Class: BDB::Recno

^Class BDB::Recno

In:	bdb.rb
Parent:	Common

Stores both fixed and variable-length records with logical record numbers as keys

Methods

pop push shift stat

Public Instance methods

stat(flags = 0)

Return an Hash with the fields (description for 4.0.14)

bt_magic : Magic number that identifies the file as a Btree database.
bt_version : The version of the Btree database.
bt_nkeys : The exact number of records in the database.
bt_ndata : The exact number of records in the database.
bt_pagesize : Underlying database page size, in bytes.
bt_minkey : The minimum keys per page.
bt_re_len : The length of fixed-length records.
bt_re_pad : The padding byte value for fixed-length records.
bt_levels : Number of levels in the database.
bt_int_pg : Number of database internal pages.
bt_leaf_pg : Number of database leaf pages.
bt_dup_pg : Number of database duplicate pages.
bt_over_pg : Number of database overflow pages.
bt_free : Number of pages on the free list.
bt_int_pgfree : Number of bytes free in database internal pages.
bt_leaf_pgfree : Number of bytes free in database leaf pages.
bt_dup_pgfree : Number of bytes free in database duplicate pages.
bt_over_pgfree : Number of bytes free in database overflow pages.

pop()

Returns the last couple [key, val] (only for BDB::Recno)

push(values)

Push the values

Removes and returns an association from the database.