def determineType()

in src/main/scala/com/amazon/deequ/analyzers/DataType.scala [116:143]

• 22 lines of code
• 8 McCabe index (conditional complexity)

  def determineType(dist: Distribution): DataTypeInstances.Value = {

    import DataTypeInstances._

    // If all are unknown, we can't decide
    if (ratioOf(Unknown, dist) == 1.0) {
      Unknown
    } else {
      // If we saw string values or a mix of boolean and numbers, we decide for String
      if (ratioOf(String, dist) > 0.0 ||
        (ratioOf(Boolean, dist) > 0.0 &&
          (ratioOf(Integral, dist) > 0.0 || ratioOf(Fractional, dist) > 0.0))) {
        String
      } else {
        // If we have boolean (but no numbers, because we checked for that), we go with boolean
        if (ratioOf(Boolean, dist) > 0.0) {
          Boolean
        } else {
          // If we have seen one fractional, we go with that type
          if (ratioOf(Fractional, dist) > 0.0) {
            Fractional
          } else {
            Integral
          }
        }
      }
    }
  }