2004-04-17 16:17:43 +08:00
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.TH SLAPO-REFINT 5 "RELEASEDATE" "OpenLDAP LDVERSION"
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2009-01-22 08:40:04 +08:00
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.\" Copyright 2004-2009 The OpenLDAP Foundation All Rights Reserved.
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2004-04-17 16:17:43 +08:00
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.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
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.\" $OpenLDAP$
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.SH NAME
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2007-07-25 03:11:39 +08:00
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slapo-refint \- Referential Integrity overlay to slapd
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2004-04-17 16:17:43 +08:00
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.SH SYNOPSIS
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ETCDIR/slapd.conf
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.SH DESCRIPTION
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The Referential Integrity overlay can be used with a backend database such as
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.BR slapd-bdb (5)
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to maintain the cohesiveness of a schema which utilizes reference attributes.
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.LP
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Integrity is maintained by updating database records which contain the named
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attributes to match the results of a
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.B modrdn
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or
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.B delete
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operation. For example, if the integrity attribute were configured as
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2004-04-19 05:36:32 +08:00
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.BR manager ,
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2006-05-30 05:14:36 +08:00
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deletion of the record "uid=robert,ou=people,dc=example,dc=com" would trigger a
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2004-04-17 16:17:43 +08:00
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search for all other records which have a
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.B manager
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attribute containing that DN. Entries matching that search would have their
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.B manager
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attribute removed.
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2006-05-30 05:14:36 +08:00
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Or, renaming the same record into "uid=george,ou=people,dc=example,dc=com"
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would trigger a search for all other records which have a
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.B manager
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attribute containing that DN.
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Entries matching that search would have their
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.B manager
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attribute deleted and replaced by the new DN.
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2004-04-17 16:17:43 +08:00
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.SH CONFIGURATION
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These
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.B slapd.conf
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options apply to the Referential Integrity overlay.
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They should appear after the
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.B overlay
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directive.
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.TP
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2008-05-24 19:57:18 +08:00
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.B refint_attributes <attribute> [...]
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2004-04-19 05:36:32 +08:00
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Specify one or more attributes for which integrity will be maintained
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2004-04-17 16:17:43 +08:00
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as described above.
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.TP
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.B refint_nothing <string>
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Specify an arbitrary value to be used as a placeholder when the last value
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would otherwise be deleted from an attribute. This can be useful in cases
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where the schema requires the existence of an attribute for which referential
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integrity is enforced. The attempted deletion of a required attribute will
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otherwise result in an Object Class Violation, causing the request to fail.
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2008-05-24 19:57:18 +08:00
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The string must be a valid DN.
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.TP
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.B refint_modifiersname <DN>
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Specify the DN to be used as the modifiersName of the internal modifications
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performed by the overlay.
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It defaults to "\fIcn=Referential Integrity Overlay\fP".
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2004-04-17 16:17:43 +08:00
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.B
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.SH FILES
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.TP
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ETCDIR/slapd.conf
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default slapd configuration file
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.SH SEE ALSO
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.BR slapd.conf (5).
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2007-01-03 04:25:16 +08:00
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.SH ACKNOWLEDGEMENTS
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.so ../Project
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