Add designers.no_follow

migrations/000.005.sql

@@ -0,0 +1,9 @@
+DO $$
+    BEGIN
+        BEGIN
+            ALTER TABLE designers ADD COLUMN no_follow INT DEFAULT 0;
+        EXCEPTION
+            WHEN duplicate_column THEN RAISE NOTICE 'column <column_name> already exists in <table_name>.';
+        END;
+    END;
+$$