On Wed, 28 Apr 2004 12:02:44 -0400, Alvaro Herrera
>In fact, I think we should mark ERROR as aborting the whole transaction
>tree, and create a new level which would abort the innermost
>subtransaction.  We would then change whatever is appropiate to the new
>elevel.  Doing otherwise would leave us open to unexpected conditions
>causing only subtrans abort, which could lead to unreliable behavior.

Why?  Subtransaction commit propagates an error state to the parent
transaction.  And if a subtransaction is rolled back the parent can
continue cleanly no matter what was the reason for the subtrans abort.


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