Re: BUG #18809: Inconsistent JSON behavoir - Mailing list pgsql-bugs

From David G. Johnston
Subject Re: BUG #18809: Inconsistent JSON behavoir
Date
Msg-id CAKFQuwZwevnpm4QfGxU8HekDAvdjg72_z1bdiyyKaMgiXLB3BA@mail.gmail.com
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In response to BUG #18809: Inconsistent JSON behavoir  (PG Bug reporting form <noreply@postgresql.org>)
Responses Re: BUG #18809: Inconsistent JSON behavoir
List pgsql-bugs
On Wednesday, February 12, 2025, PG Bug reporting form <noreply@postgresql.org> wrote:
The following bug has been logged on the website:

Bug reference:      18809
Logged by:          Mark Drake
Email address:      mark.drake@golden-hind.com
PostgreSQL version: 17.0
Operating system:   Linux
Description:       

broadway=#
broadway=# select jsonb('[2,3,1]') - to_jsonb(1);
ERROR:  operator does not exist: jsonb - jsonb
LINE 1: select jsonb('[2,3,1]') - to_jsonb(1);
                                ^
HINT:  No operator matches the given name and argument types. You might need
to add explicit type casts.
broadway=#

Given that the first statement show the array contains an element that
matches to_jsonb(1) the fourth statement should delete the third ( index 2)
item from the array, not return an argument type mismatch. This would solve
the problem of not being able to delete from a JSON integer array by value


This would be a feature request, not a bug report.

Feature requests usually are better sent to the -general mailing list where support and possible developers are more likely to be looking.

I do concur we seem to have a feature gap here.

David J.

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