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From "Erik Hatcher (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1229) deletedPkQuery feature does not work when pk and uniqueKey field do not have the same value
Date Tue, 23 Jun 2009 01:22:07 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722922#action_12722922
] 

Erik Hatcher commented on SOLR-1229:
------------------------------------

I plan on committing this patch later this week.  It fixes the problems we've had.   Please
review and comment further if there are still holes... but we really should be discussing
this with unit tests.  I hope to see some of those this week from Lance.

> deletedPkQuery feature does not work when pk and uniqueKey field do not have the same
value
> -------------------------------------------------------------------------------------------
>
>                 Key: SOLR-1229
>                 URL: https://issues.apache.org/jira/browse/SOLR-1229
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4
>            Reporter: Erik Hatcher
>             Fix For: 1.4
>
>         Attachments: SOLR-1229.patch, SOLR-1229.patch, SOLR-1229.patch
>
>
> Problem doing a delta-import such that records marked as "deleted" in the database are
removed from Solr using deletedPkQuery.
> Here's a config I'm using against a mocked test database:
> {code:xml}
> <dataConfig>
>  <dataSource driver="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost/db"/>
>  <document name="tests">
>    <entity name="test"
>            pk="board_id"
>            transformer="TemplateTransformer"
>            deletedPkQuery="select board_id from boards where deleted = 'Y'"
>            query="select * from boards where deleted = 'N'"
>            deltaImportQuery="select * from boards where deleted = 'N'"
>            deltaQuery="select * from boards where deleted = 'N'"
>            preImportDeleteQuery="datasource:board">
>      <field column="id" template="board-${test.board_id}"/>
>      <field column="datasource" template="board"/>
>      <field column="title" />
>    </entity>
>  </document>
> </dataConfig>
> {code}
> Note that the uniqueKey in Solr is the "id" field.  And its value is a template board-<PK>.
> I noticed the javadoc comments in DocBuilder#collectDelta it says "Note: In our definition,
unique key of Solr document is the primary key of the top level entity".  This of course isn't
really an appropriate assumption.

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