Re: jsonb_strip_nulls with arrays?

Florents Tselai <florents.tselai@gmail.com>

From: Florents Tselai <florents.tselai@gmail.com>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-02-28T17:57:27Z
Lists: pgsql-hackers

> On 20 Feb 2025, at 12:18 AM, Andrew Dunstan <andrew@dunslane.net> wrote:
> 
> 
> 
> On 2025-02-19 We 4:23 PM, Florents Tselai wrote:
>> 
>> 
>>> On 18 Jan 2025, at 11:51 AM, Florents Tselai <florents.tselai@gmail.com> <mailto:florents.tselai@gmail.com> wrote:
>>> 
>>> 
>>> 
>>>> On 8 Jan 2025, at 6:45 PM, Andrew Dunstan <andrew@dunslane.net> <mailto:andrew@dunslane.net> wrote:
>>>> 
>>>> 
>>>> 
>>>> On 2024-09-17 Tu 4:53 PM, Florents Tselai wrote:
>>>>> 
>>>>>> We could, if we're going to do anything at all in this area. Another possibility would be to provide a second optional parameter for json{b}_strip_nulls. That's probably a better way to go.
>>>>>> 
>>>>> Here's a patch that adds that argument (only for jsonb; no json implementation yet)
>>>>> 
>>>>> 
>>>> 
>>>> I think it looks sane. We're not stripping a top level null, which is one thing I looked out for.
>>>> 
>>>> I think we need a json implementation as well, though.
>>>> 
>>>> 
>>>> 
>>> Thanks for having a Look, Andrew; 
>>> if there aren’t any other objections, I’ll come back with a json implementation too. 
>> 
>> Attached is a v2 patch with the missing json implementation. 
>> jsonb one remains the same.
> 
> 
> Please add this to the next Commitfest at https://commitfest.postgresql.org/52/
> 

Added ; thanks
 https://commitfest.postgresql.org/patch/5260/
> 
> cheers
> 
> 
> 
> andrew
> 
> 
> 
>> 
>> 
>> 
> --
> Andrew Dunstan
> EDB: https://www.enterprisedb.com <https://www.enterprisedb.com/>

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  1. Allow json{b}_strip_nulls to remove null array elements