Not a solution but for
reference:
http://stackoverflow.com/questions/851625/foreign-key-constraint-may-cause-cycles-or-multiple-cascade-paths
On Thursday, 1 November 2012 09:39:47 UTC-5, Patrick Büchler wrote:
>
> Dear All,
>
> I plan to use web2py for an internal wiki. I wanted to use SQL Server as
> database, however, when I try to run my application I get:
>
> pyodbc.ProgrammingError: ('42000', "[42000] [Microsoft][ODBC SQL Server
>> Driver][SQL Server]Introducing FOREIGN KEY constraint
>> 'wiki_page_modified_by__constraint' on table 'wiki_page' may cause cycles$
>
>
> What should I do? I could switch to my sql but maybe someone knows a quick
> solution whic allows me to keep sql server?
>
> Thanks for the efforts
>
> Patrick
>
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