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 Changes in the Firebird EngineReserved Words and Changes 

Main API Extensions

A number of new methods have been added to the following interfaces.

ResultSet

void getInfo(Status status,
             uint itemsLength, const uchar* items,
             uint bufferLength, uchar* buffer);

Used to query cursor information.Currently, only one information item is supported, INF_RECORD_COUNT.INF_RECORD_COUNT returns the number of records cached by the scrollable cursor, or -1 for a uni-directional (forward-only) cursor.

Extensions to various getInfo() Methods

Statement::getInfo()

The following actions were added:

isc_info_sql_exec_path_blr_bytes

Execution path as BLR (binary format)
isc_info_sql_exec_path_blr_text

Execution path as BLR (textual format)

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Services API Extensions

Support for parallel operations

Added support for parallel operations.

The following options were added:

isc_spb_bkp_parallel_workers

number of parallel workers for backup
isc_spb_res_parallel_workers

number of parallel workers for restore
isc_spb_rpr_par_workers

number of parallel workers for sweep

Examples of use of new parameters in fbsvcmgr utility (login and password were left out for brevity):

fbsvcmgr -action_backup -bkp_parallel_workers 4 <dbname> <backupname>
fbsvcmgr -action_restore -res_parallel_workers 4 <backupname> <dbname>
fbsvcmgr -action_repair -rpr_sweep_db -rpr_par_workers 4 <dbname>

Support for gfix -upgrade

Added support for minor ODS upgrade.

The following option was added:

isc_spb_rpr_upgrade_db

upgrade database

Example of use of new parameter in fbsvcmgr utility (login and password were left out for brevity):

fbsvcmgr -action_repair -rpr_upgrade_db <dbname>