[erlang-questions] Can't create schema in Mnesia
Sun Jan 19 03:38:38 CET 2014
Could give us what is the result of
rp(lists:sort(mnesia:module_info(exports))). in the shell ?
Maybe the mnesia library is not installed ?
Le Sun, 19 Jan 2014 03:35:57 +0100, Yves S. Garret
<> a écrit:
> Done, no change:
> 19> c(mnes).
> 20> rr("records.hrl").
> 21> mnes:setup().
> ** exception error: undefined function mnesia:create_schema/1
> in function mnes:setup/0 (mnes.erl, line 24)
> Here is records.hrl:
> On Sat, Jan 18, 2014 at 9:32 PM, Bob Ippolito <> wrote:
>> Rename the module to something other than mnesia, there's a flat module
>> namespace and only one module named mnesia can be loaded at a time.
>> On Saturday, January 18, 2014, Yves S. Garret
>>> Hello all,
>>> I have the following code:
>>> When I compile and reload the records, this is what happens:
>>> 14> c(mnesia).
>>> 15> rr("records.hrl").
>>> 16> mnesia:setup().
>>> ** exception error: undefined function mnesia:create_schema/1
>>> in function mnesia:setup/0 (mnesia.erl, line 25)
>>> The function _does_ exist in the mnesia module. I checked the docs and
>>> I'm running 16B03, so it's there. But why this error?
>>> Also, I have an another question. Lets say I'm testing some code and I
>>> comment out where I'm calling a function (located in the same file.)
>>> can I tell the compiler to not worry about this file not being
>>> called? I
>>> know I can for variables such as _Variable, but methods?
Utilisant le logiciel de courrier révolutionnaire d'Opera :
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