Berkeley DB

Dbt

						#include <db_cxx.h>
						class Dbt {
						public:
						void *get_data()
						const; void set_data(void *);
						u_int32_t get_size() const;
						void set_size(u_int32_t);
						u_int32_t get_ulen() const;
						void set_ulen(u_int32_t);
						u_int32_t get_dlen() const;
						void set_dlen(u_int32_t);
						u_int32_t get_doff() const;
						void set_doff(u_int32_t);
						u_int32_t get_flags() const;
						void set_flags(u_int32_t);
						Dbt(void *data, size_t size);
						Dbt();
						Dbt(const Dbt &);
						Dbt &operator = (const Dbt &);
						∼Dbt();
						};
					

Description

This manual page describes the specific details of the Dbt class, used to encode keys and data items in a database.

Key/Data Pairs

Storage and retrieval for the Db access methods are based on key/data pairs. Both key and data items are represented by Dbt objects. Key and data ...