It should work. Could be a bug specific to using pyodbc. Have you tried it
with other databases/drivers? Feel free to file a PyDAL issue.
Anthony
On Tuesday, April 3, 2018 at 12:40:50 PM UTC-4, Brian M wrote:
>
> I've been playing with caching and looking through the mailing list and
> have a bit of confusion about whether or not you can actually cache DAL
> Selects with anything other than cache.ram due to issues with what
> can/cannot be pickled. When I use
>
> db(...).select(...,cache=(cache.disk, 300), cacheable=True)
>
> Caching works just fine. But if I try it with cache.disk or cache.redis
> instead then I get errors which seem to be related to not being able to
> unpickle the cached select results.
>
> type 'exceptions.TypeError'> ("cannot create 'pyodbc.Row' instances",
> <type 'pyodbc.Row'>, ....)
>
>
> This, admittedly old, post seems to suggest that cache.redis should be
> pretty much drop-in for cache.ram but that's not my experience.
> https://groups.google.com/forum/?fromgroups#!searchin/web2py/caching$20model$20data/web2py/Tn4TiLPScII/jtMR1KtT4V8J
>
>
> So does the ability to cache DAL Selects really only exist for cache.ram
> or am I missing something?
>
>
> Brian
>
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