类 ColumnIndex

    • 构造器详细资料

      • ColumnIndex

        public ColumnIndex()
    • 方法详细资料

      • getNames

        public List<String> getNames()
        Get column names
        返回:
        Column names
      • getDataTypes

        public List<DataType> getDataTypes()
        Get Column data types
        返回:
        Column data types
      • getFormats

        public List<String> getFormats()
        Get column data formats
        返回:
        Column data formats
      • indexOfName

        public int indexOfName​(String colName)
        Index of column name
        参数:
        colName - Column name
        返回:
        Index value
      • indexOfName

        public List<Integer> indexOfName​(List<String> colNames)
        Index of column names
        参数:
        colNames - Column names
        返回:
        Index list
      • isSameDataType

        public boolean isSameDataType()
        Check if the data types of all columns are same
        返回:
        Boolean
      • asIndex

        public Index asIndex()
        Convert to string index
        返回:
        String index