Ergaenze Website-URL am Marktstamm

db/migrations/0025_market_definition_website_url.sql

@@ -0,0 +1,10 @@
+BEGIN;
+
+ALTER TABLE market_definition
+  ADD COLUMN website_url TEXT;
+
+ALTER TABLE market_definition
+  ADD CONSTRAINT chk_market_definition_website_url
+  CHECK (website_url IS NULL OR website_url ~* '^https?://');
+
+COMMIT;