I tried to enable wiki by doing the following:
def index():
    return auth.wiki()

This breaks the app with the following error:
[42000] [Microsoft][ODBC SQL Server Driver][SQL Server]Introducing FOREIGN 
KEY constraint 'wiki_page_modified_by__constraint' on table 'wiki_page' may 
cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON 
UPDATE NO ACTION, or modify other FOREIGN KEY constraints. (1785) (
SQLExecDirectW); [42000] [Microsoft][ODBC SQL Server Driver][SQL Server]
Could not create constraint. See previous errors. (1750)


The error is happening because the foreign key contraints on auth_wiki 
pages should be specified as 'no action' on delete and update. Has anyone 
else seen the problem? Am I missing something obvious or is this a bug that 
I should submit a patch for?

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