views

migrations/development/sqlite3/003-views.sql

@@ -0,0 +1,36 @@
+-- +migrate Up
+
+-- +migrate StatementBegin
+CREATE VIEW IF NOT EXISTS threads_view AS 
+	SELECT t.ID,
+	           t.AuthorID,
+	           t.Title,
+	           t.Created,
+	           t.URL,
+	           t.Score,
+	           t.AuthorName,
+	           coalesce(COUNT(c.id), 0) AS CommentCount
+	      FROM (
+	               SELECT threads.id AS ID,
+	                      threads.author_id AS AuthorID,
+	                      threads.title AS Title,
+	                      threads.created AS Created,
+	                      threads.url AS URL,
+	                      u.username AS AuthorName,
+	                      coalesce(SUM(thread_votes.score), 0) AS Score
+	                 FROM threads
+	                      JOIN
+	                      users u ON u.id = threads.author_id
+	                      LEFT JOIN
+	                      thread_votes ON thread_votes.thread_id = threads.id
+	                GROUP BY threads.id
+	           )
+	           t
+	           LEFT JOIN
+	           comments c ON c.thread_id = t.ID
+	           GROUP BY t.id
+-- +migrate StatementEnd		
+
+
+-- +migrate Down
+DROP VIEW IF EXISTS threads_view