#define WRAP_SECONDARY_SIMPLE_TYPE(IDX, TYPE)\
template<>\
struct secondary_index_db_functions<TYPE> {\
   static int32_t db_idx_next( int32_t iterator, uint64_t* primary )          { return db_##IDX##_next( iterator, primary ); }\
   static int32_t db_idx_previous( int32_t iterator, uint64_t* primary )      { return db_##IDX##_previous( iterator, primary ); }\
   static void    db_idx_remove( int32_t iterator  )                          { db_##IDX##_remove( iterator ); }\
   static int32_t db_idx_end( uint64_t code, uint64_t scope, uint64_t table ) { return db_##IDX##_end( code, scope, table ); }\
   static int32_t db_idx_store( uint64_t scope, uint64_t table, uint64_t payer, uint64_t id, const TYPE& secondary ) {\
      return db_##IDX##_store( scope, table, payer, id, &secondary );\
   }\
   static void    db_idx_update( int32_t iterator, uint64_t payer, const TYPE& secondary ) {\
      db_##IDX##_update( iterator, payer, &secondary );\
   }\
   static int32_t db_idx_find_primary( uint64_t code, uint64_t scope, uint64_t table, uint64_t primary, TYPE& secondary ) {\
      return db_##IDX##_find_primary( code, scope, table, &secondary, primary );\
   }\
   static int32_t db_idx_find_secondary( uint64_t code, uint64_t scope, uint64_t table, const TYPE& secondary, uint64_t& primary ) {\
      return db_##IDX##_find_secondary( code, scope, table, &secondary, &primary );\
   }\
   static int32_t db_idx_lowerbound( uint64_t code, uint64_t scope, uint64_t table, TYPE& secondary, uint64_t& primary ) {\
      return db_##IDX##_lowerbound( code, scope, table, &secondary, &primary );\
   }\
   static int32_t db_idx_upperbound( uint64_t code, uint64_t scope, uint64_t table, TYPE& secondary, uint64_t& primary ) {\
      return db_##IDX##_upperbound( code, scope, table, &secondary, &primary );\
   }\
};

#define WRAP_SECONDARY_ARRAY_TYPE(IDX, TYPE)\
template<>\
struct secondary_index_db_functions<TYPE> {\
   static int32_t db_idx_next( int32_t iterator, uint64_t* primary )          { return db_##IDX##_next( iterator, primary ); }\
   static int32_t db_idx_previous( int32_t iterator, uint64_t* primary )      { return db_##IDX##_previous( iterator, primary ); }\
   static void    db_idx_remove( int32_t iterator )                           { db_##IDX##_remove( iterator ); }\
   static int32_t db_idx_end( uint64_t code, uint64_t scope, uint64_t table ) { return db_##IDX##_end( code, scope, table ); }\
   static int32_t db_idx_store( uint64_t scope, uint64_t table, uint64_t payer, uint64_t id, const TYPE& secondary ) {\
      return db_##IDX##_store( scope, table, payer, id, secondary.data(), TYPE::num_words() );\
   }\
   static void    db_idx_update( int32_t iterator, uint64_t payer, const TYPE& secondary ) {\
      db_##IDX##_update( iterator, payer, secondary.data(), TYPE::num_words() );\
   }\
   static int32_t db_idx_find_primary( uint64_t code, uint64_t scope, uint64_t table, uint64_t primary, TYPE& secondary ) {\
      return db_##IDX##_find_primary( code, scope, table, secondary.data(), TYPE::num_words(), primary );\
   }\
   static int32_t db_idx_find_secondary( uint64_t code, uint64_t scope, uint64_t table, const TYPE& secondary, uint64_t& primary ) {\
      return db_##IDX##_find_secondary( code, scope, table, secondary.data(), TYPE::num_words(), &primary );\
   }\
   static int32_t db_idx_lowerbound( uint64_t code, uint64_t scope, uint64_t table, TYPE& secondary, uint64_t& primary ) {\
      return db_##IDX##_lowerbound( code, scope, table, secondary.data(), TYPE::num_words(), &primary );\
   }\
   static int32_t db_idx_upperbound( uint64_t code, uint64_t scope, uint64_t table, TYPE& secondary, uint64_t& primary ) {\
      return db_##IDX##_upperbound( code, scope, table, secondary.data(), TYPE::num_words(), &primary );\
   }\
};

#define MAKE_TRAITS_FOR_ARITHMETIC_SECONDARY_KEY(TYPE)\
template<>\
struct secondary_key_traits<TYPE> {\
   static_assert( std::numeric_limits<TYPE>::is_specialized, "TYPE does not have specialized numeric_limits" );\
   static constexpr TYPE true_lowest() { return std::numeric_limits<TYPE>::lowest(); }\
};