public void set_re_len(int re_len) throws DbException;
For the Queue access method, specify that the records are of length re_len.
For the Recno access method, specify that the records are fixed-length, not byte-delimited, and are of length re_len.
Any records added to the database that are less than re_len bytes long are automatically padded (see Db.set_re_pad for more information).
Any attempt to insert records into the database that are greater than re_len bytes long will cause the call to fail immediately and return an error.
The Db.set_re_len interface may be used only to configure Berkeley DB before the Db.open interface is called.
The Db.set_re_len method throws an exception that encapsulates a non-zero error value on failure.
The Db.set_re_len method may fail and throw an exception encapsulating a non-zero error for the following conditions:
Called after Db.open was called.
The Db.set_re_len method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods. If a catastrophic error has occurred, the Db.set_re_len method may fail and throw a DbRunRecoveryException, in which case all subsequent Berkeley DB calls will fail in the same way.
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