公开(公告)号：CA2383713A1

公开(公告)日：2003-10-26

申请号：CA2383713

申请日：2002-04-26

Applicant: IBM CANADA

Inventor： HURAS MATTHEW A ,  TREMAINE DAVID ,  BERKS ROBERT T ,  FLASZA MIROSLAW A ,  VALENTIN GARY ,  LAU LEO T M ,  MCARTHUR CATHERINE S ,  WINER MICHAEL J

IPC: G06F16/901 ,  G06F17/30 ,  G06F17/60

Abstract: The invention herein provides method and apparatus for managing attribute- tagged index entries contained in an index by assigning or tagging an index entry attribu te indicator to a newly inserted index entry (that is, at the time when a key data value is inserted into the index, the key data value becomes a newly inserted index entry and an attribute indicator i s tagged to the newly inserted index entry). The index entry can be placed anywhere within the index. Once a group of attribute-tagged index entries have been inserted into the index, the attribute identifiers can be switched off instantaneously (that is, the attribute associated with the attribute indicators is disabled). For example, an attribute identifier can be used to defer accessibility of appropriately attribute-tagged index entries until a predetermined time later when the attribute can be disabled and thus allow users to access the attribute-tagged index entries without having to remove the attribute indicators from the index).