From 8f4246da6d15f2f3925573e021493ad15da7eb68 Mon Sep 17 00:00:00 2001
From: hpkoh <53825802+hpkoh@users.noreply.github.com>
Date: Sun, 6 Nov 2022 01:11:51 +0800
Subject: [PATCH] [questions][feat] update text search (#511)

---
 .../router/questions/questions-question-router.ts      | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/apps/portal/src/server/router/questions/questions-question-router.ts b/apps/portal/src/server/router/questions/questions-question-router.ts
index 4d506b94..51e33802 100644
--- a/apps/portal/src/server/router/questions/questions-question-router.ts
+++ b/apps/portal/src/server/router/questions/questions-question-router.ts
@@ -235,9 +235,8 @@ export const questionsQuestionRouter = createRouter()
         .$queryRaw`
         SELECT id FROM "QuestionsQuestion"
         WHERE
-          to_tsvector("content") @@ to_tsquery('english', ${query})
-        ORDER BY ts_rank_cd(to_tsvector("content"), to_tsquery('english', ${query}), 4) DESC
-        LIMIT 3;
+          ts_rank_cd(to_tsvector("content"), to_tsquery(${query}), 32) > 0.7
+        ORDER BY ts_rank_cd(to_tsvector("content"), to_tsquery('english', ${query}), 4) DESC;
       `;
 
       const relatedQuestionsIdArray = relatedQuestionsId.map(
@@ -315,9 +314,8 @@ export const questionsQuestionRouter = createRouter()
           .$queryRaw`
           SELECT id FROM "QuestionsQuestion"
           WHERE
-            to_tsvector("content") @@ to_tsquery('english', ${query})
-          ORDER BY ts_rank_cd(to_tsvector("content"), to_tsquery('english', ${query}), 4) DESC
-          LIMIT 3;
+            ts_rank_cd(to_tsvector("content"), to_tsquery(${query}), 32) > 0.7
+          ORDER BY ts_rank_cd(to_tsvector("content"), to_tsquery('english', ${query}), 4) DESC;
         `;
       }