参数sql查询在sql中查找

Question

如何通过sql传递参数sql查询

Answer 1

文档解释了这一切.你这样做,其中author_id和start_date是传入的参数.

Post.find_by_sql ["SELECT title FROM posts WHERE author = ? AND created > ?", author_id, start_date]

http://api.rubyonrails.org/classes/ActiveRecord/Base.html#method-c-find_by_sql