Berkeley DB

Db::set_bt_minkey

						#include <db_cxx.h>
						int
						Db::set_bt_minkey(u_int32_t bt_minkey);
					

Description

Set the minimum number of keys that will be stored on any single Btree page.

This value is used to determine which keys will be stored on overflow pages; that is, if a key or data item is larger than the underlying database page size divided by the bt_minkey value, it will be stored on overflow pages instead of within the page itself. The bt_minkey value specified must be at least 2; if bt_minkey is not explicitly set, a value of 2 is used.

The Db::set_bt_minkey interface may only be used to configure Berkeley DB before the Db::open interface is called.

The Db::set_bt_minkey method either returns a non-zero error value or throws an exception that ...