Re: HOT update: why must ALL indexes should be update?

Daniel Wu <staywithpin@gmail.com> writes:
> We have many indexes on a table. The chance is that any column could be
> some part of an index. I understand that when an index has a column that is
> updated, we can't use HOT, because the index entry could point to a totally
> different row. But if I have 10 indexes, if only 1 index will be updated,
> why the rest 9 indexes couldn't use HOT update?

Whether it's a HOT update is a property of the table row, not of
individual indexes.

            regards, tom lane