Executes an (optionally parameterized) SQL prepared statement on the open database connection. Each param-group is a seq of values for all of the parameters.
; clojure/contrib/sql.clj:88 (defn do-prepared [sql & param-groups] (with-open [stmt (.prepareStatement (connection) sql)] (doseq [param-group param-groups] (doseq [[index value] (map vector (iterate inc 1) param-group)] (.setObject stmt index value)) (.addBatch stmt)) (transaction (seq (.executeBatch stmt)))))
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