Horton

Re: Implement missing join selectivity estimation for range types

Tomas Vondra <tomas.vondra@enterprisedb.com>

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From: Tomas Vondra <tomas.vondra@enterprisedb.com>
To: Mahmoud Sakr <mahmoud.sakr@ulb.be>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Cc: SCHOEMANS Maxime <Maxime.Schoemans@ulb.be>, Diogo Repas <diogo.repas@gmail.com>, Luo Zhicheng <zhicheng.luo@ulb.be>, Andrey Lepikhov <a.lepikhov@postgrespro.ru>
Date: 2023-01-18T18:07:23Z
Lists: pgsql-hackers 
Also, calc_hist_selectivity_contains in multirangetypes_selfuncs.c needs
a proper comment, not just "this is a copy from rangetypes".

However, it seems the two functions are exactly the same. Would the
functions diverge in the future? If not, maybe there should be just a
single shared function?

regards

-- 
Tomas Vondra
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