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mysqlxx: development.

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This commit is contained in:
Alexey Milovidov 2011-03-05 21:03:13 +00:00
parent 0dedceaa50
commit bced684a34
1 changed files with 25 additions and 6 deletions
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31
libs/libmysqlxx/include/mysqlxx/Types.h
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@ -90,6 +90,11 @@ public:
{
return m_year == other.m_year && m_month == other.m_month && m_day == other.m_day;
}
bool operator!= (const Date & other) const
{
return !(*this == other);
}
};
inline std::ostream & operator<< (std::ostream & ostr, const Date & date)
@ -118,7 +123,14 @@ public:
Null(NullType data) : is_null(true) {}
Null(const T & data_) : data(data_), is_null(false) {}
operator T()
operator T & ()
{
if (is_null)
throw Exception("Value is NULL");
return data;
}
operator const T & () const
{
if (is_null)
throw Exception("Value is NULL");
@ -127,22 +139,29 @@ public:
Null<T> & operator= (const T & data_) { is_null = false; data = data_; return *this; }
bool isNull() { return is_null; }
bool isNull() const { return is_null; }
bool operator< (const Null<T> & other)
bool operator< (const Null<T> & other) const
{
return is_null < other.is_null
|| (is_null == other.is_null && data < other.data);
}
bool operator< (const NullType other) { return false; }
bool operator< (const NullType other) const { return false; }
bool operator== (const Null<T> & other)
bool operator== (const Null<T> & other) const
{
return is_null == other.is_null && data == other.data;
}
bool operator== (const NullType other) { return is_null; }
bool operator== (const NullType other) const { return is_null; }
bool operator!= (const Null<T> & other) const
{
return !(*this == other);
}
bool operator!= (const NullType other) const { return !is_null; }
};