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authorGravatar Adam Chlipala <adam@chlipala.net>2010-09-05 14:00:57 -0400
committerGravatar Adam Chlipala <adam@chlipala.net>2010-09-05 14:00:57 -0400
commitee175ea1f9151123e47d9cbfee0c6329b2e5d934 (patch)
treeb1f65d2c756f6867bc59eb1a0bb424deefacfabe /lib
parent1d30544730c4785eef4aabc4a224c03fe1b26983 (diff)
tryDml
Diffstat (limited to 'lib')
-rw-r--r--lib/ur/basis.urs2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index c06482ed..6cd9915e 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -535,6 +535,8 @@ val query : tables ::: {{Type}} -> exps ::: {Type}
type dml
val dml : dml -> transaction unit
+val tryDml : dml -> transaction (option string)
+(* Returns an error message on failure. *)
val insert : fields ::: {Type} -> uniques ::: {{Unit}}
-> sql_table fields uniques