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MySQL NDB Cluster API Developer Guide
Download this Manual NdbBlob::setPos()

Description.  This method sets the position within the blob at which to read or write data.


int setPos
      Uint64 pos

Parameters.  The setPos() method takes a single parameter pos (an unsigned 64-bit integer), which is the position for reading or writing data. The value of pos must be between 0 and the blob's current length.


Sparse blobs are not supported in the NDB API; in other words, there can be no unused data positions within a blob.

Return value.  0 on success, -1 on failure.

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