? whereClause : and(whereClause, eq(feeds.draft, 0)),
                 columns: admin ? undefined : {
                     draft: false,
                     listed: false