This class is *not* thread safe. One connection is used to handle all operations
the idea is that we prepare all tables, and compile all queries during (lazy) initialization
Afterwards query consists of three steps:
insert (in batch) all data
perform query
rollback transaction to reuse connection and not care about deleting/truncating tables
This class is *not* thread safe. One connection is used to handle all operations the idea is that we prepare all tables, and compile all queries during (lazy) initialization Afterwards query consists of three steps: