Re: using limit with delete

I don't care about the order in my particular case, just that I have to 
clear the table.

I'll try the subquery and see how I go :)

Thanks!

Neil Conway wrote:
> Chris Smith wrote:
> 
>> I'm trying to use a limit clause with delete, but it doesn't work at 
>> the moment
> 
> 
> It isn't in the SQL standard, and it would have undefined behavior: the 
> sort order of a result set without ORDER BY is unspecified, so you would 
> have no way to predict which rows DELETE would remove.
> 
>> delete from table where x='1' limit 1000;
> 
> 
> You could use a subquery to achieve this:
> 
> DELETE FROM table WHERE x IN
>     (SELECT x FROM table ... ORDER BY ... LIMIT ...);
> 
> -Neil
> 
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Chris Smith

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