From 68e7308878bd4baac189c9e635c66b194adb9a0e Mon Sep 17 00:00:00 2001
From: Ziv Scully <ziv@mit.edu>
Date: Sun, 2 Aug 2015 18:25:42 -0700
Subject: Sqlcache allows any expression injected into SQL.

---
 src/sql.sml | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/src/sql.sml b/src/sql.sml
index 27894e3f..a04409a0 100644
--- a/src/sql.sml
+++ b/src/sql.sml
@@ -305,17 +305,11 @@ fun sqlify chs =
 
       | _ => NONE
 
-fun sqlifySqlcache chs =
-    case chs of
-      (* Could have variables or constants as well as FFIs. *)
-        Exp (e as (ERel _, _)) :: chs => SOME (e, chs)
-      (* If it is an FFI, match the entire expression. *)
-      | Exp (e as (EFfiApp ("Basis", f, [(_, _)]), _)) :: chs =>
-        if String.isPrefix "sqlify" f then
-            SOME (e, chs)
-        else
-            NONE
-      | _ => sqlify chs
+(* For sqlcache, we only care that we can do string equality on injected Mono
+   expressions, so accept any expression without modifying it. *)
+val sqlifySqlcache =
+ fn Exp e :: chs => SOME (e, chs)
+  | _ => None
 
 fun constK s = wrap (const s) (fn () => s)
 
-- 
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