replace sql mostly with sqlc

grpc-backend/sqlc/query/beatmap.sql

@@ -12,17 +12,20 @@ SELECT * FROM Beatmap WHERE MD5Hash = ?;
 -- name: GetBeatmapCount :one
 SELECT COUNT(*) FROM Beatmap;
 
+-- name: GetBeatmapSetCount :one
+SELECT COUNT(*) FROM Beatmap GROUP BY BeatmapSetId;
+
 -- name: GetRecentBeatmaps :many
-SELECT BeatmapId, MD5Hash, Title, Artist, Creator, Folder, File, Audio, TotalTime
+SELECT *
 FROM Beatmap GROUP BY Folder ORDER BY LastModifiedTime DESC LIMIT ? OFFSET ?;
 
 -- name: SearchBeatmaps :many
-SELECT BeatmapId, MD5Hash, Title, Artist, Creator, Folder, File, Audio, TotalTime 
+SELECT * 
 FROM Beatmap 
 WHERE Title LIKE ? OR Artist LIKE ? 
 LIMIT ? OFFSET ?;
 
--- name: GetArtists :many
+-- name: SearchArtists :many
 SELECT Artist, COUNT(Artist) AS count
 FROM Beatmap 
 WHERE Artist LIKE ? OR Title LIKE ?

grpc-backend/sqlc/query/collection.sql

@@ -4,15 +4,19 @@ INSERT INTO Collection (Name, MD5Hash) VALUES (?, ?);
 -- name: GetCollectionCountByName :one
 SELECT COUNT(*) FROM Collection WHERE Name = ?;
 
--- name: GetCollections :many
-SELECT c.Name, COUNT(b.MD5Hash) AS Count, MIN(b.Folder) AS Folder, MIN(b.File) AS File
-FROM Collection c
+-- name: SearchCollection :many
+SELECT 
+  c.Name, 
+  COUNT(b.MD5Hash) AS Count, 
+  b.Folder, 
+  b.File
+  FROM Collection c
 JOIN Beatmap b ON c.MD5Hash = b.MD5Hash
 WHERE c.Name LIKE ?
 GROUP BY c.Name
 LIMIT ? OFFSET ?;
 
--- name: GetCollection :many
+-- name: GetCollectionByOffset :many
 SELECT 
   c.Name, 
   b.BeatmapId, 
@@ -26,13 +30,14 @@ SELECT
   b.TotalTime
 FROM Collection c
 JOIN Beatmap b ON c.MD5Hash = b.MD5Hash
-JOIN (
-  SELECT DISTINCT Name
+WHERE c.Name = (
+  SELECT Name
   FROM Collection
+  GROUP BY Name
   ORDER BY Name
-  LIMIT 1 OFFSET ?
-) selected_name ON c.Name = selected_name.Name
-LIMIT ? OFFSET ?;
+  LIMIT 1 OFFSET ?1
+)
+LIMIT ?2 OFFSET ?3;
 
 -- name: GetCollectionByName :many
 SELECT c.Name, b.BeatmapId, b.MD5Hash, b.Title, b.Artist, b.Creator, b.Folder, b.File, b.Audio, b.TotalTime