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Diffstat (limited to 'mapping/traits-oracle.hxx')
-rw-r--r-- | mapping/traits-oracle.hxx | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/mapping/traits-oracle.hxx b/mapping/traits-oracle.hxx new file mode 100644 index 0000000..f1dcfe9 --- /dev/null +++ b/mapping/traits-oracle.hxx @@ -0,0 +1,95 @@ +// file : mapping/traits-oracle.hxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : not copyrighted - public domain + +#ifndef TRAITS_ORACLE_HXX +#define TRAITS_ORACLE_HXX + +// +// Oracle implementation. +// + +#include <cstddef> // std::size_t +#include <cstring> // std::strncmp, std::memcpy + +#include <odb/oracle/traits.hxx> +#include <odb/oracle/details/date.hxx> + +#include "person.hxx" // date + +namespace odb +{ + namespace oracle + { + template <> + class value_traits<bool, id_string> + { + public: + typedef bool value_type; + typedef bool query_type; + typedef char* image_type; + + static void + set_value (bool& v, + const char* b, + std::size_t n, + bool is_null) + { + v = (!is_null && n == 4 && std::strncmp ("true", b, n) == 0); + } + + static void + set_image (char* b, + std::size_t c, + std::size_t& n, + bool& is_null, + bool v) + { + is_null = false; + n = v ? 4 : 5; + + assert (n <= c); + + std::memcpy (b, (v ? "true" : "false"), n); + } + }; + + template <> + class value_traits<date, id_date> + { + public: + typedef date value_type; + typedef date query_type; + typedef char* image_type; + + static void + set_value (date& v, const char* b, bool is_null) + { + if (!is_null) + { + short y; + unsigned char m, d, h, min, s; + details::get_date (b, y, m, d, h, min, s); + + v = date (y, m, d); + } + else + v = date (0, 0, 0); + } + + static void + set_image (char* b, bool& is_null, const date& v) + { + is_null = false; + + short y (static_cast<short> (v.year ())); + unsigned char m (static_cast<unsigned char> (v.month ())); + unsigned char d (static_cast<unsigned char> (v.day ())); + + details::set_date (b, y, m, d, 0, 0, 0); + } + }; + } +} + +#endif // TRAITS_ORACLE_HXX |