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From: solai v <[email protected]>
To: Ayush Tiwari <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Subject: Re: Proposal: INSERT ... BY NAME
Date: Wed, 8 Jul 2026 12:22:28 +0530
Message-ID: <CAF0whufQ0TgqcvkX9wmvHupA0X_UvRNw5aP5OZVYswQ_fiU=-w@mail.gmail.com> (raw)
In-Reply-To: <CAJTYsWVDs7vkEN-eD1NAnZ7XqcfpXu3tP1wMGzJQ12G6eo1oRw@mail.gmail.com>
References: <CAJTYsWVDs7vkEN-eD1NAnZ7XqcfpXu3tP1wMGzJQ12G6eo1oRw@mail.gmail.com>

Hi Ayush,
I tested the patch and the feature worked as expected in my testing.

Before applying the patch, INSERT ... BY NAME resulted in a syntax
error because PostgreSQL only supports positional matching.
After applying the patch, the same query executed successfully and the
source columns were matched to the target columns by their names, even
when the SELECT list was in a different order.

I also tried a case where the SELECT list reordered columns with
different data types (age, id, name). Without BY NAME, PostgreSQL
attempted positional insertion and failed with a type mismatch error.
With BY NAME, the columns were correctly matched by name and the row
was inserted successfully.

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