redirect invalid URLs in blog.sql

Author: lovasoa

examples/official-site/blog.sql

@@ -1,3 +1,6 @@
+select 'redirect' as component, '/blog.sql' as link
+where ($post IS NULL AND sqlpage.path() <> '/blog.sql') OR ($post IS NOT NULL AND NOT EXISTS (SELECT 1 FROM blog_posts WHERE title = $post));
+
 select 'dynamic' as component, properties FROM example WHERE component = 'shell' LIMIT 1;
 
 SELECT 'text' AS component,