Re: IS JSON predicate support for domain base type as JSON/JSONB/BYTEA/TEXT

On 2026-03-13 Fr 9:16 AM, Kirill Reshke wrote:
> On Fri, 13 Mar 2026 at 17:30, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>>
>> On 2026-03-12 Th 11:55 PM, jian he wrote:
>>> Hi.
>>>
>>> The regression test was very verbose; I removed some of it.
>>> Also polished function ExecEvalJsonIsPredicate a little bit.
>>
>>
>> Here's a v4. I changed resultBaseType to exprBaseType - I think it's
>> clearer. I also trimmed the tests a bit more, and dropped the new
>> objects after testing them. The error message now shows the domain name
>> rather than the underlying base type. I think that's more useful.
>>
>
> Hi!
> V4 looks good. The only thing that I cannot explain is removing the
> `exprtype` variable inside ExecEvalJsonIsPredicate. We can just change
> its declaration to
>
> exprtype = pred->exprBaseType if i'm not mistaken?

Yeah, we can do that.

>
> Anyway, LGTM
>
>

Thanks for reviewing.

cheers

andrew

--
Andrew Dunstan
EDB: https://www.enterprisedb.com