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Refactor SQL parsing code from Iflow to Sql, add querydml parser.
author Edward Z. Yang <ezyang@mit.edu>
date Mon, 12 Mar 2012 12:00:23 -0700
parents 6d9538ce94d8
children
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line source
fun filter [fs ::: {Type}] [ks] (t : sql_table fs ks) (p : sql_exp [T = fs] [] [] bool)
   : sql_query [T = fs] [] =
   (SELECT * FROM t WHERE {p})

table t : { A : int, B : float }

fun main () =
    queryX (filter t (WHERE t.A > 3))
           (fn r => <xml>{[r.T.A]}, {[r.T.B]}</xml>)