https://christosgkoros.com/tags/query-language/ Recent content in Query-Language on christos gkoros Hugo -- gohugo.io en-us Thu, 06 Aug 2026 09:00:00 +0300 https://christosgkoros.com/posts/2026/08/06/every-api-invents-a-query-language/ Thu, 06 Aug 2026 09:00:00 +0300 https://christosgkoros.com/posts/2026/08/06/every-api-invents-a-query-language/ The moment it happensYou ship GET /pets. Someone asks to filter by status, so you add ?status=available. Then by species. Then someone wants cats or dogs, and a query string has no way to say “or”, so you invent something — ?species=cat,dog — and quietly decide that commas mean OR today. Then someone wants pets born after 2020, excluding the adopted ones, and you find yourself designing a grammar inside a query parameter.