Basically, I take the same query as above and replace all occurences of
tables logs and tags with temp_logs and temp_tags, created as follow:
CREATE TEMPORARY TABLE temp_logs ON COMMIT DROP AS
SELECT * FROM logs WHERE condition ORDER BY date DESC LIMIT max_size;
CREATE TEMPORARY TABLE temp_tags
On Tue, Nov 9, 2010 at 4:47 AM, Matthieu Huin wrote:
> Hello Merlin,
>
> So far the improvement in responsiveness has been very noticeable, even
> without indexing the temporary tables. Of course, this is just trading
> accuracy for speed as I simply narrow arbitrarily the search space ...
>
> The
Hello Merlin,
So far the improvement in responsiveness has been very noticeable, even
without indexing the temporary tables. Of course, this is just trading
accuracy for speed as I simply narrow arbitrarily the search space ...
The schema I am working on is close to the one I am referencing i
On Mon, Nov 8, 2010 at 12:15 PM, Matthieu Huin wrote:
> Greetings all,
>
> I am trying to optimize SELECT queries on a large table (10M rows and more)
> by using temporary tables that are subsets of my main table, thus narrowing
> the search space to a more manageable size.
> Is it possible to tra
