From ab1487672afb5180bd17c9d26b35196bd06f6cda Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Thu, 28 Jul 2011 09:45:36 +0200 Subject: Add value_traits specializations for std::vector This allows using it as a buffer for BLOB mapping. --- mysql/types/driver.cxx | 19 ++++++++++--------- mysql/types/test.hxx | 3 ++- mysql/types/traits.hxx | 39 +-------------------------------------- pgsql/types/driver.cxx | 3 +-- pgsql/types/test.hxx | 3 ++- pgsql/types/traits.hxx | 39 +-------------------------------------- sqlite/types/driver.cxx | 4 ++-- sqlite/types/test.hxx | 5 ++--- sqlite/types/traits.hxx | 39 +-------------------------------------- 9 files changed, 22 insertions(+), 132 deletions(-) diff --git a/mysql/types/driver.cxx b/mysql/types/driver.cxx index 6625adf..f397084 100644 --- a/mysql/types/driver.cxx +++ b/mysql/types/driver.cxx @@ -54,24 +54,25 @@ main (int argc, char* argv[]) o.year_ = 2010; string short_str (128, 's'); - buffer short_buf (short_str.c_str (), short_str.size ()); string medium_str (250, 'm'); - buffer medium_buf (medium_str.c_str (), medium_str.size ()); string long_str (2040, 'l'); - buffer long_buf (long_str.c_str (), long_str.size ()); + + const char* sb (short_str.c_str ()), *se (sb + short_str.size ()); + const char* mb (medium_str.c_str ()), *me (mb + medium_str.size ()); + const char* lb (long_str.c_str ()), *le (lb + long_str.size ()); o.char_ = short_str; - o.binary_ = short_buf; + o.binary_.assign (sb, se); o.varchar_ = medium_str; - o.varbinary_ = medium_buf; + o.varbinary_.assign (mb, me); o.tinytext_ = short_str; - o.tinyblob_ = short_buf; + o.tinyblob_.assign (sb, se); o.text_ = long_str; - o.blob_ = long_buf; + o.blob_.assign (lb, le); o.mediumtext_ = long_str; - o.mediumblob_ = long_buf; + o.mediumblob_.assign (lb, le); o.longtext_ = long_str; - o.longblob_ = long_buf; + o.longblob_.assign (lb, le); o.bit_.a = 1; o.bit_.b = 0; diff --git a/mysql/types/test.hxx b/mysql/types/test.hxx index 209782e..1f6b771 100644 --- a/mysql/types/test.hxx +++ b/mysql/types/test.hxx @@ -8,11 +8,12 @@ #include #include +#include #include // std::auto_ptr #include -#include +typedef std::vector buffer; struct date_time { diff --git a/mysql/types/traits.hxx b/mysql/types/traits.hxx index 2698afc..09d50a1 100644 --- a/mysql/types/traits.hxx +++ b/mysql/types/traits.hxx @@ -10,7 +10,7 @@ #include -#include "test.hxx" // date_time, buffer, string_ptr +#include "test.hxx" // date_time, string_ptr namespace odb { @@ -57,43 +57,6 @@ namespace odb }; template <> - class value_traits - { - public: - typedef buffer value_type; - typedef buffer query_type; - typedef details::buffer image_type; - - static void - set_value (buffer& v, - const details::buffer& b, - std::size_t n, - bool is_null) - { - if (!is_null) - v.assign (b.data (), n); - else - v.assign (0, 0); - } - - static void - set_image (details::buffer& b, - std::size_t& n, - bool& is_null, - const buffer& v) - { - is_null = false; - n = v.size (); - - if (n > b.capacity ()) - b.capacity (n); - - if (n != 0) - std::memcpy (b.data (), v.data (), n); - } - }; - - template <> class value_traits { public: diff --git a/pgsql/types/driver.cxx b/pgsql/types/driver.cxx index 745d2ee..d6d675c 100644 --- a/pgsql/types/driver.cxx +++ b/pgsql/types/driver.cxx @@ -51,8 +51,7 @@ main (int argc, char* argv[]) o.varchar_ = medium_str; o.text_ = long_str; - buffer long_buf (long_str.c_str (), long_str.size ()); - o.bytea_ = long_buf; + o.bytea_.assign (long_str.c_str (), long_str.c_str () + long_str.size ()); unsigned char varbit_buf[8] = {1, 3, 1, 3, 1, 3, 1, 3}; o.varbit_.size = 52; diff --git a/pgsql/types/test.hxx b/pgsql/types/test.hxx index 48c30ee..500887a 100644 --- a/pgsql/types/test.hxx +++ b/pgsql/types/test.hxx @@ -8,6 +8,7 @@ #include #include +#include #include // std::auto_ptr #include // std::memcmp #include // std::size_t @@ -139,7 +140,7 @@ struct object std::string text_; #pragma db type ("BYTEA") - buffer bytea_; + std::vector bytea_; #pragma db type ("VARBIT(1024)") varbit varbit_; diff --git a/pgsql/types/traits.hxx b/pgsql/types/traits.hxx index b3aec70..9852727 100644 --- a/pgsql/types/traits.hxx +++ b/pgsql/types/traits.hxx @@ -12,49 +12,12 @@ #include #include -#include "test.hxx" // varbit, buffer, ubuffer, string_ptr +#include "test.hxx" // varbit, ubuffer, string_ptr namespace odb { namespace pgsql { - template <> - class value_traits - { - public: - typedef buffer value_type; - typedef buffer query_type; - typedef details::buffer image_type; - - static void - set_value (buffer& v, - const details::buffer& b, - std::size_t n, - bool is_null) - { - if (!is_null) - v.assign (b.data (), n); - else - v.assign (0, 0); - } - - static void - set_image (details::buffer& b, - std::size_t& n, - bool& is_null, - const buffer& v) - { - is_null = false; - n = v.size (); - - if (n > b.capacity ()) - b.capacity (n); - - if (n != 0) - std::memcpy (b.data (), v.data (), n); - } - }; - // The first 4 bytes of the image is a signed int specifying the // number of significant bits contained by the BIT. The following // bytes contain the bit data. diff --git a/sqlite/types/driver.cxx b/sqlite/types/driver.cxx index 855cada..3c14c7a 100644 --- a/sqlite/types/driver.cxx +++ b/sqlite/types/driver.cxx @@ -13,6 +13,7 @@ #include #include +#include #include #include "test.hxx" @@ -35,10 +36,9 @@ main (int argc, char* argv[]) o.real_ = 1.123; string long_str (2040, 'l'); - buffer long_buf (long_str.c_str (), long_str.size ()); o.text_ = long_str; - o.blob_ = long_buf; + o.blob_.assign (long_str.c_str (), long_str.c_str () + long_str.size ()); { transaction t (db->begin ()); diff --git a/sqlite/types/test.hxx b/sqlite/types/test.hxx index 22cde8e..79b0a33 100644 --- a/sqlite/types/test.hxx +++ b/sqlite/types/test.hxx @@ -8,12 +8,11 @@ #include #include +#include #include // std::auto_ptr #include -#include - typedef std::auto_ptr string_ptr; #pragma db object @@ -44,7 +43,7 @@ struct object std::string text_; #pragma db type ("BLOB") - buffer blob_; + std::vector blob_; // Test NULL value. // diff --git a/sqlite/types/traits.hxx b/sqlite/types/traits.hxx index 70b7b26..486e608 100644 --- a/sqlite/types/traits.hxx +++ b/sqlite/types/traits.hxx @@ -10,50 +10,13 @@ #include -#include "test.hxx" // buffer, string_ptr +#include "test.hxx" // string_ptr namespace odb { namespace sqlite { template <> - class value_traits - { - public: - typedef buffer value_type; - typedef buffer query_type; - typedef details::buffer image_type; - - static void - set_value (buffer& v, - const details::buffer& b, - std::size_t n, - bool is_null) - { - if (!is_null) - v.assign (b.data (), n); - else - v.assign (0, 0); - } - - static void - set_image (details::buffer& b, - std::size_t& n, - bool& is_null, - const buffer& v) - { - is_null = false; - n = v.size (); - - if (n > b.capacity ()) - b.capacity (n); - - if (n != 0) - std::memcpy (b.data (), v.data (), n); - } - }; - - template <> class value_traits { public: -- cgit v1.1