Re: Implementing an history with a limited number of entries with MySQL
On May 12, 11:32 am, "Paul Lautman" <paul.laut...@btinternet.com>
wrote:
> Here's another way to think about it. Once you have 10000 rows, then every
> time you insert a new row, you can just delete the oldest one.
> So, if you're using MyISAM, you can check the result of SHOW TABLE STATUS
> and if it is 10000 then insert your row and delete the oldest one.
Hello Paul,
yes this can work as far as there is a way to make "delete the oldest
one"
very fast. AFAIK the faster I can get is:
row = SELECT MIN(time) FROM history WHERE customer_id=$mycustomer
DELETE FROM row WHERE time=row[0];
I wonder if there are faster ways.
Regards,
Salvatore
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