Hello Bruce, Wednesday, November 11, 2020, 5:56:08 PM, you wrote:
> 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. cool, thank you. -- Best regards, Eugen Konkov
