general purpose array_sort

From: Junwang Zhao <zhjwpku(at)gmail(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Cc: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, "andreas(at)proxel(dot)se" <andreas(at)proxel(dot)se>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>
Subject: general purpose array_sort
Date: 2024-09-27 13:15:45
Message-ID: CAEG8a3J41a4dpw_-F94fF-JPRXYxw-GfsgoGotKcjs9LVfEEvw@mail.gmail.com
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Hi hackers,

per David's suggestion, this patch implements general
purpose array sort.

We can do the following with this patch:

SELECT array_sort('{1.1,3.3,5.5,2.2,4.4,6.6}'::float8[], 'asc');
SELECT array_sort('{abc DEF 123abc,ábc sßs ßss DÉF,DŽxxDŽ džxxDž
Džxxdž,ȺȺȺ,ⱥⱥⱥ,ⱥȺ}'::text[]);
SELECT array_sort('{abc DEF 123abc,ábc sßs ßss DÉF,DŽxxDŽ džxxDž
Džxxdž,ȺȺȺ,ⱥⱥⱥ,ⱥȺ}'::text[], 'asc', 'pg_c_utf8');

--
Regards
Junwang Zhao

Attachment Content-Type Size
v1-0001-general-purpose-array_sort.patch application/octet-stream 11.1 KB

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