Hi,
I am having a frustrating time with the tutorial and I am not
experienced enough with Erlang to see what is happening.
I am trying out the models and this happens:
15> f().
ok
16> Cheer = category:find({title, '=', <<"Cheer">>}).
mysql_conn:426: fetch <<"SELECT * FROM category WHERE (title =
'Cheer')">> (id <0.59.0>)
[{category,false,1,<<"Cheer">>,
<<"kermit shouts: Appluase, Applause, Applause">>}]
17> E1 = entry:new(<<"Welcome to my new blog">>, <<"hello world, this
is my first Erlang App.">>, [], Cheer).
{entry,true,undefined,<<"Welcome to my new blog">>,
<<"hello world, this is my first Erlang App.">>,[],
[{category,false,1,<<"Cheer">>,
<<"kermit shouts: Appluase, Applause, Applause">>}]}
18> entry:save(E1).
mysql_conn:426: fetch <<"BEGIN">> (id <0.59.0>)
mysql_conn:426: fetch <<"ROLLBACK">> (id <0.59.0>)
** exception exit: {{'EXIT',
{badarg,
[{erlang,iolist_to_binary,
[{'EXIT',
{badarg,
[{erlang,list_to_binary,
[[39,
{category,false,1,<<"Cheer">>,
<<"kermit shout"...>>},
39]]},
{erlsql,encode,2},
{erlsql,'-make_list/2-fun-0-',3},
{lists,foldl,3},
{erlsql,make_list,2},
{erlsql,'-insert/3-fun-2-',1},
{erlsql,'-make_list/2-fun-0-',3},
{lists,foldl,3}]}}]},
{mysql_conn,do_query,5},
{erlydb_mysql,update,2},
{erlydb_base,'-do_save/1-fun-0-',4},
{mysql_conn,do_transaction,2},
{mysql_conn,loop,1}]}},
{rollback_result,{updated,{mysql_result,[],[],0,
[]}}}}
in function erlydb_base:do_save/1
in call from erlydb_base:hook/4
19>
Could someone give me a pointer on what is wrong and how to
investigate this sort of issue in future?
Thanks
Tom
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