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    Command:

    slapo-valsort

    
    
    

    SYNOPSIS

           /etc/openldap/slapd.conf
    
    
    

    DESCRIPTION

           The  Value  Sorting overlay can be used with a backend database to sort
           the values of specific multi-valued attributes within  a  subtree.  The
           sorting  occurs  whenever  the  attributes  are  returned  in  a search
           response.
    
           Sorting can be specified in ascending or descending order, using either
           numeric  or  alphanumeric sort methods. Additionally, a "weighted" sort
           can be  specified,  which  uses  a  numeric  weight  prepended  to  the
           attribute  values.   The weighted sort is always performed in ascending
           order, but may be combined with the other methods for values  that  all
           have  equal  weights.  The weight is specified by prepending an integer
           weight {<weight>} in front of each value of  the  attribute  for  which
           weighted  sorting is desired. This weighting factor is stripped off and
           not returned in search results unless the valsort control is  specified
           (1.3.6.1.4.1.4203.666.5.14).
    
           The valsort control requires a value consisting of a Sequence that con-
           tains a boolean flag. The weighting factor  is  only  returned  if  the
           boolean  value  is  TRUE.  In lber-encode(3) format, the required value
           must conform to "{b}" syntax.
    
    
    

    CONFIGURATION

           These slapd.conf options apply to  the  Value  Sorting  overlay.   They
           should appear after the overlay directive.
    
           valsort-attr  <attribute>  <baseDN>  (<sort-method>  | weighted [<sort-
           method>])
                  Configure  a  sorting  method for the specified attribute in the
                  subtree rooted  at  baseDN.   The  sort-method  may  be  one  of
                  alpha-ascend, alpha-descend, numeric-ascend, or numeric-descend.
                  If the special weighted method is specified, a  secondary  sort-
                  method  may  also  be  specified.  It  is an error to specify an
                  alphanumeric sort-method for an attribute with Integer or Numer-
                  icString  syntax,  and it is an error to specify a numeric sort-
                  method for an attribute with a  syntax  other  than  Integer  or
                  NumericString.
    
    
    

    EXAMPLES

                database bdb
                suffix dc=example,dc=com
                ...
                overlay valsort
                valsort-attr member ou=groups,dc=example,dc=com alpha-ascend
    
           To  invoke  ldapsearch(1)  with  the valsort control, the control value
           must be set appropriately.  The following octets represent the  desired
           "{b}" encoding:
           slapd.conf(5), slapd-config(5).
    
    
    

    ACKNOWLEDGEMENTS

           This module was written in 2005 by Howard Chu of Symas Corporation. The
           work was sponsored by Stanford University.
    
    
    

    OpenLDAP 2.4.40 2014/09/20 SLAPO-VALSORT(5)

    
    
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