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From "Pierre-Arnaud Marcelot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DIRSERVER-1004) Support REAL syntax and matchingRules without precision loss
Date Fri, 26 Aug 2011 16:26:40 GMT

     [ https://issues.apache.org/jira/browse/DIRSERVER-1004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pierre-Arnaud Marcelot updated DIRSERVER-1004:
----------------------------------------------

    Fix Version/s:     (was: 2.0.0-M2)
                   2.0.0-M3

> Support REAL syntax and matchingRules without precision loss
> ------------------------------------------------------------
>
>                 Key: DIRSERVER-1004
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1004
>             Project: Directory ApacheDS
>          Issue Type: New Feature
>          Components: schema
>            Reporter: Alex Karasulu
>            Priority: Minor
>             Fix For: 2.0.0-M3
>
>
> There is no real data type syntax in LDAP.  Nor are there matchingRules for attributes
with this
> syntax.  ASN.1 defines an encoding for REAL data types here:
>     http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
> Would really be nice to devise a simple encoding for the base, and mantissa of REAL values

> to be able to track them without rounding errors due to their persistence in the directory.
 
> There's been a lot of conversation about this topic but no one has actually stepped up

> and done it.  Here's some links to these convos:
>     http://www.openldap.org/lists/openldap-bugs/200103/msg00065.html
>    
> Does anyone think they can take a stab at writing an LDAP syntax description for REAL
numbers
> and providing the required SyntaxChecker and matchingRules for it as well?

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