On Tue, Oct 15, 2019 at 03:53:07AM +0000, PG Doc comments form wrote: > the table 9.40, json and jsonb operators > lists '->>' and '#>>' operators and the difference written is the second one > go to the specific location. > > I am not an expert in postgres! > But from my experience, > '#>>' can also parse the data when it is a stringified JSON, having escape > charterers in it!
Input is always welcome, thanks!
> for ex :
> for a scalar value in jsonb : "{\"attr\":\"value\"}", from which we cannot
> read keys or values as such,
>
> Query : select (column #>> '{}') from table;
> will give parsed json : {"attr" : "value"} from which keys and values can be
> extracted.
>
> please mention is there if it is right, as i struggled a lot to figure it
> out!
>
> PS: pardon my language, and my concern if it is not right!
Perhaps this could be improved. How would you shape that as a patch?
From the source tree you would need to change the table around the
section "Processing and Creating JSON Data" in src/sgml/func.sgml.
--
Michael
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