so you can confirm this is only for custom SQL + column_property(), not
a regular column right? definitely a bug for 1.2 if you can post it up
On 05/10/2017 12:37 PM, Kent wrote:
I'm thinking that should be
*"if p.expire_on_flush and p.key in state.dict"*
On Wednesday, May 10, 2017 at 11:35:30 AM UTC-4, Kent wrote:
deferred column_properties may be less-efficient subquery selects
(and thus marked deferred). When a flush occurs that updates an
object, any read-only column_properties are marked as expired, even
if they weren't even loaded. This means if the object needs to be
refreshed, all these deferred column properties are loaded.
We probably want the behavior to only expire read-only attributes
that were actually loaded, right?
See attached script. This behavior is as of 1.1.1
Thoughts?
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