Attribute Presence Index

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Sun OpenDS Standard Edition 2.0 Architectural Reference

Document Information

The Directory Server Access Control Model

Understanding the Directory Server Schema

Index Databases

Index Entry Limit

Attribute Equality Index

Attribute Presence Index

Attribute Substring Index

Attribute Ordering Index

Search Evaluation

Understanding Directory Server Plug-Ins

Directory Server Replication

Root Users and the Privilege Subsystem

Supported Controls and Operations

A presence index is a type of index that is used to keep track of the entries that have at least one value for a specified attribute. There is only a single presence index key per attribute, and itsID list contains the entry IDs for all entries that contain the specified attribute.