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Re: sum of numeric column

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Thanks for your reply Adrian


What do you want to do with the array?
i want to do a sum of the values of numeric array type column e.g. below
 
data_numeric
--------------
 {2.0}
 {1.0}


(4 rows)



Regards


On Wed, Dec 9, 2020 at 4:49 PM Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote:
On 12/9/20 4:46 PM, avi Singh wrote:
> I have a table structure and want to do a sum of column type i.e
> numeric. How can I do it ? when i try sum function i get this error

You don't have a numeric type you have a numeric array type.

>
> ERROR:  function sum(numeric[]) does not exist

Hence the error above.

>
> Can anyone please help me with this ?

What do you want to do with the array?

>
>             Column           |           Type           | Collation |
> Nullable | Default
> ----------------------------+--------------------------+-----------+----------+---------
>   grid_id                    | bigint                   |           |
> not null |
>   as_of_date                 | date                     |           |
> not null |
>   cell_id                    | bigint                   |           |
> not null |
>   last_event_timestamp_local | timestamp with time zone |           |   
>         |
>   last_event_id              | bigint                   |           |   
>         |
>   column_id                  | bigint                   |           |   
>         |
>   column_name                | character varying(50)    |           |   
>         |
>   row_id                     | bigint                   |           |   
>         |
>   data_type_id               | smallint                 |           |   
>         |
>   data_numeric               | numeric[]                |           |   
>         |
>   data_string                | character varying[]      |           |   
>         |
>
> e.g. of values in numeric type column
>
>   data_numeric
> --------------
>   {2.0}
>   {1.0}
>
> Regards
> Prabhjot


--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx



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