| From: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
|---|---|
| To: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Beena Emerson <memissemerson(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] path toward faster partition pruning |
| Date: | 2018-02-21 01:19:01 |
| Message-ID: | CAKJS1f90oDcPhw1BG3HgSwu1TnRSHd0kRkdL0gMO2jyP1a=DSg@mail.gmail.com |
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| Lists: | pgsql-hackers |
v30-0004-Faster-partition-pruning.patch contains:
+create table coll_pruning_multi (a text) partition by range
(substr(a, 1) collate "en_GB", substr(a, 1) collate "en_US");
This'll likely work okay on Linux. Other collate tests seem to use
COLLATE "POSIX or "C" so that work cross-platform.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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