Package org.apache.spark.sql.connector.read

Record Class SupportsPushDownJoin.ColumnWithAlias

Object
Record
org.apache.spark.sql.connector.read.SupportsPushDownJoin.ColumnWithAlias
Enclosing interface:
SupportsPushDownJoin
public static record SupportsPushDownJoin.ColumnWithAlias(String colName, String alias) extends Record
A helper class used when there are duplicated names coming from 2 sides of the join operator.
Holds information of original output name and the alias of the new output.

  • Constructor Summary

    Constructors
    Constructor
    Description
    ColumnWithAlias(String colName, String alias)
    Creates an instance of a ColumnWithAlias record class.

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    alias()
    Returns the value of the alias record component.
    String
    colName()
    Returns the value of the colName record component.
    final boolean
    equals(Object o)
    Indicates whether some other object is "equal to" this one.
    final int
    hashCode()
    Returns a hash code value for this object.
    String
    prettyString()
     
    final String
    toString()
    Returns a string representation of this record class.

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • ColumnWithAlias

      public ColumnWithAlias(String colName, String alias)
      Creates an instance of a ColumnWithAlias record class.
      Parameters:
      colName - the value for the colName record component
      alias - the value for the alias record component

  • Method Details

    • prettyString

      public String prettyString()

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • colName

      public String colName()
      Returns the value of the colName record component.
      Returns:
      the value of the colName record component

    • alias

      public String alias()
      Returns the value of the alias record component.
      Returns:
      the value of the alias record component