Bruce Momjian wrote:
> As I remember, WARM only allows
> a single index-column change in the chain. Why are you seeing such a
> large performance improvement? I would have thought it would be that
> high if we allowed an unlimited number of index changes in the chain.
The second update in a chain creates another non-warm-updated tuple, so
the third update can be a warm update again, and so on.
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Álvaro Herrera https://www.2ndQuadrant.com/
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