Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> Yes, and yes, but don't hold your breath on the latter part --- that
>> TODO item has been around for awhile. And it's gotten harder now that
>> we have lazy VACUUM; that means we need to be able to condense indexes
>> concurrently with other index operations.
> Can you remind me why it is so hard to fix this. I do not expect lazy
> vacuum to handle index shrinking, but it should be possible with full
> vacuum.
If you make that restriction then it might be less painful to do. I
have not thought about doing it that way; I'm of the opinion that only
a solution that lets lazy vacuum do it will be a real solution.
regards, tom lane