Re: strip nulls functions for json and jsonb

2014-10-26 21:18 GMT+01:00 Andrew Dunstan <andrew(at)dunslane(dot)net>:

>
> On 10/26/2014 04:14 PM, Thom Brown wrote:
>
>> On 26 October 2014 20:07, Andrew Dunstan <andrew(at)dunslane(dot)net <mailto:
>> andrew(at)dunslane(dot)net>> wrote:
>>
>>
>> On 10/26/2014 03:50 PM, Pavel Stehule wrote:
>>
>> Hi
>>
>> I have a question,
>>
>> what is expected result of null strip of
>>
>> {"a": {"b": null, "c", null"} }
>>
>> ?
>>
>>
>>
>> Please remember not to top-post.
>>
>> The above is not legal json, so the answer would be an error.
>>
>>
>> I believe Pavel means:
>>
>> {"a": {"b": null, "c": null} }
>>
>
> This is the expected result:
>
> andrew=# select json_strip_nulls('{"a": {"b": null, "c": null} }');
> json_strip_nulls
> ------------------
> {"a":{}}
> (1 row)
>
>
> It is NOT expected that we replace an empty object with NULL (and then
> strip it if it's a field value of an outer level object).
>

ok,

This case should be in regress test probably

Thank you

Pavel

>
> cheers
>
> andrew
>
>