feat: statements for studios table added

modules/backend/queries.sql

@@ -13,6 +13,20 @@ SELECT id, avatar_id, mail, nickname, disp_name, user_desc, creation_date
 FROM users
 WHERE id = $1;
 
+
+-- name: GetStudioByID :one
+SELECT *
+FROM studios
+WHERE id = sqlc.arg('studio_id')::int;
+
+-- name: InsertStudio :one
+INSERT INTO studios (studio_name, illust_id, studio_desc)
+VALUES (
+    sqlc.arg('studio_name')::text, 
+    sqlc.narg('illust_id')::bigint,
+    sqlc.narg('studio_desc')::text)
+RETURNING id, studio_name, illust_id, studio_desc;
+
 -- -- name: ListUsers :many
 -- SELECT user_id, avatar_id, passhash, mail, nickname, disp_name, user_desc, creation_date
 -- FROM users