Class PurgeOperation

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable, Formatable, TypedFormat, Loggable, RePreparable, Undoable

    public final class PurgeOperation
    extends PhysicalPageOperation
    USE WITH EXTREME Caution: Purge records from a Page. Represents purging of a range of rows from the page.
    See Also:
    Page.purgeAtSlot(int, int, boolean), Serialized Form
    Format IDLOGOP_PURGE the formatId is written by FormatIdOutputStream when this object is written out by writeObject
    Purpose
    purge num_rows from the page
    Upgrade
    Disk LayoutPagePhysicalOperation the super class slot(CompressedInt) the slot to start purging num_rows(CompressedInt) number of rows rows to purge recordIds(CompressedInt[num_rows]) the recordIds of the purged rows OptionalData the before images of the rows that were purged