Question about HoT updates and conditional indexes

Lets assume I have a table with an index defined as:
create index test_key on test_table(mtime) where status=1;

Will be update such as:
update test_table set mtime=NOW() where id=10;
threated as HOT update if the entry with id=10 have status=0 ?

That update seems valid one for using HOT, however in practice it seems use
the full update way.

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Maxim Boguk
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