On 2016-08-04 16:29:09 +0530, Pavan Deolasee wrote:
> Indexes whose values do not change do not require new index pointers. Only
> the index whose key is being changed will need a new index entry. The new
> index entry will be set to the CTID of the root line pointer.

That seems to require tracing all hot-chains in a page, to actually
figure out what the root line pointer of a warm-updated HOT tuple is,
provided it's HOT_UPDATED itself.  Or have you found a smart way to
figure that out?


Andres Freund

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