introduced field_attributes shortcuts and added method on_base() to all processor classes

include/matador/utils/access.hpp

@@ -53,12 +53,12 @@ void revision(Operator &op, const char *id, uint64_t &value) {
 }
 
 template<class Operator, class Type>
-void attribute(Operator &op, const char *id, Type &value, const utils::field_attributes &attr = utils::NullAttributes) {
+void attribute(Operator &op, const char *id, Type &value, const utils::field_attributes &attr = NullAttributes) {
   op.on_attribute(id, value, attr);
 }
 
 template<class Operator, class Type>
-void attribute(Operator &op, const char *id, std::optional<Type> &value, const utils::field_attributes &attr = utils::NullAttributes) {
+void attribute(Operator &op, const char *id, std::optional<Type> &value, const utils::field_attributes &attr = NullAttributes) {
   op.on_attribute(id, value, attr);
 }
 

include/matador/utils/field_attributes.hpp

@@ -73,8 +73,31 @@ private:
   size_t size_ = 0;
   constraints options_ = constraints::None;
 };
-
-const field_attributes NullAttributes {};
-
 }
+
+namespace matador {
+const utils::field_attributes NullAttributes {};
+const utils::field_attributes VarChar63 {63};
+const utils::field_attributes VarChar127 {127};
+const utils::field_attributes VarChar255 {255};
+const utils::field_attributes VarChar511 {511};
+const utils::field_attributes VarChar1023 {1023};
+const utils::field_attributes VarChar2047 {2047};
+const utils::field_attributes VarChar4095 {4095};
+const utils::field_attributes UniqueVarChar63 {63, utils::constraints::Unique};
+const utils::field_attributes UniqueVarChar127 {127, utils::constraints::Unique};
+const utils::field_attributes UniqueVarChar255 {255, utils::constraints::Unique};
+const utils::field_attributes UniqueVarChar511 {511, utils::constraints::Unique};
+const utils::field_attributes UniqueVarChar1023 {1023, utils::constraints::Unique};
+const utils::field_attributes UniqueVarChar2047 {2047, utils::constraints::Unique};
+const utils::field_attributes UniqueVarChar4095 {4095, utils::constraints::Unique};
+const utils::field_attributes PrimaryKeyVarChar63 {63, utils::constraints::PrimaryKey};
+const utils::field_attributes PrimaryKeyVarChar127 {127, utils::constraints::PrimaryKey};
+const utils::field_attributes PrimaryKeyVarChar255 {255, utils::constraints::PrimaryKey};
+const utils::field_attributes PrimaryKeyVarChar511 {511, utils::constraints::PrimaryKey};
+const utils::field_attributes PrimaryKeyVarChar1023 {1023, utils::constraints::PrimaryKey};
+const utils::field_attributes PrimaryKeyVarChar2047 {2047, utils::constraints::PrimaryKey};
+const utils::field_attributes PrimaryKeyVarChar4095 {4095, utils::constraints::PrimaryKey};
+}
+
 #endif //MATADOR_FIELD_ATTRIBUTES_HPP

include/matador/utils/primary_key_accessor.hpp

@@ -21,6 +21,8 @@ public:
     access::process(*this, obj);
   }
 
+  template<typename BaseType>
+  static void on_base(const BaseType&) {}
   template<typename PrimaryKeyType>
   void on_primary_key(const char * /*id*/, PrimaryKeyType &pk, const primary_key_attribute & = DefaultPkAttributes) {
     const auto value = pk_.as<PrimaryKeyType>();
@@ -51,6 +53,8 @@ private:
 struct pk_unset_checker {
   bool unset{true};
 
+  template<typename BaseType>
+  static void on_base(const BaseType&) {}
   template<class PrimaryKeyType>
   void on_primary_key(const char * /*id*/, PrimaryKeyType &pk, const primary_key_attribute & = DefaultPkAttributes) {
     unset = !identifier_type_traits<PrimaryKeyType>::is_valid(pk);
@@ -73,6 +77,8 @@ struct pk_unset_checker {
 struct primary_key_getter {
   std::uint64_t value{0};
 
+  template<typename BaseType>
+  static void on_base(const BaseType&) {}
   template<class PrimaryKeyType>
   void on_primary_key(const char * /*id*/, PrimaryKeyType &pk, const primary_key_attribute & = DefaultPkAttributes) {
     pk_ = pk;

include/matador/utils/primary_key_attribute.hpp

@@ -48,6 +48,13 @@ private:
 };
 
 const primary_key_attribute DefaultPkAttributes {};
+const primary_key_attribute ManualVarChar63 {63};
+const primary_key_attribute ManualVarChar127 {127};
+const primary_key_attribute ManualVarChar255 {255};
+const primary_key_attribute ManualVarChar511 {511};
+const primary_key_attribute ManualVarChar1023 {1023};
+const primary_key_attribute ManualVarChar2047 {2047};
+const primary_key_attribute ManualVarChar4095 {4095};
 
 }
 #endif //PRIMARY_KEY_ATTRIBUTE_HPP