| Author |
Message |
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| dmitriid |
 Posted: Mon Jan 21, 2008 11:55 am |
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User
Joined: 17 Aug 2006
Posts: 213
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> in page_section.erl, add this function
>
> relations() ->
> [{many_to_one, [page]}].
>
>
Tables:
page page_section
--------- --------------
id id
title page_id
url_title section_text
section_order
Then I added
page.erl page_section.erl
--------- ----------------
-export([relations/0]) -export([relations/0])
relations() -> relations() ->
[{one_to_many, [page_section]}]. [{many_to_one, [page]}].
Then:
Page = page:find({id, '=', 1}),
Section = page:page_sections(Page).
This results in a:
ERROR erlang code crashed:
File: appmod:0
Reason: {badarg,[{erlydb_base,get_module,1},
{erlydb_base,find_related_many_to_one,5},
{view_controller,page,2},
{erlyweb,ewc,2},
{erlyweb,handle_request,6},
{yaws_server,deliver_dyn_part,8},
{yaws_server,aloop,3},
{yaws_server,acceptor0,2}]}
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| Guest |
| Posted: Wed Jan 23, 2008 7:06 am |
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Guest
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When you call page:find({id,'=',1}) it returns a list with one
element, and you're not supposed to pass this list to
page:page_sections(). What you want to do is call page:find_id(1).
Yariv
On Jan 21, 2008 3:55 AM, Dmitrii 'Mamut' Dimandt <dmitriid@gmail.com> wrote:
>
>
> > in page_section.erl, add this function
> >
> > relations() ->
> > [{many_to_one, [page]}].
> >
> >
> Tables:
>
> page page_section
> --------- --------------
> id id
> title page_id
> url_title section_text
> section_order
>
>
> Then I added
>
> page.erl page_section.erl
> --------- ----------------
> -export([relations/0]) -export([relations/0])
>
> relations() -> relations() ->
> [{one_to_many, [page_section]}]. [{many_to_one, [page]}].
>
> Then:
>
> Page = page:find({id, '=', 1}),
> Section = page:page_sections(Page).
>
> This results in a:
>
> ERROR erlang code crashed:
> File: appmod:0
> Reason: {badarg,[{erlydb_base,get_module,1},
> {erlydb_base,find_related_many_to_one,5},
> {view_controller,page,2},
> {erlyweb,ewc,2},
> {erlyweb,handle_request,6},
> {yaws_server,deliver_dyn_part,8},
> {yaws_server,aloop,3},
> {yaws_server,acceptor0,2}]}
>
>
>
>
> >
>
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| Guest |
| Posted: Wed Jan 23, 2008 7:07 am |
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Guest
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...or you can call page:page_sections(hd(Pages)).
On Jan 22, 2008 11:05 PM, Yariv Sadan <yarivsadan@gmail.com> wrote:
> When you call page:find({id,'=',1}) it returns a list with one
> element, and you're not supposed to pass this list to
> page:page_sections(). What you want to do is call page:find_id(1).
>
> Yariv
>
>
> On Jan 21, 2008 3:55 AM, Dmitrii 'Mamut' Dimandt <dmitriid@gmail.com> wrote:
> >
> >
> > > in page_section.erl, add this function
> > >
> > > relations() ->
> > > [{many_to_one, [page]}].
> > >
> > >
> > Tables:
> >
> > page page_section
> > --------- --------------
> > id id
> > title page_id
> > url_title section_text
> > section_order
> >
> >
> > Then I added
> >
> > page.erl page_section.erl
> > --------- ----------------
> > -export([relations/0]) -export([relations/0])
> >
> > relations() -> relations() ->
> > [{one_to_many, [page_section]}]. [{many_to_one, [page]}].
> >
> > Then:
> >
> > Page = page:find({id, '=', 1}),
> > Section = page:page_sections(Page).
> >
> > This results in a:
> >
> > ERROR erlang code crashed:
> > File: appmod:0
> > Reason: {badarg,[{erlydb_base,get_module,1},
> > {erlydb_base,find_related_many_to_one,5},
> > {view_controller,page,2},
> > {erlyweb,ewc,2},
> > {erlyweb,handle_request,6},
> > {yaws_server,deliver_dyn_part,8},
> > {yaws_server,aloop,3},
> > {yaws_server,acceptor0,2}]}
> >
> >
> >
> >
> > > >
> >
>
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| dmitriid |
| Posted: Wed Jan 23, 2008 7:53 am |
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Joined: 17 Aug 2006
Posts: 213
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Yariv Sadan wrote:
> ...or you can call page:page_sections(hd(Pages)).
>
It works! Thanks! 
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