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Dbc::count |
#include <db_cxx.h>int Dbc::count(db_recno_t *countp, u_int32_t flags);
The Dbc::count method returns a count of the number of data items for the key to which the cursor refers.
The Dbc::count method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success.
The Dbc::count method may fail and throw DbException, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:
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