On 12/9/2014 3:38 PM, Bruce Momjian wrote:
On Mon, Dec  8, 2014 at 04:56:00PM +0530, bln prasad wrote:
Hi,
    Is there any way to update single/multiple fields of JSON document of a
column?
No, not yet.  We are thinking of options but don't have any work in
progress.

Given a pretty distinct well understood structure, we have used regexp_replace against JSON stored as text. Depending upon your case, "in the mean time"... you may be able to cast, update, then cast back.

Roxanne


--
[At other schools] I think the most common fault in general is to teach 
students how to pass exams instead of teaching them the science.
Donald Knuth



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