On Tue, Dec 23, 2014 at 8:17 AM, Alexander Barkov <bar@mariadb.org> wrote:
RBR does mark that this is the old pre-5.0 format.
so the slave knows that it is an old DECIMAL.
But it does not know which exactly DECIMAL(M,N),
because M and N are not available.
But aren't M and N available on the slave itself? Although tables in replication do not have to be identical, it is reasonable to expect the precision and scale to be the same between source and target tables.