30.07.2015 18:22, Vlad Khorsun wrote:
>     To be serious, it also prevents on TRA layer - when you start transaction
> at read-only database, engine adds TRA_readonly flag to it. But you run
> MODIFY in system transaction and bypass this barrier.
>
>     BTW, it seems we could add more safety moving check for system tx after
> check for read-only DB in RLCK_reserve_relation

   What's the point to have system transaction read-write?

-- 
   WBR, SD.

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