Package io.trino.spi.connector

Interface ColumnHandle

public interface ColumnHandle
Represents a handle to a column within a ConnectorTableHandle returned from the connector to the engine. It will be used by the engine whenever given column will be accessed.

ColumnHandle should follow:

  • a table cannot have two equal column handles
  • column handle is unique within a table scope. Two different tables can have two equal column handles

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    equals(Object other)
     
    int
    hashCode()