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added index attribute to field class

This commit is contained in:
Sascha Kuehl 2024-03-10 17:22:38 +01:00
parent 6bbc870362
commit 9a02abacea
3 changed files with 22 additions and 4 deletions
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5
include/matador/sql/field.hpp
View File

@ -64,8 +64,9 @@ class field
public:
explicit field(std::string name);
template<typename Type>
field(std::string name, Type value)
field(std::string name, Type value, int index = -1)
: name_(std::move(name))
, index_(index)
, value_(value)
, type_(field_traits<Type>::type()) {}
field(const field &x) = default;
@ -81,6 +82,7 @@ public:
}
[[nodiscard]] const std::string& name() const;
[[nodiscard]] int index() const;
template<class Type>
std::optional<Type> as() const
@ -103,6 +105,7 @@ public:
private:
std::string name_;
int index_{-1};
any_type value_;
field_type type_;
};

17
src/sql/field.cpp
View File

@ -3,21 +3,29 @@
namespace matador::sql {
field::field(std::string name)
: name_(std::move(name)), value_(nullptr), type_(field_traits<nullptr_t>::type())
: name_(std::move(name))
, value_(nullptr)
, type_(field_traits<nullptr_t>::type())
{}
field::field(field &&x) noexcept
: name_(std::move(x.name_)), value_(std::move(x.value_)), type_(x.type_)
: name_(std::move(x.name_))
, index_(x.index_)
, value_(std::move(x.value_))
, type_(x.type_)
{
x.value_ = nullptr;
x.index_ = -1;
x.type_ = field_type::Null;
}
field &field::operator=(field &&x) noexcept
{
name_ = std::move(x.name_);
index_ = x.index_;
value_ = std::move(x.value_);
type_ = x.type_;
x.index_ = -1;
x.value_ = nullptr;
x.type_ = field_type::Null;
@ -29,6 +37,11 @@ const std::string &field::name() const
return name_;
}
int field::index() const
{
return index_;
}
std::ostream &operator<<(std::ostream &out, const field &col)
{
out << col.str();

4
test/FieldTest.cpp
View File

@ -8,6 +8,7 @@ TEST_CASE("Field test", "[field]") {
sql::field f("name");
REQUIRE(f.name() == "name");
REQUIRE(f.index() == -1);
REQUIRE(f.is_null());
REQUIRE(!f.is_integer());
REQUIRE(!f.is_floating_point());
@ -36,7 +37,8 @@ TEST_CASE("Field test", "[field]") {
REQUIRE(bool_val.has_value());
REQUIRE(bool_val.value());
f = utils::blob{ 7,8,6,5,4,3 };
f = sql::field("name", utils::blob{ 7,8,6,5,4,3 }, 1);
REQUIRE(f.index() == 1);
REQUIRE(!f.is_null());
REQUIRE(!f.is_integer());
REQUIRE(!f.is_floating_point());