> CORE-3073 [1] requires special BLR verb meaning "get the default value 
> of a field". There is request to expose the same functionality in SQL 
> too, but doesn't matter here.
> 
> These cascade triggers are system triggers but are backed-up and 
> restored. If we use new BLR on them, downgrades via gbak will not work.
> 
> So is this acceptable, that in some cases people must recreate database 
> from script to downgrade?

    Is it possible to make v2.5.2 also understand and execute (but not 
generate) 
this new blr verb ? It will enable to downgrade 3.0 -> 2.5.2.

Regards,
Vlad

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