Tom Lane wrote:
> As I mentioned upthread, it'd certainly be possible for the trigger
> to iterate through the fields in a datatype-aware fashion and undo
> compression or out-of-lineing before the comparison. But that would
> eat a lot more cycles than the current implementation, and it seems
> dubious that it's worth it. If the trigger is succeeding (ie,
> detecting a no-op update) often enough that it would be worth that,
> you've really got an application-stupidity problem to fix.
ISTM the whole point of suppress_redundant_updates_trigger is to cope
with application stupidity.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
