Re: Avoid index rebuilds for no-rewrite ALTER TABLE ALTER TYPE

On Thu, Jul 7, 2011 at 2:55 PM, Noah Misch <noah@2ndquadrant.com> wrote:
> CheckIndexCompatible() calls ComputeIndexAttrs() to resolve the new operator
> classes, collations and exclusion operators for each index column.  It then
> checks those against the existing values for the same.  I figured that was
> obvious enough, but do you want a new version noting that?

I guess one question I had was... are we depending on the fact that
ComputeIndexAttrs() performs a bunch of internal sanity checks?  Or
are we just expecting those to always pass, and we're going to examine
the outputs after the fact?

-- 
Robert Haas
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