diff options
| -rw-r--r-- | odb/pgsql/traits.cxx | 22 | ||||
| -rw-r--r-- | odb/pgsql/traits.hxx | 37 |
2 files changed, 58 insertions, 1 deletions
diff --git a/odb/pgsql/traits.cxx b/odb/pgsql/traits.cxx index a2c2f2f..9e31c9f 100644 --- a/odb/pgsql/traits.cxx +++ b/odb/pgsql/traits.cxx @@ -76,5 +76,27 @@ namespace odb if (n != 0) memcpy (b.data (), &v.front (), n); } + + // + // default_value_traits<vector<unsigned char>, id_bytea> + // + + void default_value_traits<vector<unsigned char>, id_bytea>:: + set_image (details::buffer& b, + size_t& n, + bool& is_null, + const value_type& v) + { + is_null = false; + n = v.size (); + + if (n > b.capacity ()) + b.capacity (n); + + // std::vector::data() may not be available in older compilers. + // + if (n != 0) + memcpy (b.data (), &v.front (), n); + } } } diff --git a/odb/pgsql/traits.hxx b/odb/pgsql/traits.hxx index b4b6a11..85a6af4 100644 --- a/odb/pgsql/traits.hxx +++ b/odb/pgsql/traits.hxx @@ -466,7 +466,8 @@ namespace odb // std::vector<char> (buffer) specialization. // template <> - struct LIBODB_PGSQL_EXPORT default_value_traits<std::vector<char>, id_bytea> + struct LIBODB_PGSQL_EXPORT default_value_traits< + std::vector<char>, id_bytea> { public: typedef std::vector<char> value_type; @@ -492,6 +493,40 @@ namespace odb const value_type&); }; + // std::vector<unsigned char> (buffer) specialization. + // + template <> + struct LIBODB_PGSQL_EXPORT default_value_traits< + std::vector<unsigned char>, id_bytea> + { + public: + typedef std::vector<unsigned char> value_type; + typedef std::vector<unsigned char> query_type; + typedef details::buffer image_type; + + static void + set_value (value_type& v, + const details::buffer& b, + std::size_t n, + bool is_null) + { + if (!is_null) + { + const unsigned char* d ( + reinterpret_cast<const unsigned char*> (b.data ())); + v.assign (d, d + n); + } + else + v.clear (); + } + + static void + set_image (details::buffer&, + std::size_t& n, + bool& is_null, + const value_type&); + }; + // // type_traits // |