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Re: Postgresql range_agg() Return empty list

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Your update expression does not handle empty ranges properly, but
convert them into complete ranges.

https://dbfiddle.uk/Ia6wESpL

On Thu, Jul 11, 2024 at 5:55 PM Han Tang <bj.tanghan@xxxxxxxxx> wrote:
>
> Hi
>
> Hope you are doing well!
>
> I am using range_agg() function, it works fine with original table value
>
> Query Result
>
> But when I try to do some update for range value, it will give back an empty list
>
> Select range_agg(b.r)
> From (
>   Select int8range(lower(bin_range)+1, upper(bin_range)+5) as r
>   From bin_data) as b;
>
> Query Result
>
> I test with the same query in fiddle but no issue there
>
> https://dbfiddle.uk/1MRn8hn6
>
> All these query are running on pgAdmin4, wondering why it happens
>
> Thanks
> Han
>
>






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