Re: Bug: COPY FORMAT JSON includes generated columns unlike text/CSV - Mailing list pgsql-hackers

On Mon, Apr 13, 2026 at 5:21 PM SATYANARAYANA NARLAPURAM
<satyanarlapuram@gmail.com> wrote:
>
> Hi hackers,
>
> COPY TO with FORMAT json includes generated columns in the output,
> while text and CSV formats correctly exclude them.  Virtual generated
> columns appear as null (since they aren't materialized), and stored
> generated columns appear with their values  Attached a patch to address this.
>
The patch looks good to me.

It seems there's a ``git apply`` issue applying the V1 patch.
The attached v2 is the same as your v1, it should apply without issue
using `git apply` or `git am`.



--
jian
https://www.enterprisedb.com/