addAll method
Implementation
UpdateMany addAll(List<List<SetColumn>> items, List<Expression> where) {
_bulkValues.clear();
for (var i = 0; i < items.length; ++i) {
var item = items[i];
var w = where[i];
_bulkValues.add(Update(
name,
where: w,
)..setMany(item));
}
return this;
}