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Re: from_collapse_limit considerations - Mailing list pgsql-hackers

From Tom Lane
Subject Re: from_collapse_limit considerations
Date
Msg-id 15116.1411400599@sss.pgh.pa.us
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In response to from_collapse_limit considerations  (Antonin Houska <ah@cybertec.at>)
Responses Re: from_collapse_limit considerations
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Antonin Houska <ah@cybertec.at> writes:
> I noticed that - unlike join_collapse_limit - the from_collapse_limit does not
> enforce maximum length of the top-level list. Shouldn't it do?

How would it do that?  You want it to fail outright if there are more than
N tables?  That seems unhelpful.

> Also, the order of FROM-list items seems to affect the way RTEs are grouped
> into (sub)lists.

Yeah.
        regards, tom lane

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