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Berkeley DB
book

Berkeley DB

by Sleepycat™ Software, Inc.
June 2001
Intermediate to advanced content levelIntermediate to advanced
688 pages
19h 18m
English
Sams
Content preview from Berkeley DB

Dbc.del

						import com.sleepycat.db.*;
						public int del(int flags)
						throws DbException;
					

Description

The Dbc.del method deletes the key/data pair currently referenced by the cursor.

The flags parameter is currently unused, and must be set to 0.

The cursor position is unchanged after a delete, and subsequent calls to cursor functions expecting the cursor to reference an existing key will fail.

If the element has already been deleted, Dbc.del will return DB_KEYEMPTY.

If the cursor is not yet initialized, the Dbc.del method throws an exception that encapsulates EINVAL.

Otherwise, the Dbc.del method throws an exception that encapsulates a non-zero error value on failure.

Errors

The Dbc.del method may fail and throw an exception encapsulating a non-zero ...

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Publisher Resources

ISBN: 0735710643Purchase book