Berkeley DB: C Interface

Section	Method	Description
Database Environment	db_env_create	Create an environment handle
	DB_ENV->close	Close an environment
	DB_ENV->dbremove	Remove a database
	DB_ENV->dbrename	Rename a database
	DB_ENV->err	Error message with error string
	DB_ENV->errx	Error message
	DB_ENV->open	Open an environment
	DB_ENV->remove	Remove an environment
	db_strerror	Error strings
	db_version	Return version information
Environment Configuration	DB_ENV->set_app_dispatch	Configure application recovery interface
	DB_ENV->set_alloc	Set local space allocation functions
	DB_ENV->set_data_dir	Set the environment data directory
	DB_ENV->set_encrypt	Set the environment cryptographic key
	DB_ENV->set_errcall	Set error message callback
	DB_ENV->set_errfile	Set error message FILE
	DB_ENV->set_errpfx	Set error message prefix
	DB_ENV->set_feedback	Set feedback callback
	DB_ENV->set_flags	Environment configuration
	DB_ENV->set_paniccall	Set panic callback
	DB_ENV->set_rpc_server	Establish an RPC server connection
	DB_ENV->set_shm_key	Set system memory shared segment ID
	DB_ENV->set_tas_spins	Set the number of test-and-set spins
	DB_ENV->set_timeout	Set lock and transaction timeout
	DB_ENV->set_tmp_dir	Set the environment temporary file directory
	DB_ENV->set_verbose	Set verbose messages
Database Operations	db_create	Create a database handle
	DB->associate	Associate a secondary index
	DB->close	Close a database
	DB->del	Delete items from a database
	DB->err	Error message with error string
	DB->errx	Error message
	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->set_alloc	Set local space allocation functions
	DB->set_cache_priority	Set the database cache priority
	DB->set_cachesize	Set the database cache size
	DB->set_dup_compare	Set a duplicate comparison function
	DB->set_encrypt	Set the database cryptographic key
	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_lorder	Set the database byte order
	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
Queue Configuration	DB->set_q_extentsize	Set Queue database extent size
Database Cursor Operations	DB->cursor	Create a cursor handle
	DBcursor->c_close	Close a cursor
	DBcursor->c_count	Return count of duplicates
	DBcursor->c_del	Delete by cursor
	DBcursor->c_dup	Duplicate a cursor
	DBcursor->c_get, DBcursor->c_pget	Retrieve by cursor
	DBcursor->c_put	Store by cursor
Key/Data Pairs	DBT
Bulk Retrieval	DB_MULTIPLE_INIT
Lock Subsystem	DB_ENV->set_lk_conflicts	Set lock conflicts matrix
	DB_ENV->set_lk_detect	Set automatic deadlock detection
	DB_ENV->set_lk_max_lockers	Set maximum number of lockers
	DB_ENV->set_lk_max_locks	Set maximum number of locks
	DB_ENV->set_lk_max_objects	Set maximum number of lock objects
	DB_ENV->lock_detect	Perform deadlock detection
	DB_ENV->lock_get	Acquire a lock
	DB_ENV->lock_id	Acquire a locker ID
	DB_ENV->lock_id_free	Release a locker ID
	DB_ENV->lock_put	Release a lock
	DB_ENV->lock_stat	Return lock subsystem statistics
	DB_ENV->lock_vec	Acquire/release locks
Log Subsystem	DB_ENV->set_lg_bsize	Set log buffer size
	DB_ENV->set_lg_dir	Set the environment logging directory
	DB_ENV->set_lg_max	Set log file size
	DB_ENV->set_lg_regionmax	Set logging region size
	DB_ENV->log_archive	List log and database files
	DB_ENV->log_file	Map Log Sequence Numbers to log files
	DB_ENV->log_flush	Flush log records
	DB_ENV->log_put	Write a log record
	DB_ENV->log_stat	Return log subsystem statistics
Log Cursor Operations	DB_ENV->log_cursor	Create a log cursor handle
	DB_LOGC->close	Close a log cursor
	DB_LOGC->get	Retrieve a log record
Log Sequence Numbers	DB_LSN
	log_compare	Compare two Log Sequence Numbers
Memory Pool Subsystem	DB_ENV->set_cachesize	Set the environment cache size
	DB_ENV->set_mp_mmapsize	Set maximum mapped-in database file size
	DB_ENV->memp_register	Register input/output functions for a file in a memory pool
	DB_ENV->memp_stat	Return memory pool statistics
	DB_ENV->memp_sync	Flush pages from a memory pool
	DB_ENV->memp_trickle	Trickle flush pages from a memory pool
Memory Pool Files	DB_ENV->memp_fcreate	Open a file in a memory pool
	DB_MPOOLFILE->close	Close a file in a memory pool
	DB_MPOOLFILE->get	Get page from a file in a memory pool
	DB_MPOOLFILE->open	Open a file in a memory pool
	DB_MPOOLFILE->put	Return a page to a memory pool
	DB_MPOOLFILE->set	Set memory pool page status
	DB_MPOOLFILE->sync	Flush pages from a file in a memory pool
	DB_MPOOLFILE->set_clear_len	Set file page bytes to be cleared
	DB_MPOOLFILE->set_fileid	Set file unique identifier
	DB_MPOOLFILE->set_ftype	Set file type
	DB_MPOOLFILE->set_lsn_offset	Set file log-sequence-number offset
	DB_MPOOLFILE->set_pgcookie	Set file cookie for pgin/pgout
Transaction Subsystem	DB_ENV->set_tx_max	Set maximum number of transactions
	DB_ENV->set_tx_timestamp	Set recovery timestamp
	DB_ENV->txn_checkpoint	Checkpoint the transaction subsystem
	DB_ENV->txn_recover	Distributed transaction recovery
	DB_ENV->txn_stat	Return transaction subsystem statistics
Transactions	DB_ENV->txn_begin	Begin a transaction
	DB_TXN->abort	Abort a transaction
	DB_TXN->commit	Commit a transaction
	DB_TXN->discard	Discard a prepared but not resolved transaction handle
	DB_TXN->id	Return a transaction's ID
	DB_TXN->prepare	Prepare a transaction for commit
	DB_TXN->set_timeout	Set transaction timeout
Replication	DB_ENV->set_rep_transport	Configure replication transport
	DB_ENV->rep_elect	Hold a replication election
	DB_ENV->set_rep_limit	Limit data sent in response to a single message
	DB_ENV->rep_process_message	Process a replication message
	DB_ENV->rep_start	Configure an environment for replication
	DB_ENV->rep_stat	Replication statistics
Historic Interfaces	dbm	UNIX Dbm/Ndbm Interfaces
	hsearch	UNIX Hsearch Interfaces
System Configuration	Run-time configuration	Replace underlying Berkeley DB system interfaces

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