thank you for the info
regards,Karol Bieniaszewski
-------- Oryginalna wiadomość --------
Od: Dmitry Yemanov <firebi...@yandex.ru>
Data: 17.09.2015 14:23 (GMT+01:00)
Do: For discussion among Firebird Developers
<firebird-devel@lists.sourceforge.net>
Temat: Re: [Firebird-devel] Explained plan - sub plan
17.09.2015 14:42, liviuslivius wrote:
>
> is this possible to have information about sub plans in plan itself
This is theoretically possible for subqueries inside FROM and WHERE
clauses, but not for subqueries inside the select list (except derived
tables and CTEs). But it's not just about the plan output, it requires
engine code changes. Definitely not for v3.
> PS. i saw somewhere info about including more stats in Explained Plan -
> when can we expect this? :)
The intention was for v3 but that's unlikely. We still don't have the
core statistics propagated at the every level of the plan.
Dmitry
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