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Postgres: print SQLSTATE on DML failure, to help figure out when new special cases should be added
author Adam Chlipala <adam@chlipala.net>
date Wed, 27 Nov 2013 15:42:24 -0500
parents a613cae954ca
children
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val x : transaction int = Monad.liftM2 plus (return 1) (return 2)

val x : transaction xbody = List.mapXiM (fn i x => return <xml><li>{[i]} = {[x]}</li></xml>) (1 :: 2 :: [])