From: | "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org> |
---|---|
To: | jian he <jian(dot)universality(at)gmail(dot)com> |
Cc: | David Rowley <dgrowleyml(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, chelseadole(at)gmail(dot)com |
Subject: | Re: PostgreSQL 16 release announcement draft |
Date: | 2023-08-24 15:23:31 |
Message-ID: | b172b11a-92b2-356e-7450-c801489ecfd9@postgresql.org |
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Thread: | |
Lists: | pgsql-hackers |
On 8/24/23 11:16 AM, jian he wrote:
> hi. Can you check my first email about "a" versus "the" and "pg_stat_activity".
I did when you first sent it, and did not make any changes.
> also:
> "including the `\bind` command, which allows
> users to execute parameterized queries (e.g `SELECT $1 + $2`) then use `\bind`
> to substitute the variables."
>
> The example actually is very hard to reproduce. (it's not that super intuitive).
> fail case:
> test16-# SELECT $1 + $2 \bind 1 2
> test16-# ;
>
> a better example would be (e.g `SELECT $1 , $2`).
> The semicolon still needed to be in the next line.
I agree with updating the example, I'd propose:
SELECT $1::int + $2::int \bind 1 2 \g
which mirrors what's in the docs[1]
Thanks,
Jonathan
[1]
https://www.postgresql.org/docs/16/app-psql.html#APP-PSQL-META-COMMAND-BIND
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