Re: SQL:2023 JSON simplified accessor support

From: jian he <jian(dot)universality(at)gmail(dot)com>
To: Alexandra Wang <alexandra(dot)wang(dot)oss(at)gmail(dot)com>
Cc: Peter Eisentraut <peter(at)eisentraut(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Andrew Dunstan <andrew(dot)dunstan(at)enterprisedb(dot)com>
Subject: Re: SQL:2023 JSON simplified accessor support
Date: 2024-10-04 12:33:07
Message-ID: CACJufxGKTN=bc73-Zhezz+7Gfy_sH8PyoVpd2Jf9wHgJ6ymmqw@mail.gmail.com
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On Thu, Sep 26, 2024 at 11:45 PM Alexandra Wang
<alexandra(dot)wang(dot)oss(at)gmail(dot)com> wrote:
>
> Hi,
>
> I didn’t run pgindent earlier, so here’s the updated version with the
> correct indentation. Hope this helps!
>

the attached patch solves the domain type issue, Andrew mentioned in the thread.

I also added a test case: composite over jsonb domain type,

it still works. for example:
create domain json_d as jsonb;
create type test as (a int, b json_d);
create table t1(a test);
insert into t1 select $$(1,"{""a"": 3, ""key1"": {""c"": ""42""},
""key2"": [11, 12]}") $$;
insert into t1 select $$ (1,"{""a"": 3, ""key1"": {""c"": ""42""},
""key2"": [11, 12, {""x"": [31, 42]}]}") $$;

select (t1.a).b.key2[2].x[1] from t1;
select (t1.a).b.key1.c from t1;

Attachment Content-Type Size
v4-0001-make-simplified-accessor-works-with-domain-ove.no-cfbot application/octet-stream 7.3 KB

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