> On Monday, June 25, 2007, 9:54:58 PM, Landry <[EMAIL PROTECTED]> wrote:
>
> > A problem remains, however : i don't know how to implement
> > IDataProvider.iterator(int first, int count).
> > Must be something like this in oracle : "select * from mytable where
> rownum>>=first and rownum <count "
>
> Actually, in Oracle, it's significantly more complex than the above,
> but let's not go there (unless you're actually doing that in Oracle?).
>
> > But how to do this in mysql ? (row_id could do the thing, but it is only
> > available when your primary key is integer).
>
> I've not used MySQL for years, but I think it's
>   select * from mytable order by whatever limit first, count
> where 'first' is from 0.

If you are using an ORM tool (JPA, Hibernate, JDO) the tool might do
specific optimizations for you. But I think what most people (/
implementations) do is just scroll the result set cursor to the first
record needed.

Eelco

Eelco

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