summaryrefslogtreecommitdiff
path: root/src/prepare.sml
diff options
context:
space:
mode:
authorGravatar Adam Chlipala <adamc@hcoop.net>2008-09-11 12:22:06 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2008-09-11 12:22:06 -0400
commit549b3c11b75bb08eb6b686d2d1a04bc0ec7647a9 (patch)
tree50b65dd78d1529f8f39632d2bae04c672e89faa9 /src/prepare.sml
parent0ee5e278e328dd8bb567932cdb99944d0fbe206f (diff)
Improve detection of opportunities for prepared statements with bool parameters
Diffstat (limited to 'src/prepare.sml')
-rw-r--r--src/prepare.sml6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/prepare.sml b/src/prepare.sml
index a6b6a4f3..20a09c9b 100644
--- a/src/prepare.sml
+++ b/src/prepare.sml
@@ -45,6 +45,12 @@ fun prepString (e, ss, n) =
SOME ("$" ^ Int.toString (n + 1) ^ "::text" :: ss, n + 1)
| EFfiApp ("Basis", "sqlifyBool", [e]) =>
SOME ("$" ^ Int.toString (n + 1) ^ "::bool" :: ss, n + 1)
+ | ECase (e,
+ [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
+ (EPrim (Prim.String "TRUE"), _)),
+ ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
+ (EPrim (Prim.String "FALSE"), _))],
+ _) => SOME ("$" ^ Int.toString (n + 1) ^ "::bool" :: ss, n + 1)
| _ => NONE