On Mon, Nov 2, 2020 at 05:05:29PM +0200, Eugen Konkov wrote: > Hello Pgsql-hackers, > > When selecting data from json column it named as '?column?' > tucha=# select info->>'suma', docn from document order by id desc limit 5; > ?column? | docn > ----------+------ > 665.97 | 695 > 513.51 | 632 > 665.97 | 4804 > 492.12 | 4315 > 332.98 | 1302 > (5 rows) > > It would be useful if the name of column will be autoassigned based on > name of json key. Like at next query: > > tucha=# select info->>'suma' as suma, docn from document order by id desc > limit 5; > suma | docn > --------+------ > 665.97 | 695 > 513.51 | 632 > 665.97 | 4804 > 492.12 | 4315 > 332.98 | 1302 > (5 rows) > > > Would it be useful this auto assigned name for column from json?
I think we could do it, but it would only work if the column was output as a single json value, and not a multi-key/value field. I am afraid if we tried to do it, the result would be too inconsistent to be useful. -- Bruce Momjian <br...@momjian.us> https://momjian.us EnterpriseDB https://enterprisedb.com The usefulness of a cup is in its emptiness, Bruce Lee
