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From "Venkatesh Seetharam (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SQOOP-638) Add an optional, simple and extensible validation framework for sqoop
Date Mon, 22 Oct 2012 00:28:12 GMT

     [ https://issues.apache.org/jira/browse/SQOOP-638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Venkatesh Seetharam reassigned SQOOP-638:
-----------------------------------------

    Assignee: Venkatesh Seetharam
    
> Add an optional, simple and extensible validation framework for sqoop
> ---------------------------------------------------------------------
>
>                 Key: SQOOP-638
>                 URL: https://issues.apache.org/jira/browse/SQOOP-638
>             Project: Sqoop
>          Issue Type: Improvement
>    Affects Versions: 1.4.2
>            Reporter: Venkatesh Seetharam
>            Assignee: Venkatesh Seetharam
>            Priority: Minor
>             Fix For: 1.4.2
>
>         Attachments: SQOOP-638.patch
>
>
> Attempt to add an extensible validation framework to Sqoop. Adds an optional CLI option:
--validate
> There are 3 basic interfaces:
> ValidationThreshold - Determines if the error margin between the source and target are
acceptable: Absolute, Percentage Tolerant, etc.
> Default implementation is AbsoluteValidationThreshold which ensures the row counts from
source and targets are the same.
> ValidationFailureHandler - Responsible for handling failures: log an error/warning, abort,
etc. Default implementation logs a warning message to the configured logger.
> Validator - Drives the validation logic by delegating the decision to ValidationThreshold
and delegating failure handling to ValidationFailureHandler. The default implementation comes
with a RowCountValidator which validates the row counts from source and the target.
> You could extend these interfaces for more specific implementations and override 'em
in sqoop configuration that is picked up.

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