On Sat, May 26, 2018 at 6:37 PM, Adrian Klaver <adrian.kla...@aklaver.com>
wrote:
>
>
> https://www.postgresql.org/docs/10/static/sql-update.html
> "column_name
>
> The name of a column in the table named by table_name. The column name
> can be qualified with a subfield name or array subscript, if needed. Do not
> include the table's name in the specification of a target column — for
> example, UPDATE table_name SET table_name.col = 1 is invalid.
> "
>
> So it should be:
>
> SET letters = el.letters
>
>
Thank you Adrian, this has worked
