[plt-scheme] bzlib/dbi error trying to insert a null value

My bug.  Fixed in version 1.5 of mysql.plt, which I just uploaded to PLaneT.

Thanks for the report!

-Jon





On Thu, Oct 1, 2009 at 4:46 PM, Scott Hickey <sshickey at qwest.net> wrote:

> Using the latest dbi + jazmysql, I get an error trying to insert a null
> value into column defined as nullable in MySQL.
>
> Also, I added code that is MySQL specific to return the row id for the row
> inserted. Is there a database agnostic way to get that id using the dbi
> module?
>
>
> (define (get-handle) (connect 'jazmysql "localhost" 3306 "golfscore"
> "golfscore" '#:schema "golfscore"))
>
>
> (define-struct hole_played (hole_number par score putts fairway_hit
> round_played_id [id #:auto] ))
>
> (define (insert-hole_played hp)
>  (let ((a-handle (get-handle)))
>    (exec a-handle "insert into hole_played (hole_number, par, score, putts,
> fairway_hit, round_played_id)
> VALUES (?hole_number, ?par, ?score, ?putts, ?fairway_hit,
> ?round_played_id)"
>          `( (hole_number . ,(hole_played-hole_number hp))
>             (par . ,(hole_played-par hp))
>             (score . ,(hole_played-score hp))
>             (putts . ,(hole_played-putts hp))
>             (fairway_hit . ,(hole_played-fairway_hit hp))
>             (round_played_id . ,(hole_played-round_played_id hp))))
>    (caadr (query a-handle "select LAST_INSERT_ID()" '()))))
>
> (insert-hole_played (make-hole_played 1 4 4 2 null 1))
>
>
> uncaught exception: #<exn:mysql errno=1210 sqlstate="HY000"
> message="Incorrect arguments to mysql_stmt_execute">
>
>
> Scott Hickey
> Senior Consultant
> Object Partners, Inc.
>
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