Class PJoin


  • public class PJoin
    extends POperation
    Represents a natural join of two parent SubPlans.
    • Constructor Detail

      • PJoin

        public PJoin()
    • Method Detail

      • numParentSubPlans

        public int numParentSubPlans()
        Specified by:
        numParentSubPlans in class POperation
        Returns:
        the number of SubPlans that must be specified as parents
      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object
      • equals

        public boolean equals​(java.lang.Object obj)
        Overrides:
        equals in class java.lang.Object