Re: [HACKERS] Slow count(*) again... - Mailing list pgsql-performance

From Andrew Dunstan
Subject Re: [HACKERS] Slow count(*) again...
Date
Msg-id 4D4BB1CA.6020400@dunslane.net
Whole thread Raw
In response to Re: [HACKERS] Slow count(*) again...  (david@lang.hm)
List pgsql-performance

On 02/04/2011 02:32 AM, david@lang.hm wrote:
>
> when a copy command is issued, I assume that there is some indication
> of how much data is going to follow.
>
>

No of course there isn't. How would we do that with a stream like STDIN?
Read the code.

cheers

andrew

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