object NormalizeColumnName extends Serializable

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  12. def normalizeColumnName(df: DataFrame, columns: List[String]): DataFrame

    Apply a normalization over a dataframe column names.

    Apply a normalization over a dataframe column names. First try to replace all special char by underscores. If it doesn't create duplicates then apply this normalization Else, replace all special char by the ansii code Finally, if the latter normalization creates duplicates, add the idx of the column to the name.

    df

    dataframe to normalize

    columns

    columns to normalize

    returns

    a normalized dataframe

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  15. val replace_special_char_by_ansii_code: (String, Int, Array[String]) ⇒ String
  16. val replace_special_char_by_underscore: (String) ⇒ String
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