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https://issues.apache.org/jira/browse/SOLR-1348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740877#action_12740877
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Noble Paul commented on SOLR-1348:
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bq.A simple fix for this would be to change the default value of convertType to
true within the JdbcDataSource class
this was kept false deliberately. Users should not get any kind of nasty
surprise when they write a Transformer and moreover it can break back compat .
I guess it should be documented properly.
How about a Transformer?
> JdbcDataSource does not import Blob values correctly by default
> ---------------------------------------------------------------
>
> Key: SOLR-1348
> URL: https://issues.apache.org/jira/browse/SOLR-1348
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Affects Versions: 1.4
> Reporter: Jay Clelland
> Priority: Minor
>
> When blob values are returned through a java ResultSet Object they have the
> type byte[].
> As byte[] doesn't have a useful toString method we end up with a reference
> type value added to the solr document (i.e. [...@1f23c5).
> The problem is easy to remedy by adding the attribute 'convertType="true"' to
> the dataSource tag within data-config.xml.
> However this attribute does not appear to be documented anywhere and I was
> only able to find it after a few hours digging through the source code.
> A simple fix for this would be to change the default value of convertType to
> true within the JdbcDataSource class.
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