Description.  This method is used to update the current tuple.

Signature. 

NdbOperation* updateCurrentTuple
    (
      void
    )

or

NdbOperation* updateCurrentTuple
    (
      NdbTransaction* updateTrans
    )

Beginning with MySQL Cluster NDB 6.2.3, it is also possible to employ this method, when using NdbRecord with scans, as shown here:

NdbOperation* updateCurrentTuple
    (
      NdbTransaction*      takeOverTrans,
      const NdbRecord*     record,
      const char*          row,
      const unsigned char* mask = 0
    )

See Section 4.25, “The NdbRecord Interface”, for more information.

Parameters.  This method takes a single, optional parameter — the transaction that should perform the lock. If this is omitted, the transaction is the current one.

Parameters when using NdbRecord.  When using the NdbRecord interface (beginning with MySQL Cluster NDB 6.2.3), this method takes the following parameters, as described here:

Return Value.  This method returns an NdbOperation object or NULL. (See Section 4.15, “The NdbOperation Class”.)