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From "Billie Rinaldi (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-461) Provide convenient mechanism for checking constraints client side
Date Wed, 02 May 2012 20:24:50 GMT


Billie Rinaldi commented on ACCUMULO-461:

The ConstraintLoader and ConstraintChecker are in the server module.  Do we think they should
be moved to the client module?  It doesn't seem like a good idea to make a separate loader
and checker for the client.
> Provide convenient mechanism for checking constraints client side
> -----------------------------------------------------------------
>                 Key: ACCUMULO-461
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: client
>            Reporter: John Vines
>            Assignee: Billie Rinaldi
>             Fix For: 1.5.0
> Currently constraints are run on the server side. If the user is running a map reduce
which is writing, they may want to make attempts to validate data before writing to make error
handling easier. We should provide a generic client mechanism to load a table's constraints
and check them before sending them to the batchwriter. 

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