proxy

proxy is against mysql protocol which support insert, delete, update, select common grammer from SQL93 std

proxy

insert:

complete insert with batch, which will send to back connections by classify rows against a transaction

delete:

send to all back connections against a transaction

update:

without to set route column, all others is to route to the specified connections

select:

support limit, order by, group by without having, or combination with three of these