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From "Gian Marco Tagliani (JIRA)" <j...@apache.org>
Subject [jira] Created: (SOLR-1759) DIH $skipDoc issue
Date Fri, 05 Feb 2010 11:29:27 GMT
DIH $skipDoc issue
------------------

                 Key: SOLR-1759
                 URL: https://issues.apache.org/jira/browse/SOLR-1759
             Project: Solr
          Issue Type: Bug
          Components: contrib - DataImportHandler
    Affects Versions: 1.4
            Reporter: Gian Marco Tagliani


I'm using the version 1.4.0 of Solr and I'm having some trouble with the DIH when I use the
special command $skipDoc.

After skipping a document to insert, the next one is not inserted in the proper way.


My DIH configuration is quite complex so I'll try to explain myself with a simpler example:

item table:
id 	name
1	aaa
2	bbb

feature table:
Item_id	hidden
1		true
2 		false


DIH conf:

<document name="products">
	<entity name="item" query="select * from item">
		<field column="ID" name="id" />
		<field column="NAME" name="name" />

		<entity name="feature" query="select hidden from feature where item_id='${item.ID}'">
			<field name="$skipDoc" column="hidden" />
		</entity>
	</entity>
</document>


The result I expected is that the record named "bbb" would be imported, but the result of
my import case is that the other record (the "aaa") has been inserted.


I took a look to the DIH code and I found a possible problem that could cause this result.

In the DocBuilder class when a $skipDoc is detected, an exception is raised. After handling
the exception another loop starts, without cleaning up the doc variable.
When the next record is read, the addFieldToDoc method can't fill the doc fields because they
are already filled.

To solve this problem I just clean up the doc variable when handling the exception.



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