7
如何通過hstore屬性訂購查詢結果?如何通過Rails 4中的hstore屬性來排序結果?
@items = Item.includes(:product).order('products.properties @> hstore("platform")')
原因
PG::Error: ERROR: column "platform" does not exist
LINE 1: ...oduct_id" ORDER BY products.properties @> hstore("platform"...
platform
是hstore密鑰,存儲在屬性列中,這是一個hstore類型。