Re: Finding the start of a statement

[MARK CALLAGHAN]

On Fri, Jan 29, 2010 at 11:29 AM, Michael Widenius <monty@stripped> wrote:
>
> Hi!
>
>>>>>> "Paul" == Paul McCullagh <paul.mccullagh@stripped>
> writes:


> Paul> It would be easy to tell the start and end of statements if these
> Paul> functions were only called ONCE for each statement.
>
> Paul> However, if multiple tables are involved in a statement (which is not
> Paul> the case in the example above), then start_stmt() and reset() are
> Paul> called multiple times for each statement.
>
> Paul> So how do I know where the actual boundaries of the statements are?
>
> Why not simply have a counter in your transaction object for how
> start_stmt - reset();  When this is 0 then you know stmnt ended.
>
> In Maria we count number of calls to external_lock() and when the sum
> goes to 0 we know the transaction has ended.

Why does the solution need to be so obscure?

-- 
Mark Callaghan
mdcallag@stripped