From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
Cc: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Increase value of OUTER_VAR |
Date: | 2021-03-04 19:01:13 |
Message-ID: | 1407829.1614884473@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Just as a proof of concept, I tried the attached, and it passes
check-world. So if there's anyplace trying to stuff OUTER_VAR and
friends into bitmapsets, it's pretty far off the beaten track.
The main loose ends that'd have to be settled seem to be:
(1) What data type do we want Var.varno to be declared as? In the
previous thread, Robert opined that plain "int" isn't a good choice,
but I'm not sure I agree. There's enough "int" for rangetable indexes
all over the place that it'd be a fool's errand to try to make it
uniformly something different.
(2) Does that datatype change need to propagate anywhere besides
what I touched here? I did not make any effort to search for
other places.
regards, tom lane
Attachment | Content-Type | Size |
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remove-64k-rangetable-limit-wip.patch | text/x-diff | 2.8 KB |
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