evgeny gridasov wrote:
> Hi Everybody.
>
> I am going to replace some 'select count(*) from ... where ...' queries
> which run on large tables (10M+ rows) with something like
> 'explain select * from ... where ' and parse planner output after that
> to find out its forecast about number of row
Hi Everybody.
I am going to replace some 'select count(*) from ... where ...' queries
which run on large tables (10M+ rows) with something like
'explain select * from ... where ' and parse planner output after that
to find out its forecast about number of rows the query is going to retrieve.
