- Berkeley DB Reference Guide:
- Access Methods
The DB->get method retrieves records from the database. In general,
DB->get takes a key and returns the associated data from the
There are a few flags that you can set to customize retrieval:
- Search for a matching key and data item, that is, only return success
if both the key and the data items match those stored in the database.
- Read-modify-write: acquire write locks instead of read locks during
retrieval. This can enhance performance in threaded applications by
reducing the chance of deadlock.
- If the underlying database is a Btree, and was configured so that it
is possible to search it by logical record number, retrieve a specific
If the database has been configured to support duplicate records,
DB->get will always return the first data item in the duplicate
Copyright (c) 1996-2005 Sleepycat Software, Inc. - All rights reserved.