,I&Berkeley DB: Dbc::close[P

Dbc::close





#include <db_cxx.h>

intDbc::close(void);





Description



*The Dbc::close method discards the cursor.

IIt is possible for the Dbc::close method to return EAGAIN, signaling thatCany enclosing transaction should be aborted. If the application isIalready intending to abort the transaction, this error should be ignored,#and the application should proceed.

>Once Dbc::close has been called, regardless of its return, the$cursor handle may not be used again.

The Dbc::close>method either returns errno or throws an exception that:encapsulates an errno on failure, and 0 on success.



Errors

QIf a fatal error occurs in Berkeley DB, the Dbc::close method may fail and eitherIreturn DB_RUNRECOVERY or throw an exception encapsulating DB_RUNRECOVERY,Gat which point all subsequent database calls will also fail in the sameFway. Methods marked as returning errno will, by default, throwHan exception that encapsulates the error information. The default error\behavior can be changed, see DbException.

The Dbc::close&method may fail and throw an exceptionKfor any of the errors specified for the following Berkeley DB and C library functions:__account_page(3),dbc->c_am_close(3),dbenv->db_paniccall(3), fflush(3), fprintf(3),free(3),func(3),>DbLockTab::get,8DbLock::put,>DbLockTab::vec,6DbLog::put, malloc(3), memcpy(3), memmove(3),BDbMpoolFile::get,BDbMpoolFile::put,BDbMpoolFile::set, memset(3), realloc(3), strerror(3), vfprintf(3),and vsnprintf(3).

In addition, the Dbc::close&method may fail and throw an exceptionor return errnofor the following conditions:

(

EAGAIN
A lock was unavailable.




Class

.Dbc



See Also

Dbc::close,2Dbc::del,1Dbc::getand2Dbc::put.
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