On Fri, Nov 19, 2021 at 9:38 AM Marcos Pegoraro <marcos@f10.com.br> wrote:
If nothing was changed, why create a new record, append data to wal, set old record as deleted, etc, etc ?
Because it takes resources to determine that nothing changed. If you want to opt-in into that there is even an extension trigger that makes doing so fairly simple. But it's off by default because the typical case is that people don't frequently perform no-op updates so why eat the expense.
