From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
---|---|
To: | Bryn Llewellyn <bryn(at)yugabyte(dot)com> |
Cc: | pgsql-general list <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Where's the doc for "array()" — as in "select array(values (17), (42))" |
Date: | 2022-09-19 14:29:00 |
Message-ID: | 320057f4-f55a-2532-2d68-51253b5bbfbc@aklaver.com |
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Lists: | pgsql-general |
On 9/18/22 21:20, Bryn Llewellyn wrote:
>
> Thanks. I can't, even now, formulate a search that finds this—unless I
> know that it's a kind of array constructor. (I'll concede, with the
> benefit of hindsight, that I should have thought of that.) I hope that
> I'll be able to learn to navigate the PG docs better over time.
The way I found it:
1) Use documentation search box.
2) Enter array(
3) It was in the fifth item PostgreSQL: Documentation: 14: 4.2. Value
Expressions. The first four dealt with functions or the index and I knew
they where not relevant.
>
> Why is the "array()" constructor not found in "pg_proc"? After all,
> section 4.2.12 refers to "array_agg()" as a constructor. And that *is*
> found in "pg_proc".
The only place I see array_agg in 4.2.x is 4.2.7. Aggregate Expressions.
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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