fixed bat leak (Bug 3802), in case of new columns don't overwrite the delta structure but use the copy of the sub-transaction.
fixed bat leak (Bug 3802), in case of new columns don't overwrite the delta
structure but use the copy of the sub-transaction.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb