1 files changed, 9 insertions, 0 deletions
diff --git a/tests/filter.ur b/tests/filter.ur
new file mode 100644
index 0000000..efd326c
--- /dev/null
+++ b/tests/filter.ur
@@ -0,0 +1,9 @@
+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>)