Re: Do we want a hashset type?

From: "Joel Jacobson" <joel(at)compiler(dot)org>
To: "jian he" <jian(dot)universality(at)gmail(dot)com>, "Tomas Vondra" <tomas(dot)vondra(at)enterprisedb(dot)com>
Cc: "Tom Dunstan" <pgsql(at)tomd(dot)cc>, "Andrew Dunstan" <andrew(at)dunslane(dot)net>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Do we want a hashset type?
Date: 2023-06-23 08:23:14
Message-ID: 14d3e3f9-c465-4296-bcaa-bef1ab206841@app.fastmail.com
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On Fri, Jun 23, 2023, at 08:40, jian he wrote:
> I played around array_func.c
> many of the code can be used for multiset data type.
> now I imagine multiset as something like one dimension array. (nested
> is somehow beyond the imagination...).

Are you suggesting it might be a better idea to start over completely
and work on a new code base that is based on arrayfuncs.c,
and aim for MULTISET/SET or anyhashset from start, that would not
only support int4/int8/uuid but any type?

/Joel

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