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MySQL NDB Cluster API Developer Guide
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2.3.24.10 NdbInterpretedCode::branch_col_eq_null()

Description.  This method tests the value of a table column and jumps to the indicated program label if the column value is NULL.

Signature. 

int branch_col_eq_null
    (
      Uint32 attrId,
      Uint32 Label
    )

Parameters.  This method requires the following two parameters:

  • The attribute ID of the table column

  • The program label to jump to if the column value is NULL

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


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