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MySQL NDB Cluster API Developer Guide
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2.3.24.39 NdbInterpretedCode::load_const_null()

Description.  This method is used to load a NULL value into a register.

Signature. 

int load_const_null
    (
      Uint32 RegDest
    )

Parameters.  This method takes a single parameter, the register into which to place the NULL.

Return value.  Returns 0 on success, -1 otherwise.