diff options
Diffstat (limited to 'odb/relational/sqlite/source.cxx')
| -rw-r--r-- | odb/relational/sqlite/source.cxx | 401 |
1 files changed, 32 insertions, 369 deletions
diff --git a/odb/relational/sqlite/source.cxx b/odb/relational/sqlite/source.cxx index 9390a99..f8510a2 100644 --- a/odb/relational/sqlite/source.cxx +++ b/odb/relational/sqlite/source.cxx @@ -18,49 +18,6 @@ namespace relational { namespace relational = relational::source; - namespace - { - const char* integer_buffer_types[] = - { - "MYSQL_TYPE_TINY", - "MYSQL_TYPE_SHORT", - "MYSQL_TYPE_LONG", // *_bind_param() doesn't support INT24. - "MYSQL_TYPE_LONG", - "MYSQL_TYPE_LONGLONG" - }; - - const char* float_buffer_types[] = - { - "MYSQL_TYPE_FLOAT", - "MYSQL_TYPE_DOUBLE" - }; - - const char* date_time_buffer_types[] = - { - "MYSQL_TYPE_DATE", - "MYSQL_TYPE_TIME", - "MYSQL_TYPE_DATETIME", - "MYSQL_TYPE_TIMESTAMP", - "MYSQL_TYPE_SHORT" - }; - - const char* char_bin_buffer_types[] = - { - "MYSQL_TYPE_STRING", // CHAR - "MYSQL_TYPE_BLOB", // BINARY, - "MYSQL_TYPE_STRING", // VARCHAR - "MYSQL_TYPE_BLOB", // VARBINARY - "MYSQL_TYPE_STRING", // TINYTEXT - "MYSQL_TYPE_BLOB", // TINYBLOB - "MYSQL_TYPE_STRING", // TEXT - "MYSQL_TYPE_BLOB", // BLOB - "MYSQL_TYPE_STRING", // MEDIUMTEXT - "MYSQL_TYPE_BLOB", // MEDIUMBLOB - "MYSQL_TYPE_STRING", // LONGTEXT - "MYSQL_TYPE_BLOB" // LONGBLOB - }; - } - // // bind // @@ -126,116 +83,38 @@ namespace relational virtual void traverse_integer (member_info& mi) { - // While the is_unsigned should indicate whether the - // buffer variable is unsigned, rather than whether the - // database type is unsigned, in case of the image types, - // this is the same. - // - os << b << ".buffer_type = " << - integer_buffer_types[mi.st->type - sql_type::TINYINT] << ";" - << b << ".is_unsigned = " << (mi.st->unsign ? "1" : "0") << ";" + os << b << ".type = sqlite::binding::integer;" << b << ".buffer = &" << arg << "." << mi.var << "value;" << b << ".is_null = &" << arg << "." << mi.var << "null;"; } virtual void - traverse_float (member_info& mi) + traverse_real (member_info& mi) { - os << b << ".buffer_type = " << - float_buffer_types[mi.st->type - sql_type::FLOAT] << ";" + os << b << ".type = sqlite::binding::real;" << b << ".buffer = &" << arg << "." << mi.var << "value;" << b << ".is_null = &" << arg << "." << mi.var << "null;"; } virtual void - traverse_decimal (member_info& mi) + traverse_text (member_info& mi) { - os << b << ".buffer_type = MYSQL_TYPE_NEWDECIMAL;" + os << b << ".type = sqlite::binding::text;" << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast<unsigned long> (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" + << b << ".size = &" << arg << "." << mi.var << "size;" + << b << ".capacity = " << arg << "." << mi.var << + "value.capacity ());" << b << ".is_null = &" << arg << "." << mi.var << "null;"; } virtual void - traverse_date_time (member_info& mi) + traverse_blob (member_info& mi) { - os << b << ".buffer_type = " << - date_time_buffer_types[mi.st->type - sql_type::DATE] << ";" - << b << ".buffer = &" << arg << "." << mi.var << "value;"; - - if (mi.st->type == sql_type::YEAR) - os << b << ".is_unsigned = 0;"; - - os << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_short_string (member_info& mi) - { - // MySQL documentation is quite confusing about the use of - // buffer_length and length when it comes to input parameters. - // Source code, however, tells us that it uses buffer_length - // only if length is NULL. - // - os << b << ".buffer_type = " << - char_bin_buffer_types[mi.st->type - sql_type::CHAR] << ";" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast<unsigned long> (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << b << ".buffer_type = " << - char_bin_buffer_types[mi.st->type - sql_type::CHAR] << ";" + os << b << ".type = sqlite::binding::blob;" << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast<unsigned long> (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_bit (member_info& mi) - { - // Treated as a BLOB. - // - os << b << ".buffer_type = MYSQL_TYPE_BLOB;" - << b << ".buffer = " << arg << "." << mi.var << "value;" - << b << ".buffer_length = static_cast<unsigned long> (" << endl - << "sizeof (" << arg << "." << mi.var << "value));" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << b << ".buffer_type = MYSQL_TYPE_STRING;" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast<unsigned long> (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // - os << b << ".buffer_type = MYSQL_TYPE_STRING;" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast<unsigned long> (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" + << b << ".size = &" << arg << "." << mi.var << "size;" + << b << ".capacity = " << arg << "." << mi.var << + "value.capacity ());" << b << ".is_null = &" << arg << "." << mi.var << "null;"; } @@ -298,82 +177,20 @@ namespace relational virtual void traverse_integer (member_info&) { - os << e << " = 0;" + os << e << " = false;" << endl; } virtual void - traverse_float (member_info&) + traverse_real (member_info&) { - os << e << " = 0;" + os << e << " = false;" << endl; } virtual void - traverse_decimal (member_info& mi) + traverse_string (member_info& mi) { - // @@ Optimization disabled. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_date_time (member_info&) - { - os << e << " = 0;" - << endl; - } - - virtual void - traverse_short_string (member_info& mi) - { - // @@ Optimization disabled. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_bit (member_info&) - { - os << e << " = 0;" - << endl; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // os << "if (" << e << ")" << endl << "{" << "i." << mi.var << "value.capacity (i." << mi.var << "size);" @@ -485,11 +302,10 @@ namespace relational image_type = member_image_type_.image_type (mi.m); db_type_id = member_database_type_id_.database_type_id (mi.m); - os << "{" - << "bool is_null;"; + os << "{"; } - traits = "mysql::value_traits<\n " + traits = "sqlite::value_traits<\n " + type + ",\n " + image_type + ",\n " + db_type_id + " >"; @@ -515,8 +331,7 @@ namespace relational << "throw null_pointer ();"; } - os << "i." << mi.var << "null = is_null;" - << "}"; + os << "}"; } } @@ -534,113 +349,29 @@ namespace relational traverse_integer (member_info& mi) { os << traits << "::set_image (" << endl - << "i." << mi.var << "value, is_null, " << member << ");"; - } - - virtual void - traverse_float (member_info& mi) - { - os << traits << "::set_image (" << endl - << "i." << mi.var << "value, is_null, " << member << ");"; - } - - virtual void - traverse_decimal (member_info& mi) - { - // @@ Optimization: can remove growth check if buffer is fixed. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast<unsigned long> (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; + << "i." << mi.var << "null," << endl + << member << ");"; } virtual void - traverse_date_time (member_info& mi) + traverse_real (member_info& mi) { os << traits << "::set_image (" << endl - << "i." << mi.var << "value, is_null, " << member << ");"; - } - - virtual void - traverse_short_string (member_info& mi) - { - // @@ Optimization: can remove growth check if buffer is fixed. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast<unsigned long> (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; + << "i." << mi.var << "null," << endl + << member << ");"; } virtual void - traverse_long_string (member_info& mi) + traverse_string (member_info& mi) { - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" + os << "std::size_t cap (i." << mi.var << "value.capacity ());" << traits << "::set_image (" << endl << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast<unsigned long> (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - virtual void - traverse_bit (member_info& mi) - { - // Represented as a BLOB. - // - os << "std::size_t size (0);" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "sizeof (i." << mi.var << "value)," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast<unsigned long> (size);"; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast<unsigned long> (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl + << "i." << mi.var << "size," << endl + << "i." << mi.var << "null," << endl << member << ");" - << "i." << mi.var << "size = static_cast<unsigned long> (size);" << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; } @@ -735,7 +466,7 @@ namespace relational db_type_id = member_database_type_id_.database_type_id (mi.m); } - traits = "mysql::value_traits<\n " + traits = "sqlite::value_traits<\n " + type + ",\n " + image_type + ",\n " + db_type_id + " >"; @@ -788,93 +519,25 @@ namespace relational traverse_integer (member_info& mi) { os << traits << "::set_value (" << endl - << member << ", i." << mi.var << "value, " << - "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_float (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << ", i." << mi.var << "value, " << - "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_decimal (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_date_time (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << ", i." << mi.var << "value, " << - "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_short_string (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_bit (member_info& mi) - { - // Represented as a BLOB. - // - os << traits << "::set_value (" << endl << member << "," << endl << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl << "i." << mi.var << "null);" << endl; } virtual void - traverse_enum (member_info& mi) + traverse_real (member_info& mi) { - // Represented as a string. - // os << traits << "::set_value (" << endl << member << "," << endl << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl << "i." << mi.var << "null);" << endl; } virtual void - traverse_set (member_info& mi) + traverse_string (member_info& mi) { - // Represented as a string. - // os << traits << "::set_value (" << endl << member << "," << endl << "i." << mi.var << "value," << endl |