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MySQL NDB Cluster API Developer Guide
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2.3.24.27 NdbInterpretedCode::branch_ne_null()

Description.  This method compares a register value with NULL; if the value is not null, then the interpreted program jumps to the specified label.

Signature. 

int branch_ne_null
    (
      Uint32 RegLvalue,
      Uint32 Label
    )

Parameters.  This method takes two parameters, the register whose value is to be compared with NULL (RegLvalue) and the program Label to jump to if RegLvalue is not null. Label must have been defined previously using def_label() (see Section 2.3.24.30, “NdbInterpretedCode::def_label()”).

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


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