Re: [PATCHES] pg_freespacemap question

Mark Kirkwood wrote:
> Tom Lane wrote:
> 
>>
>> I do notice a rather serious shortcoming of pg_freespacemap in its
>> current incarnation, which is that it *only* shows you the per-page free
>> space data, and not any of the information that would let you determine
>> what the FSM is doing to filter the raw data.  The per-relation
>> avgRequest and lastPageCount fields would be interesting for instance.
>> Perhaps there should be a second view with one row per relation to
>> carry the appropriate data.
>>
> 
> Ok - I did wonder about 2 views, but was unsure if the per-relation 
> stuff was interesting. Given that it looks like it is interesting, I'll 
> see about getting a second view going.
> 

This patch implements the second view for FSM relations. I have renamed 
the functions and views to be:

pg_freespacemap_relations
pg_freespacemap_pages

This patch depends on the previous one (which was called simply 
'pg_freespacemap.patch').

Cheers

Mark