|From:||Andrew Dunstan <andrew(at)dunslane(dot)net>|
|Subject:||Re: mogrify and indent features for jsonb|
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On 02/14/2015 10:06 PM, Andrew Dunstan wrote:
> Attached is a patch to provide a number of very useful facilities to
> jsonb that people have asked for. These are based on work by Dmitry
> Dolgov in his jsonbx extension, but I take responsibility for any bugs.
> The facilities are:
> new operations:
> concatenation: jsonb || jsonb -> jsonb
> deletion: jsonb - text -> jsonb
> deletion: jsonb - int -> text
> new functions:
> produce indented text: jsonb_indent(jsonb) -> text
> change an element at a path: jsonb_replace(jsonb, text, jsonb) ->
> It would be relatively trivial to add:
> delete an element at a path: jsonb_delete(jsonb, text) -> json
> and I think we should do that for the sake of completeness.
> The docs might need a little extra work, and the indent code
> definitely needs work, which I hope to complete in the next day or
> two, but I wanted to put a stake in the ground.
In this version the indent code now works correctly, and there is an
additional delete operator:
jsonb - text -> jsonb
Which deletes data at the designated path.
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