libpqxx
4.0.1
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Iterator for fields in a tuple. Use as tuple::const_iterator. More...
#include <tuple.hxx>
Public Types | |
typedef tuple::size_type | size_type |
typedef tuple::difference_type | difference_type |
typedef field | reference |
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typedef size_t | size_type |
Public Member Functions | |
const_tuple_iterator (const tuple &T, tuple::size_type C) throw () | |
const_tuple_iterator (const field &F) throw () | |
Dereferencing operators | |
pointer | operator-> () const |
reference | operator* () const |
Manipulations | |
const_tuple_iterator | operator++ (int) |
const_tuple_iterator & | operator++ () |
const_tuple_iterator | operator-- (int) |
const_tuple_iterator & | operator-- () |
const_tuple_iterator & | operator+= (difference_type i) |
const_tuple_iterator & | operator-= (difference_type i) |
Comparisons | |
bool | operator== (const const_tuple_iterator &i) const |
bool | operator!= (const const_tuple_iterator &i) const |
bool | operator< (const const_tuple_iterator &i) const |
bool | operator<= (const const_tuple_iterator &i) const |
bool | operator> (const const_tuple_iterator &i) const |
bool | operator>= (const const_tuple_iterator &i) const |
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field (const tuple &T, tuple_size_type C) throw () | |
Constructor. | |
template<> | |
bool | to (const char *&Obj) const |
Specialization: to(const char *&) . | |
bool | operator== (const field &) const |
Byte-by-byte comparison of two fields (all nulls are considered equal) | |
bool | operator!= (const field &rhs) const |
Byte-by-byte comparison (all nulls are considered equal) | |
const char * | name () const |
Column name. | |
oid | type () const |
Column type. | |
oid | table () const |
What table did this column come from? | |
tuple_size_type | num () const |
tuple_size_type | table_column () const |
What column number in its originating table did this column come from? | |
const char * | c_str () const |
Read as plain C string. | |
template<typename T > | |
bool | to (T &Obj) const |
Read value into Obj; or leave Obj untouched and return false if null. | |
template<typename T > | |
bool | operator>> (T &Obj) const |
Read value into Obj; or leave Obj untouched and return false if null. | |
template<typename T > | |
bool | to (T &Obj, const T &Default) const |
Read value into Obj; or use Default & return false if null. | |
template<typename T > | |
T | as (const T &Default) const |
Return value as object of given type, or Default if null. | |
template<typename T > | |
T | as () const |
Return value as object of given type, or throw exception if null. | |
bool | is_null () const throw () |
size_type | size () const throw () |
Arithmetic operators | |
const_tuple_iterator | operator+ (difference_type) const |
const_tuple_iterator | operator- (difference_type) const |
difference_type | operator- (const_tuple_iterator) const |
const_tuple_iterator | operator+ (difference_type, const_tuple_iterator) |
Additional Inherited Members | |
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const result * | home () const throw () |
size_t | idx () const throw () |
tuple_size_type | col () const throw () |
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tuple_size_type | m_col |
Iterator for fields in a tuple. Use as tuple::const_iterator.
pqxx::const_tuple_iterator::const_tuple_iterator | ( | const tuple & | T, |
tuple::size_type | C | ||
) | throw () |
pqxx::const_tuple_iterator::const_tuple_iterator | ( | const field & | F | ) | throw () |
bool pqxx::const_tuple_iterator::operator!= | ( | const const_tuple_iterator & | i | ) | const |
reference pqxx::const_tuple_iterator::operator* | ( | ) | const |
const_tuple_iterator pqxx::const_tuple_iterator::operator+ | ( | difference_type | o | ) | const |
pqxx::const_tuple_iterator pqxx::const_tuple_iterator::operator++ | ( | int | ) |
const_tuple_iterator& pqxx::const_tuple_iterator::operator++ | ( | ) |
const_tuple_iterator& pqxx::const_tuple_iterator::operator+= | ( | difference_type | i | ) |
const_tuple_iterator pqxx::const_tuple_iterator::operator- | ( | difference_type | o | ) | const |
const_tuple_iterator::difference_type pqxx::const_tuple_iterator::operator- | ( | const_tuple_iterator | i | ) | const |
References pqxx::field::num().
pqxx::const_tuple_iterator pqxx::const_tuple_iterator::operator-- | ( | int | ) |
const_tuple_iterator& pqxx::const_tuple_iterator::operator-- | ( | ) |
const_tuple_iterator& pqxx::const_tuple_iterator::operator-= | ( | difference_type | i | ) |
pointer pqxx::const_tuple_iterator::operator-> | ( | ) | const |
bool pqxx::const_tuple_iterator::operator< | ( | const const_tuple_iterator & | i | ) | const |
bool pqxx::const_tuple_iterator::operator<= | ( | const const_tuple_iterator & | i | ) | const |
bool pqxx::const_tuple_iterator::operator== | ( | const const_tuple_iterator & | i | ) | const |
bool pqxx::const_tuple_iterator::operator> | ( | const const_tuple_iterator & | i | ) | const |
bool pqxx::const_tuple_iterator::operator>= | ( | const const_tuple_iterator & | i | ) | const |
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