Date: Mon, 20 May 2024 13:56:21 +0200
From: Erik Wienhold <ewie@ewie.name>
To: Laura Smith <n5d9xq3ti233xiyif2vp@protonmail.ch>
Cc: postgre <pgsql-general@lists.postgresql.org>
Subject: Re: How to update upper-bound of tstzrange ?
Message-ID: <d45bbb8e-f42d-4bce-b3b0-46bce8f18ef4@ewie.name>
References: <dwdB2YsSerbqrnxCL0GdRg7C61LmqBs4V-7-qC7t9sAq7_MY6Y76tQ4rhwHKbvJRr-6We87i_r0KHwDaf3yoxBbld1-62IPNoiZ3rtBGW8Q=@protonmail.ch>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <dwdB2YsSerbqrnxCL0GdRg7C61LmqBs4V-7-qC7t9sAq7_MY6Y76tQ4rhwHKbvJRr-6We87i_r0KHwDaf3yoxBbld1-62IPNoiZ3rtBGW8Q=@protonmail.ch>
Archived-At: <https://www.postgresql.org/message-id/d45bbb8e-f42d-4bce-b3b0-46bce8f18ef4%40ewie.name>
Precedence: bulk

On 2024-05-20 12:30 +0200, Laura Smith wrote:
> Could someone kindly help me out with the correct syntax ?
> 
> My first thought was the below but that doesn't work:
> 
> update foo set upper(bar_times)=upper(bar_times)+interval '1' hour where bar_id='abc';
> ERROR:  syntax error at or near "("
> LINE 1: update event_sessions set upper(bar_times)=upper(bar_ti...

Use the constructor function:

    UPDATE foo SET bar_times = tstzrange(lower(bar_times), upper(bar_times) + interval '1' hour);

But this does not preserve the inclusivity/exclusivity of bounds from
the input range, so you may have to pass in the third argument as well.

https://www.postgresql.org/docs/current/rangetypes.html#RANGETYPES-CONSTRUCT

-- 
Erik