Re: wrong comments in rewriteTargetListIU

On 17.06.25 20:50, Dean Rasheed wrote:
> On Tue, 17 Jun 2025 at 13:56, jian he <jian(dot)universality(at)gmail(dot)com> wrote:
>>
>> On Tue, Jun 17, 2025 at 7:42 PM Peter Eisentraut <peter(at)eisentraut(dot)org> wrote:
>>>
>>> However, I see your point that it contrasts with the attidentity code
>>> just above.
>>>
>>> Perhaps a way to resolve this would be to rewrite the comment something
>>> like:
>>>
>>> /*
>>> * Although inserting into a GENERATED BY DEFAULT identity column
>>> * is allowed, apply the default if OVERRIDING USER VALUE is
>>> * specified.
>>> */
>>> if (att_tup->attidentity == ATTRIBUTE_IDENTITY_BY_DEFAULT &&
>>> override == OVERRIDING_USER_VALUE)
>>> apply_default = true;
>>>
>>> /*
>>> * Can only insert DEFAULT into generated columns. (The OVERRIDING
>>> * clause does not apply to generated columns, so we don't consider
>>> * it here.)
>>> */
>>> if (att_tup->attgenerated && !apply_default)
>>> {
>>>
>> I think this comment is better than the master comments.
>>
>> the master comments
>> /*
>> * Can only insert DEFAULT into generated columns, regardless of
>> * any OVERRIDING clauses.
>> */
>> as a non-native English speaker, i interpret this as it implies that
>> generated columns
>> can have OVERRIDING clauses in some scenarios.
>
> OK, fair enough. The suggested update looks reasonable to me.

committed