Hi Sergei, Thanks that answers my question, I will soon get back with questions .
On Sun, Mar 6, 2016 at 2:52 PM, Sergei Golubchik <[email protected]> wrote: > Hi, Varun! > > On Mar 06, Varun Gupta wrote: > > Hi Sergei, > > I understand that having a cursor like syntax we would have to write > some > > new code . What I would have liked to know is that the more details > should > > be discussed which need to be incorporated in the implementation of the > > aggregate functions. Basically what I am asking is what all details have > > to be there in the implementation of the aggregate functions. > > I don't think I understand your question. > But anyway to implement aggregate stored functions one would need > 1. fix the parser to support the new syntax > 2. fix the saving/loading code to store additional attributes (like, > store the fact that the function is aggregate) > 3. fix stored function execution code to be able to pause and resume the > execution > 4. create an Item_sum_sp to be able to use aggregate stored functions in > queries. > > optional: > > 5. add support for window functions > > Regards, > Sergei > Chief Architect MariaDB > and [email protected] >
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