Re: pgsql: JSON_TABLE

On 4/4/22 18:16, Erik Rijkers wrote:
> Op 04-04-2022 om 22:23 schreef Andrew Dunstan:
>> JSON_TABLE
>
> Great that this is now committed!
>
> I notice one changed item: the NESTED-PATH-phrase does not accept an
> alias anymore.  The JSON_PATH v59 patches still had:
>
> | NESTED PATH json_path_specification [ AS path_name ]
>   COLUMNS ( json_table_column [, ...] )
>
> My complaint is only half-hearted because I don't really understand
> what the use of such nested-path aliases are.  But it's a change from
> the earlier patch, and the nested-path aliases are used too in the
> 2017-03 'Technical report ISO/IEC TR 19075-6', which is as near I have
> to a SQL Standard description.
>
> FWIW, I attach example sql+data from that .pdf from ISO (which is not
> online anymore).
>
>

These commits are being staggered. The last code patches will be
committed tomorrow.


cheers


andrew

--
Andrew Dunstan
EDB: https://www.enterprisedb.com