2010/8/10 Simon Riggs <simon@2ndquadrant.com>:
> Any SQL statement that reads a block can do HOT pruning, if the block is
> otherwise unlocked.
We use the term "HOT" for two features: 1. HOT updates: Avoiding index updates when keys are not modified. 2. HOT
pruning:Removing tuple bodies, that works even for indexed tuples.
2 is the point of the case, but ambiguous "HOT" might confuse some people.
--
Itagaki Takahiro