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determine NOT NULL constraint from std::optional

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sascha
2024-01-18 07:21:40 +01:00
parent 5804454ae6
commit ed6366fef6
4 changed files with 58 additions and 15 deletions
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include/matador/sql/column_generator.hpp
+16 -3
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@@ -73,7 +73,10 @@ public:
void on_revision(const char *id, unsigned long long &rev);
template<typename Type>
void on_attribute(const char *id, Type &x, const utils::field_attributes &attr = utils::null_attributes);
void on_attribute(const char *id, Type &x, const utils::field_attributes &attr = utils::not_null_attributes);
template<typename Type>
void on_attribute(const char *id, std::optional<Type> &x, const utils::field_attributes &attr = utils::null_attributes);
template<class Pointer>
void on_belongs_to(const char *id, Pointer &x, utils::cascade_type)
@@ -106,13 +109,23 @@ private:
template<typename V>
void column_generator::on_primary_key(const char *id, V &x, typename std::enable_if<std::is_integral<V>::value && !std::is_same<bool, V>::value>::type*)
{
on_attribute(id, x, { utils::constraints::PRIMARY_KEY });
on_attribute(id, x, { utils::constraints::PRIMARY_KEY | utils::constraints::NOT_NULL });
}
template<typename Type>
void column_generator::on_attribute(const char *id, Type &x, const utils::field_attributes &attr)
{
columns_.emplace_back(id, x, attr);
if (attr.options() == utils::constraints::NONE) {
columns_.push_back(column{id, x, { attr.size(), utils::constraints::NOT_NULL}});
} else {
columns_.emplace_back(id, x, attr);
}
}
template<typename Type>
void column_generator::on_attribute(const char *id, std::optional<Type> &x, const utils::field_attributes &attr)
{
columns_.emplace_back(id, data_type_traits<Type>::builtin_type(attr.size()), attr);
}
}