Hi folks -

Just a reminder that the majority of the enginefacade implementation is up for 
review, see that at: https://review.openstack.org/#/c/138215/.    Needs a lot 
more people looking at it.

Matthew Booth raised a good point which I also came across, which is of 
transactions that are “read only”.   What is the opinion of openstack-dev for a 
transaction that is marked as “reader” and emits only SELECT statements, do we 
prefer that it COMMIT at the end or just ROLLBACK?    Doesn’t matter much to 
me.  In my own work I tend to use ROLLBACK, but the current design of most 
openstack database code I see is doing simple “with session.begin()”, which 
means it’s currently all COMMIT.

Thanks for your attention!

- mike


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