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data housekeeping

Browse Source 
- removed naked pointers from Data interfaces
- fixed GH #82: name conflict in Data::Keywords::bind
- fixed GH #157: MySQL: cannot bind to 'long' data type on
Windows/Visual C++
- fixed GH #158: MySQL: MYSQL_BIND 'is_unsigned' member is not set
This commit is contained in:
Aleksandar Fabijanic
2013-04-28 12:34:07 -05:00
parent c6207985d8
commit a50823c5a8
34 changed files with 669 additions and 597 deletions
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330
Data/include/Poco/Data/Binding.h
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@@ -73,6 +73,10 @@ class Binding: public AbstractBinding
/// function. An attempt to pass a constant by reference shall result in compile-time error.
{
public:
typedef typename T ValType;
typedef Binding<ValType> Type;
typedef SharedPtr<Type> Ptr;
explicit Binding(T& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -106,7 +110,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
TypeHandler<T>::bind(pos, _val, getBinder(), getDirection());
_bound = true;
}
@@ -114,8 +118,8 @@ public:
void reset ()
{
_bound = false;
AbstractBinder* pBinder = getBinder();
poco_check_ptr (pBinder);
AbstractBinder::Ptr pBinder = getBinder();
poco_assert_dbg (!pBinder.isNull());
pBinder->reset();
}
@@ -136,10 +140,13 @@ class CopyBinding: public AbstractBinding
/// is passed to binding, the storage it refers to must be valid at the statement execution time.
/// To pass a copy of a variable, constant or string literal, use utility function bind().
/// Variables can be passed as either copies or references (i.e. using either use() or bind()).
/// Constants, however, can only be passed as copies. this is best achieved using bind() utility
/// function. An attempt to pass a constant by reference shall result in compile-time error.
{
public:
typedef typename T ValType;
typedef SharedPtr<ValType> ValPtr;
typedef CopyBinding<ValType> Type;
typedef SharedPtr<Type> Ptr;
explicit CopyBinding(T& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -173,7 +180,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
TypeHandler<T>::bind(pos, *_pVal, getBinder(), getDirection());
_bound = true;
}
@@ -181,15 +188,15 @@ public:
void reset ()
{
_bound = false;
AbstractBinder* pBinder = getBinder();
poco_check_ptr (pBinder);
AbstractBinder::Ptr pBinder = getBinder();
poco_assert_dbg (!pBinder.isNull());
pBinder->reset();
}
private:
typedef typename TypeWrapper<T>::TYPE ValueType;
SharedPtr<ValueType> _pVal;
bool _bound;
//typedef typename TypeWrapper<T>::TYPE ValueType;
ValPtr _pVal;
bool _bound;
};
@@ -198,6 +205,11 @@ class Binding<const char*>: public AbstractBinding
/// Binding const char* specialization wraps char pointer into string.
{
public:
typedef const char* ValType;
typedef SharedPtr<ValType> ValPtr;
typedef Binding<const char*> Type;
typedef SharedPtr<Type> Ptr;
explicit Binding(const char* pVal,
const std::string& name = "",
Direction direction = PD_IN):
@@ -230,7 +242,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
TypeHandler<std::string>::bind(pos, _val, getBinder(), getDirection());
_bound = true;
}
@@ -238,8 +250,8 @@ public:
void reset ()
{
_bound = false;
AbstractBinder* pBinder = getBinder();
poco_check_ptr (pBinder);
AbstractBinder::Ptr pBinder = getBinder();
poco_assert_dbg (!pBinder.isNull());
pBinder->reset();
}
@@ -255,6 +267,11 @@ class CopyBinding<const char*>: public AbstractBinding
/// Binding const char* specialization wraps char pointer into string.
{
public:
typedef const char* ValType;
typedef SharedPtr<ValType> ValPtr;
typedef CopyBinding<const char*> Type;
typedef SharedPtr<Type> Ptr;
explicit CopyBinding(const char* pVal,
const std::string& name = "",
Direction direction = PD_IN):
@@ -287,7 +304,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
TypeHandler<std::string>::bind(pos, _val, getBinder(), getDirection());
_bound = true;
}
@@ -295,8 +312,8 @@ public:
void reset ()
{
_bound = false;
AbstractBinder* pBinder = getBinder();
poco_check_ptr (pBinder);
AbstractBinder::Ptr pBinder = getBinder();
poco_assert_dbg (!pBinder.isNull());
pBinder->reset();
}
@@ -311,6 +328,11 @@ class Binding<std::vector<T> >: public AbstractBinding
/// Specialization for std::vector.
{
public:
typedef std::vector<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::vector<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -347,7 +369,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
@@ -361,12 +383,9 @@ public:
}
private:
typedef std::vector<T> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -375,6 +394,12 @@ class CopyBinding<std::vector<T> >: public AbstractBinding
/// Specialization for std::vector.
{
public:
typedef std::vector<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(std::vector<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -411,7 +436,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
@@ -425,13 +450,9 @@ public:
}
private:
typedef std::vector<T> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -451,6 +472,11 @@ class Binding<std::vector<bool> >: public AbstractBinding
/// Only IN binding is supported.
{
public:
typedef std::vector<bool> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef ValType::const_iterator Iterator;
explicit Binding(const std::vector<bool>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -491,7 +517,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<bool>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -528,6 +554,11 @@ class CopyBinding<std::vector<bool> >: public AbstractBinding
/// Only IN binding is supported.
{
public:
typedef std::vector<bool> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef ValType::const_iterator Iterator;
explicit CopyBinding(const std::vector<bool>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -568,11 +599,10 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<bool>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
}
void reset()
@@ -593,6 +623,11 @@ class Binding<std::list<T> >: public AbstractBinding
/// Specialization for std::list.
{
public:
typedef std::list<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::list<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -629,7 +664,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -642,12 +677,9 @@ public:
}
private:
typedef std::list<T> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -656,7 +688,12 @@ class CopyBinding<std::list<T> >: public AbstractBinding
/// Specialization for std::list.
{
public:
explicit CopyBinding(std::list<T>& val,
typedef typename std::list<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(ValType& val,
const std::string& name = "",
Direction direction = PD_IN):
AbstractBinding(name, direction),
@@ -692,7 +729,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -705,13 +742,9 @@ public:
}
private:
typedef std::list<T> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -720,6 +753,11 @@ class Binding<std::deque<T> >: public AbstractBinding
/// Specialization for std::deque.
{
public:
typedef std::deque<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::deque<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -756,7 +794,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -769,12 +807,9 @@ public:
}
private:
typedef std::deque<T> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -783,6 +818,11 @@ class CopyBinding<std::deque<T> >: public AbstractBinding
/// Specialization for std::deque.
{
public:
typedef std::deque<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(std::deque<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -819,7 +859,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -832,13 +872,9 @@ public:
}
private:
typedef std::deque<T> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -847,6 +883,11 @@ class Binding<std::set<T> >: public AbstractBinding
/// Specialization for std::set.
{
public:
typedef std::set<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::set<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -883,7 +924,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -896,12 +937,9 @@ public:
}
private:
typedef std::set<T> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -910,6 +948,11 @@ class CopyBinding<std::set<T> >: public AbstractBinding
/// Specialization for std::set.
{
public:
typedef std::set<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(std::set<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -946,7 +989,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -959,13 +1002,9 @@ public:
}
private:
typedef std::set<T> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -974,6 +1013,11 @@ class Binding<std::multiset<T> >: public AbstractBinding
/// Specialization for std::multiset.
{
public:
typedef std::multiset<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::multiset<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -1010,7 +1054,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -1023,12 +1067,9 @@ public:
}
private:
typedef std::multiset<T> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -1037,6 +1078,11 @@ class CopyBinding<std::multiset<T> >: public AbstractBinding
/// Specialization for std::multiset.
{
public:
typedef std::multiset<T> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(std::multiset<T>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -1073,7 +1119,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<T>::bind(pos, *_begin, getBinder(), getDirection());
++_begin;
@@ -1086,13 +1132,9 @@ public:
}
private:
typedef std::multiset<T> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -1101,6 +1143,11 @@ class Binding<std::map<K, V> >: public AbstractBinding
/// Specialization for std::map.
{
public:
typedef std::map<K, V> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::map<K, V>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -1137,7 +1184,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<V>::bind(pos, _begin->second, getBinder(), getDirection());
++_begin;
@@ -1150,12 +1197,9 @@ public:
}
private:
typedef std::map<K, V> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -1164,6 +1208,11 @@ class CopyBinding<std::map<K, V> >: public AbstractBinding
/// Specialization for std::map.
{
public:
typedef std::map<K, V> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(std::map<K, V>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -1200,7 +1249,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<V>::bind(pos, _begin->second, getBinder(), getDirection());
++_begin;
@@ -1213,13 +1262,9 @@ public:
}
private:
typedef std::map<K, V> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -1228,6 +1273,11 @@ class Binding<std::multimap<K, V> >: public AbstractBinding
/// Specialization for std::multimap.
{
public:
typedef std::multimap<K, V> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<Binding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit Binding(std::multimap<K, V>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -1264,7 +1314,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<V>::bind(pos, _begin->second, getBinder(), getDirection());
++_begin;
@@ -1277,12 +1327,9 @@ public:
}
private:
typedef std::multimap<K, V> Type;
typedef typename Type::const_iterator Iterator;
const Type& _val;
Iterator _begin;
Iterator _end;
const ValType& _val;
Iterator _begin;
Iterator _end;
};
@@ -1291,6 +1338,11 @@ class CopyBinding<std::multimap<K, V> >: public AbstractBinding
/// Specialization for std::multimap.
{
public:
typedef std::multimap<K, V> ValType;
typedef SharedPtr<ValType> ValPtr;
typedef SharedPtr<CopyBinding<ValType> > Ptr;
typedef typename ValType::const_iterator Iterator;
explicit CopyBinding(std::multimap<K, V>& val,
const std::string& name = "",
Direction direction = PD_IN):
@@ -1327,7 +1379,7 @@ public:
void bind(std::size_t pos)
{
poco_assert_dbg(getBinder() != 0);
poco_assert_dbg(!getBinder().isNull());
poco_assert_dbg(canBind());
TypeHandler<V>::bind(pos, _begin->second, getBinder(), getDirection());
++_begin;
@@ -1340,13 +1392,9 @@ public:
}
private:
typedef std::multimap<K, V> Type;
typedef SharedPtr<Type> TypePtr;
typedef typename Type::const_iterator Iterator;
TypePtr _pVal;
Iterator _begin;
Iterator _end;
ValPtr _pVal;
Iterator _begin;
Iterator _end;
};
@@ -1354,29 +1402,27 @@ namespace Keywords {
template <typename T>
inline Binding<T>* use(T& t, const std::string& name = "")
inline AbstractBinding::Ptr use(T& t, const std::string& name = "")
/// Convenience function for a more compact Binding creation.
{
// If this test fails with an error, you tried to pass a const ref value to use().
// Resolve this either by using bind (which will copy the value) or
// if you are sure that the const ref will still exist when execute is called
// (which can be much later!), then use the "useRef" keyword instead
// If this fails to compile, a const ref was passed to use().
// This can be resolved by either (a) using bind (which will copy the value),
// or (b) if the const ref is guaranteed to exist when execute is called
// (which can be much later!), by using the "useRef" keyword instead
poco_static_assert (!IsConst<T>::VALUE);
return new Binding<T>(t, name, AbstractBinding::PD_IN);
}
inline Binding<NullData>* use(const NullData& t, const std::string& name = "")
inline AbstractBinding::Ptr use(const NullData& t, const std::string& name = "")
/// NullData overload.
{
return new Binding<NullData>(const_cast<NullData&>(t), name, AbstractBinding::PD_IN);
}
template <typename T>
inline Binding<T>* useRef(T& t, const std::string& name = "")
inline AbstractBinding::Ptr useRef(T& t, const std::string& name = "")
/// Convenience function for a more compact Binding creation.
{
return new Binding<T>(t, name, AbstractBinding::PD_IN);
@@ -1384,14 +1430,14 @@ inline Binding<T>* useRef(T& t, const std::string& name = "")
template <typename T>
inline Binding<T>* in(T& t, const std::string& name = "")
inline AbstractBinding::Ptr in(T& t, const std::string& name = "")
/// Convenience function for a more compact Binding creation.
{
return use(t, name);
}
inline Binding<NullData>* in(const NullData& t, const std::string& name = "")
inline AbstractBinding::Ptr in(const NullData& t, const std::string& name = "")
/// NullData overload.
{
return use(t, name);
@@ -1399,7 +1445,7 @@ inline Binding<NullData>* in(const NullData& t, const std::string& name = "")
template <typename T>
inline Binding<T>* out(T& t)
inline AbstractBinding::Ptr out(T& t)
/// Convenience function for a more compact Binding creation.
{
poco_static_assert (!IsConst<T>::VALUE);
@@ -1408,7 +1454,7 @@ inline Binding<T>* out(T& t)
template <typename T>
inline Binding<T>* io(T& t)
inline AbstractBinding::Ptr io(T& t)
/// Convenience function for a more compact Binding creation.
{
poco_static_assert (!IsConst<T>::VALUE);
@@ -1445,7 +1491,7 @@ inline AbstractBindingVec& io(AbstractBindingVec& bv)
template <typename T>
inline CopyBinding<T>* bind(T t, const std::string& name)
inline AbstractBinding::Ptr bind(T t, const std::string& name)
/// Convenience function for a more compact Binding creation.
/// This funtion differs from use() in its value copy semantics.
{
@@ -1454,11 +1500,11 @@ inline CopyBinding<T>* bind(T t, const std::string& name)
template <typename T>
inline CopyBinding<T>* bind(T t)
inline AbstractBinding::Ptr bind(T t)
/// Convenience function for a more compact Binding creation.
/// This funtion differs from use() in its value copy semantics.
{
return bind(t, "");
return Poco::Data::Keywords::bind(t, "");
}