(ns clojure-sql.query)

(def ^:private ^:dynamic *query-deref-behaviour* identity)
(defn set-query-deref-behaviour! [f]
  (alter-var-root #'*query-deref-behaviour* (constantly f))
  nil)

(defrecord ^:private Query [] 
  clojure.lang.IDeref
  (deref [this] (*query-deref-behaviour* this)))

(def query? (partial instance? (class (->Query))))