Re: pgsql: Additional functions and operators for jsonb

From: Dmitry Dolgov <9erthalion6(at)gmail(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, "pgsql-committers(at)postgresql(dot)org" <pgsql-committers(at)postgresql(dot)org>, Petr Jelinek <petr(at)2ndquadrant(dot)com>
Subject: Re: pgsql: Additional functions and operators for jsonb
Date: 2015-05-13 16:30:38
Message-ID: CA+q6zcVDBVrXb4BjnxpqJnwHMt6mVnDKFZvY6LhcCZ8skqtHEw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers

Yes, looks like everything is ok - i just would like to add few tests for
this issues.

On 13 May 2015 at 21:34, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:

>
> On 05/12/2015 04:11 PM, Pavel Stehule wrote:
>
>> Hi
>>
>> I did some tests, and I am not sure if this is not bug:
>>
>> postgres=# select '{"x":20}'::jsonb - 'x'::text;
>> ERROR: unknown type of jsonb container --->>> it should be empty jsonb,
>> not error
>> Time: 0.971 ms
>> postgres=# select '{"x":20, "y":30}'::jsonb - 'x'::text;
>> ┌───────────┐
>> │ ?column? │
>> ╞═══════════╡
>> │ {"y": 30} │
>> └───────────┘
>> (1 row)
>>
>>
>>
>>
>
>
> Some of this logic needs tightening. The attached patch should do that.
> Among other things, it errors out if we attempt to delete or replace on a
> scalar, just returns the input argument if there are no changes instead of
> cloning it, checks via an Assert that the constructed JsonbValue is not
> null, and otherwise returns it unconditionally. The result is actually
> simpler code, I think. Before I apply it I'd like to have comments from
> Dmitry and Petr, just to make sure I haven't inadvertently slipped my
> moorings.
>
> cheers
>
> andrew
>
>
>
>

Attachment Content-Type Size
jsonbxtrafix2.patch application/octet-stream 8.0 KB

In response to

Browse pgsql-committers by date

  From Date Subject
Next Message Andrew Dunstan 2015-05-13 17:56:49 pgsql: Fix jsonb replace and delete on scalars and empty structures
Previous Message Petr Jelinek 2015-05-13 16:28:57 Re: pgsql: Additional functions and operators for jsonb