Tom Lane wrote:
I did a bit of testing and immediately got an Assert failure:

...

The scary part of that is that it gets through the regression tests ---
doesn't leave one with a warm feeling about how much of VACUUM gets
exercised by regression.

Ouch..

I take it the comment at the top of indexfsm.c about using one bit per
page should be recast as a possible future improvement?

Yep. I also noted that the code in GetIndexFreeSpace() didn't match the comment above it.

--
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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