I'd love to see this back patched into 8.2.1 if possible.

Should I resubmit with new names?

-Glen

Bruce Momjian wrote:
> Is this something we want in 8.3? I am thinking visible/expired would
> be clearer terms.
>
> ---------------------------------------------------------------------------
>
> Glen Parker wrote:
>> This patch consists of two c functions to expose n_live_tuples and
>> n_dead_tuples, SQL functions to expose them to SQL land, and
>> corresponding fields added to pg_stat_all_tables.
>>
>> This has been discussed in general. The purpose is to allow
>> autovacuum-esq conditional vacuuming and clustering using SQL to
>> discover the required stats.


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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
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