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finished postgres fetch

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sascha
2023-11-26 20:09:48 +01:00
parent 825e530a8d
commit 640dcfadb6
9 changed files with 194 additions and 99 deletions
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src/CMakeLists.txt
+2 -1
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@@ -18,7 +18,8 @@ set(SQL_SOURCES
sql/fk_value_extractor.cpp
sql/table_repository.cpp
sql/any_type_to_visitor.cpp
sql/query_result.cpp)
sql/query_result.cpp
sql/query_result_reader.cpp)
set(SQL_HEADER
../include/matador/sql/dialect.hpp
src/sql/query_result_reader.cpp
+87
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@@ -0,0 +1,87 @@
#include "matador/sql/query_result_reader.hpp"
#include "matador/sql/to_value.hpp"
namespace matador::sql {
template < typename Type >
void convert(const char *valstr, sql::any_type &value)
{
Type val{};
sql::to_value(val, valstr);
value = val;
}
void query_result_reader::read_value(const char *id, size_t index, any_type &value, data_type_t type, size_t size)
{
switch (type) {
case sql::data_type_t::type_char:
convert<char>(column(index), value);
break;
case sql::data_type_t::type_short:
convert<short>(column(index), value);
break;
case sql::data_type_t::type_int:
convert<int>(column(index), value);
break;
case sql::data_type_t::type_long:
convert<long>(column(index), value);
break;
case sql::data_type_t::type_long_long:
convert<long long>(column(index), value);
break;
case sql::data_type_t::type_unsigned_char:
convert<unsigned char>(column(index), value);
break;
case sql::data_type_t::type_unsigned_short:
convert<unsigned short>(column(index), value);
break;
case sql::data_type_t::type_unsigned_int:
convert<unsigned int>(column(index), value);
break;
case sql::data_type_t::type_unsigned_long:
convert<unsigned long>(column(index), value);
break;
case sql::data_type_t::type_unsigned_long_long:
convert<unsigned long long>(column(index), value);
break;
case sql::data_type_t::type_float:
convert<float>(column(index), value);
break;
case sql::data_type_t::type_double:
convert<double>(column(index), value);
break;
case sql::data_type_t::type_bool: {
int val{};
sql::to_value(val, column(index));
value = val > 0;
break;
}
case sql::data_type_t::type_text:
case sql::data_type_t::type_varchar: {
value = std::string{column(index)};
break;
}
case sql::data_type_t::type_char_pointer: {
value = column(index);
break;
}
case sql::data_type_t::type_time:
case sql::data_type_t::type_date: {
value = std::string{column(index)};
break;
}
case sql::data_type_t::type_null: {
value = nullptr_t{};
break;
}
case sql::data_type_t::type_blob: {
throw std::logic_error("data type blob not supported");
}
case sql::data_type_t::type_unknown: {
value = std::string(column(index));
break;
}
}
}
}