[ < ] | [ > ] | [ << ] | [ Up ] | [ >> ] | [Top] | [Contents] | [Index] | [ ? ] |
This function returns non-nil
if object is a database.
55.1 Connecting to a Database | ||
55.2 Working With a Database | ||
55.3 Other Database Functions |
[ < ] | [ > ] | [ << ] | [ Up ] | [ >> ] | [Top] | [Contents] | [Index] | [ ? ] |
This function opens database file, using database method
type and subtype, with access rights access and
permissions mode. access can be any combination of r
w
and +
, for read, write, and creation flags.
type can have the value 'dbm
or 'berkeley-db
to
select the type of database file to use. (Note: XEmacs may not
support both of these types.)
For a type of 'dbm
, there are no subtypes, so
subtype should be nil
.
For a type of 'berkeley-db
, the following subtypes are
available: 'hash
, 'btree
, and 'recno
. See the
manpages for the Berkeley DB functions for more information about these
types.
This function closes database database.
This function returns t
if object is an active database, else
nil
.
[ < ] | [ > ] | [ << ] | [ Up ] | [ >> ] | [Top] | [Contents] | [Index] | [ ? ] |
This function finds the value for key in database. If there is no
corresponding value, default is returned (nil
if default is
omitted).
This function maps function over entries in database, calling it with two args, each key and value in the database.
This function stores key and value in database.
If optional fourth arg replace is non-nil
, replace any
existing entry in the database.
This function removes key from database.
[ << ] | [ >> ] | [Top] | [Contents] | [Index] | [ ? ] |
This document was generated by Aidan Kehoe on December 27, 2016 using texi2html 1.82.