C++ Interface
| Section | Class/Method | Description |
|---|---|---|
| Database Environment | DbEnv | Create an environment handle |
| DbEnv::close | Close an environment | |
| DbEnv::err | Error message with error string | |
| DbEnv::errx | Error message | |
| DbEnv::open | Open an environment | |
| DbEnv::remove | Remove an environment | |
| DbEnv::set_alloc | Set local space allocation functions | |
| DbEnv::set_data_dir | Set the environment data directory | |
| DbEnv::set_errcall | Set error message callback | |
| DbEnv::set_errfile | Set error message FILE | |
| DbEnv::set_error_stream | Set error message output stream | |
| DbEnv::set_errpfx | Set error message prefix | |
| DbEnv::set_feedback | Set feedback callback | |
| DbEnv::set_flags | Environment configuration | |
| DbEnv::set_paniccall | Set panic callback | |
| DbEnv::set_recovery_init | Set recovery initialization callback | |
| DbEnv::set_rpc_server | Establish an RPC server connection | |
| DbEnv::set_shm_key | Set system memory shared segment ID | |
| DbEnv::set_tas_spins | Set the number of test-and-set spins | |
| DbEnv::set_tmp_dir | Set the environment temporary file directory | |
| DbEnv::set_timeout | Set lock and transaction timeout | |
| DbEnv::set_verbose | Set verbose messages | |
| DbEnv::strerror | Error strings | |
| DbEnv::version | Return version information | |
| Database Operations | Db | Create a database handle |
| Db::associate | Associate a secondary index | |
| Db::close | Close a database | |
| Db::del | Delete items from a database | |
| Db::fd | Return a file descriptor from a database | |
| Db::get, Db::pget | Get items from a database | |
| Db::get_byteswapped | Return if the underlying database is in host order | |
| Db::get_type | Return the database type | |
| Db::join | Perform a database join on cursors | |
| Db::key_range | Return estimate of key location | |
| Db::open | Open a database | |
| Db::put | Store items into a database | |
| Db::remove | Remove a database | |
| Db::rename | Rename a database | |
| Db::stat | Return database statistics | |
| Db::sync | Flush a database to stable storage | |
| Db::truncate | Empty a database | |
| Db::upgrade | Upgrade a database | |
| Db::verify | Verify/salvage a database | |
| Database Configuration | Db::err | Error message with error string |
| Db::errx | Error message | |
| Db::set_alloc | Set local space allocation functions | |
| Db::set_cachesize | Set the database cache size | |
| Db::set_dup_compare | Set a duplicate comparison function | |
| Db::set_errcall | Set error message callback | |
| Db::set_errfile | Set error message FILE | |
| Db::set_errpfx | Set error message prefix | |
| Db::set_feedback | Set feedback callback | |
| Db::set_flags | General database configuration | |
| Db::set_pagesize | Set the underlying database page size | |
| Db::set_paniccall | Set panic callback | |
| Btree/Recno Configuration | Db::set_append_recno | Set record append callback |
| Db::set_bt_compare | Set a Btree comparison function | |
| Db::set_bt_minkey | Set the minimum number of keys per Btree page | |
| Db::set_bt_prefix | Set a Btree prefix comparison function | |
| Db::set_re_delim | Set the variable-length record delimiter | |
| Db::set_re_len | Set the fixed-length record length | |
| Db::set_re_pad | Set the fixed-length record pad byte | |
| Db::set_re_source | Set the backing Recno text file | |
| Hash Configuration | Db::set_h_ffactor | Set the Hash table density |
| Db::set_h_hash | Set a hashing function | |
| Db::set_h_nelem | Set the Hash table size | |
| Db::set_lorder | Set the database byte order | |
| Queue Configuration | Db::set_q_extentsize | Set Queue database extent size |
| Database Cursor Operations | Dbc | Cursor class |
| Db::cursor | Create a cursor handle | |
| Dbc::close | Close a cursor | |
| Dbc::count | Return count of duplicates | |
| Dbc::del | Delete by cursor | |
| Dbc::dup | Duplicate a cursor | |
| Dbc::get, Dbc::pget | Retrieve by cursor | |
| Dbc::put | Store by cursor | |
| Key/Data Pairs | Dbt | |
| Bulk Retrieval | DB_MULTIPLE_INIT | |
| Lock Subsystem | DbEnv::set_lk_conflicts | Set lock conflicts matrix |
| DbEnv::set_lk_detect | Set automatic deadlock detection | |
| DbEnv::set_lk_max_lockers | Set maximum number of lockers | |
| DbEnv::set_lk_max_locks | Set maximum number of locks | |
| DbEnv::set_lk_max_objects | Set maximum number of lock objects | |
| DbEnv::lock_detect | Perform deadlock detection | |
| DbEnv::lock_get | Acquire a lock | |
| DbEnv::lock_id | Acquire a locker ID | |
| DbEnv::lock_id_free | Release a locker ID | |
| DbEnv::lock_put | Release a lock | |
| DbEnv::lock_stat | Return lock subsystem statistics | |
| DbEnv::lock_vec | Acquire/release locks | |
| Log Subsystem | DbEnv::set_lg_bsize | Set log buffer size |
| DbEnv::set_lg_dir | Set the environment logging directory | |
| DbEnv::set_lg_max | Set log file size | |
| DbEnv::set_lg_regionmax | Set logging region size | |
| DbEnv::log_archive | List log and database files | |
| DbEnv::log_file | Map Log Sequence Numbers to log files | |
| DbEnv::log_flush | Flush log records | |
| DbEnv::log_put | Write a log record | |
| DbEnv::log_register | Register a filename with the log manager | |
| DbEnv::log_stat | Return log subsystem statistics | |
| DbEnv::log_unregister | Unregister a filename with the log manager | |
| Log Cursor Operations | DbLogc | Log cursor class |
| DbEnv::log_cursor | Create a log cursor handle | |
| DbLogc::logc_close | Close a log cursor | |
| DbLogc::logc_get | Retrieve a log record | |
| Log Sequence Numbers | DbLsn | |
| DbEnv::log_compare | Compare two Log Sequence Numbers | |
| Memory Pool Subsystem | DbEnv::set_cachesize | Set the environment cache size |
| DbEnv::set_mp_mmapsize | Set maximum mapped-in database file size | |
| DbEnv::memp_register | Register input/output functions for a file in a memory pool | |
| DbEnv::memp_stat | Return memory pool statistics | |
| DbEnv::memp_sync | Flush pages from a memory pool | |
| DbEnv::memp_trickle | Trickle flush pages from a memory pool | |
| Memory Pool Files | DbMpoolFile | Memory Pool File class |
| DbEnv::memp_fcreate | Open a file in a memory pool | |
| DbMpoolFile::close | Close a file in a memory pool | |
| DbMpoolFile::get | Get page from a file in a memory pool | |
| DbMpoolFile::open | Open a file in a memory pool | |
| DbMpoolFile::put | Return a page to a memory pool | |
| DbMpoolFile::set | Set memory pool page status | |
| DbMpoolFile::sync | Flush pages from a file in a memory pool | |
| DbMpoolFile::set_clear_len | Set file page bytes to be cleared | |
| DbMpoolFile::set_fileid | Set file unique identifier | |
| DbMpoolFile::set_ftype | Set file type | |
| DbMpoolFile::set_lsn_offset | Set file log-sequence-number offset | |
| DbMpoolFile::set_pgcookie | Set file cookie for pgin/pgout | |
| Transaction Subsystem | DbEnv::set_tx_max | Set maximum number of transactions |
| DbEnv::set_tx_recover | Set transaction abort recover function | |
| DbEnv::set_tx_timestamp | Set recovery timestamp | |
| DbEnv::txn_checkpoint | Checkpoint the transaction subsystem | |
| DbEnv::txn_recover | Distributed transaction recovery | |
| DbEnv::txn_stat | Return transaction subsystem statistics | |
| Transactions | DbTxn | Transaction class |
| DbEnv::txn_begin | Begin a transaction | |
| DbTxn::abort | Abort a transaction | |
| DbTxn::commit | Commit a transaction | |
| DbTxn::discard | Discard a prepared but not resolved transaction handle | |
| DbTxn::id | Return a transaction's ID | |
| DbTxn::prepare | Prepare a transaction for commit | |
| DbTxn::set_timeout | Set transaction timeout | |
| Replication | DbEnv::set_rep_transport | Configure replication transport |
| DbEnv::rep_elect | Hold a replication election | |
| DbEnv::rep_process_message | Process a replication message | |
| DbEnv::rep_start | Configure an environment for replication | |
| Exceptions | DbException | Exception Class for Berkeley DB Activity |
| DbException::get_errno | Get the error value | |
| DbException::what | Get the error string | |
| DbMemoryException | Exception Class for insufficient memory | |
| DbMemoryException::get_dbt | Get the failing Dbt |