anchor.diff:  [source, clojure]
   ----
   (-> (dsl/select-one)
  -    (dsl/from ["book" "b"]
  -              ["article" "a"])
  +    (dsl/from '("book" "b")
  +              '("article" "a"))
       (fmt/get-sql))
   ;; => "select 1 from book \"a\", article \"b\""
   ----
  
positive.code: [source, clojure]
  ----
  (-> (dsl/select :name)
      (dsl/from ["book" "b"])
      (dsl/join ["author" "a"])
      (dsl/on "b.author_id = a.id")
      (fmt/get-sql))
  ;; => "select name from book \"b\" join author \"a\" on (b.author_id = a.id)"
  
negative.code: 
  [source, clojure]
  ----
  (-> (dsl/select '("length(book.title)" "title_length"))
      (dsl/from :book)
      (fmt/get-sql))
  ;; => "select length(book.title) \"title_length\" from book"
  