Class BDB::Recno
In: comxxx.rb
Parent: BDB::Common

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

Inherit from BDB::Common

Methods

shift   stat  

Public Instance methods

Removes and returns an association from the database.

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.

[Validate]