Hi,
I think that i found a bug in assignment operator of Wt::Dbo::Query.
I discovered it while using it with QueryModel, after setting query second
time with setQuery().
the original code is at src/Wt/Dbo/Query_impl.h:
template <class Result>
Query<Result, DynamicBinding>&
Query<Result, DynamicBinding>::operator=
(const Query<Result, DynamicBinding>& other)
{
Impl::QueryBase<Result>::operator=(other);
where_ = other.where_;
groupBy_ = other.groupBy_;
orderBy_ = other.orderBy_;
limit_ = other.limit_;
offset_ = other.offset_;
for (unsigned i = 0; i < other.parameters_.size(); ++i)
parameters_.push_back(other.parameters_[i]->clone());
return *this;
}
I think that before adding cloned parameters, current parameters need to be
removed with reset().
Dbo backend throws exception because of extra binded parameters.
.
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