chore(server): simplify search face query and better clustering (#5573)

* chore(server): simplify search face query and better clustering

* update sql

* Use correct syntax for utilizing the index

* Update sql

server/src/infra/repositories/smart-info.repository.ts

@@ -88,7 +88,7 @@ export class SmartInfoRepository implements ISmartInfoRepository {
         .select('1 + (faces.embedding <=> :embedding)', 'distance')
         .innerJoin('faces.asset', 'asset')
         .where('asset.ownerId = :ownerId')
-        .orderBy(`faces.embedding <=> :embedding`)
+        .orderBy('1 + (faces.embedding <=> :embedding)')
         .setParameters({ ownerId, embedding: asVector(embedding) })
         .limit(numResults);
 

server/src/infra/sql/smart.info.repository.sql

@@ -98,7 +98,7 @@ WITH
     WHERE
       "asset"."ownerId" = $2
     ORDER BY
-      "faces"."embedding" <= > $3 ASC
+      1 + ("faces"."embedding" <= > $3) ASC
     LIMIT
       100
   )