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| const_row_iterator () noexcept=default |
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| const_row_iterator (row const &t, row_size_type c) noexcept |
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| const_row_iterator (field const &F) noexcept |
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| const_row_iterator (const_row_iterator const &) noexcept=default |
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| const_row_iterator (const_row_iterator &&) noexcept=default |
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constexpr pointer | operator-> () const noexcept |
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reference | operator* () const noexcept |
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const_row_iterator & | operator= (const_row_iterator const &) noexcept=default |
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const_row_iterator & | operator= (const_row_iterator &&) noexcept=default |
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const_row_iterator | operator++ (int) &noexcept |
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const_row_iterator & | operator++ () noexcept |
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const_row_iterator | operator-- (int) &noexcept |
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const_row_iterator & | operator-- () noexcept |
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const_row_iterator & | operator+= (difference_type i) noexcept |
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const_row_iterator & | operator-= (difference_type i) noexcept |
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constexpr bool | operator== (const_row_iterator const &i) const noexcept |
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constexpr bool | operator!= (const_row_iterator const &i) const noexcept |
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constexpr bool | operator< (const_row_iterator const &i) const noexcept |
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constexpr bool | operator<= (const_row_iterator const &i) const noexcept |
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constexpr bool | operator> (const_row_iterator const &i) const noexcept |
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constexpr bool | operator>= (const_row_iterator const &i) const noexcept |
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template<> |
bool | to (char const *&obj) const |
| Specialization: to(char const *&) . More...
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template<> |
bool | to (zview &obj) const |
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template<> |
bool | to (zview &obj, zview const &default_value) const |
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template<> |
zview | as () const |
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template<> |
zview | as (zview const &default_value) const |
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PQXX_PURE bool | operator== (field const &) const noexcept |
| Byte-by-byte comparison of two fields (all nulls are considered equal) More...
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PQXX_PURE bool | operator!= (field const &rhs) const noexcept |
| Byte-by-byte comparison (all nulls are considered equal) More...
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PQXX_PURE char const * | name () const & |
| Column name. More...
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oid PQXX_PURE | type () const |
| Column type. More...
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PQXX_PURE oid | table () const |
| What table did this column come from? More...
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constexpr PQXX_PURE row_size_type | num () const noexcept |
| Return row number. The first row is row 0, the second is row 1, etc. More...
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PQXX_PURE row_size_type | table_column () const |
| What column number in its originating table did this column come from? More...
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PQXX_PURE std::string_view | view () const & |
| Read as string_view , or an empty one if null. More...
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PQXX_PURE char const * | c_str () const & |
| Read as plain C string. More...
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PQXX_PURE bool | is_null () const noexcept |
| Is this field's value null? More...
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PQXX_PURE size_type | size () const noexcept |
| Return number of bytes taken up by the field's value. More...
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template<typename T > |
auto | to (T &obj) const -> typename std::enable_if_t<(not std::is_pointer< T >::value or std::is_same< T, char const * >::value), bool > |
| Read value into obj; or if null, leave obj untouched and return false . More...
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template<typename... T> |
bool | composite_to (T &...fields) const |
| Read field as a composite value, write its components into fields . More...
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template<typename T > |
bool | operator>> (T &obj) const |
| Read value into obj; or leave obj untouched and return false if null. More...
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template<typename T > |
auto | to (T &obj, T const &default_value) const -> typename std::enable_if_t<(not std::is_pointer< T >::value or std::is_same< T, char const * >::value), bool > |
| Read value into obj; or if null, use default value and return false . More...
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template<typename T > |
T | as (T const &default_value) const |
| Return value as object of given type, or default value if null. More...
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template<typename T > |
T | as () const |
| Return value as object of given type, or throw exception if null. More...
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template<typename T , template< typename > class O = std::optional> |
constexpr O< T > | get () const |
| Return value wrapped in some optional type (empty for nulls). More...
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array_parser | as_array () const &noexcept |
| Parse the field as an SQL array. More...
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| field (row const &r, row_size_type c) noexcept |
| Constructor. Do not call this yourself; libpqxx will do it for you. More...
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| field () noexcept=default |
| Constructor. Do not call this yourself; libpqxx will do it for you. More...
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Iterator for fields in a row. Use as row::const_iterator.