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DD 6.0.2 - forcing a cache refresh?

Adam Stoller

Is there a way to force DD to refresh its cache of the dbschema without stopping and starting the server?

We ran into this problem today while trying to develop our DD client config. If you make changes, DD doesn't refresh its cache with regard to the dbschema and then complains about all sorts of things. Stop and start the server - run the exact same deployment, and DD is happy.

It seems to me that DD should maintain a timestamp on the files it caches and be able to determine if it needs to reload them when a run is started by comparing the current timestamp with the cached timestamp.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

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Migrateduser

Just so I understand...

Is the issue that you run a deployment with a certain dbschema in your config file. Then you change the schema and want to rerun the deployment? What is changing between deployments, the value-from-field or something?

Mariam

Adam Stoller

We had so many problems trying to do the "whole" thing (DCR -> DB), that we're trying to build it up in pieces - so what's changing is either the number of groups or the number of columns within a group (and yes, the tables in the DB were handled manually between runs).

I don't have a direct example to provide right now - as I was actually the observer instead of the implementor this time - but it caused a lot of confusion for the person who was trying to implement it.

If I can get a more detailed example for you I will - but I think the above is the basis of the complaint. It may also have involved changing certain keys from foreign to not foreign or primary to not primary, etc. -- Again, having dropped and/or cleared out tables in between runs (including the IWOD ones) so that we weren't trying to "fit square pegs into round holes".

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

Query.zip

Migrateduser

Did you check out the check-schema and schema-helper-cleanup-interval attributes? There might be some others too related to the schema cache.

mariam