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From "James Sullivan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (NUTCH-1497) Better default gora-sql-mapping.xml with larger field sizes for MySQL
Date Tue, 13 Nov 2012 11:44:12 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Sullivan updated NUTCH-1497:
----------------------------------

    Attachment: gora-mysql-mapping.xml
    
> Better default gora-sql-mapping.xml with larger field sizes for MySQL
> ---------------------------------------------------------------------
>
>                 Key: NUTCH-1497
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1497
>             Project: Nutch
>          Issue Type: Improvement
>          Components: storage
>    Affects Versions: 2.2
>         Environment: MySQL Backend
>            Reporter: James Sullivan
>            Priority: Minor
>              Labels: MySQL
>         Attachments: gora-mysql-mapping.xml, gora-mysql-mapping.xml
>
>
> The current generic default gora-sql-mapping.xml has field sizes that are too small in
almost all situations when used with MySQL. I have included a mapping which will work better
for MySQL (takes slightly more space but will be able to handle larger fields necessary for
real world use). Includes patch from Nutch-1490 and resolves the non-Unicode part of Nutch-1473.
I believe it is not possible to use the same gora-sql-mapping for both hsqldb and MySQL without
a significantly degraded lowest common denominator resulting. Should the user manually rename
the attached file to gora-sql-mapping.xml or is there a way to have Nutch automatically use
it when MySQL is selected in other configurations (Ivy.xml or gora.properties)?

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