Enum ColumnExplorer.ImplicitFileColumns

All Implemented Interfaces:
Serializable, Comparable<ColumnExplorer.ImplicitFileColumns>, ColumnExplorer.ImplicitFileColumn
Enclosing class:

public static enum ColumnExplorer.ImplicitFileColumns extends Enum<ColumnExplorer.ImplicitFileColumns> implements ColumnExplorer.ImplicitFileColumn
Columns that give information from where file data comes from. Columns are implicit, so should be called explicitly in query
  • Enum Constant Details

  • Method Details

    • values

      public static ColumnExplorer.ImplicitFileColumns[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      an array containing the constants of this enum type, in the order they are declared
    • valueOf

      public static ColumnExplorer.ImplicitFileColumns valueOf(String name)
      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      name - the name of the enum constant to be returned.
      the enum constant with the specified name
      IllegalArgumentException - if this enum type has no constant with the specified name
      NullPointerException - if the argument is null
    • optionName

      public String optionName()
      The name of the session/system option that gives the effective name of this implicit column when parsing columns by name.
      Specified by:
      optionName in interface ColumnExplorer.ImplicitFileColumn
      option name for obtaining implicit column name.
    • propertyValue

      public String propertyValue()
      The name of the column property that indicates the implicit column type when using a provided schema. The property value lives in a name space separate from column names and so is fixed: it remains the same independent of system/session options.
    • getValue

      public abstract String getValue(org.apache.hadoop.fs.Path path)
      Using file path calculates value for each implicit file column