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RangeOnly - script and chart function

RangeOnly() is a dual function that returns a value if the expression evaluates to one unique value. If this is not the case then NULL is returned.


RangeOnly(first_expr[, Expression])

Return data type: dual


The argument of this function may contain inter-record functions which in themselves return a list of values.

  • first_expr: The expression or field containing the data to be measured.
  • Expression: Optional expressions or fields containing the range of data to be measured.


Examples and results
Example Result
RangeOnly (1,2,4)

Returns NULL

RangeOnly (5,'abc') Returns NULL
RangeOnly (null( ), 'abc')

Returns 'abc'

RangeOnly(10,10,10) Returns 10

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