{"id": "changelog:magic-parameters-for-canned-queries", "page": "changelog", "ref": "magic-parameters-for-canned-queries", "title": "Magic parameters for canned queries", "content": "Canned queries now support  Magic parameters , which can be used to insert or select automatically generated values. For example: \n                 insert into logs\n  (user_id, timestamp)\nvalues\n  (:_actor_id, :_now_datetime_utc) \n                 This inserts the currently authenticated actor ID and the current datetime. ( #842 )", "breadcrumbs": "[\"Changelog\", \"0.45 (2020-07-01)\"]", "references": "[{\"href\": \"https://github.com/simonw/datasette/issues/842\", \"label\": \"#842\"}]"}