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https://issues.apache.org/jira/browse/SOLR-4788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662253#comment-13662253
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Shawn Heisey commented on SOLR-4788:
------------------------------------
A review of all Solr issues that mention last_index_time turns up SOLR-4051
(via SOLR-1970) as a possible candidate for the commit that broke this
functionality. This assumes of course that it worked after the feature was
added by SOLR-783, which is probably a safe assumption.
SOLR-4051 says that it patches functionality that was introduced to 3.6. I
think that was added by SOLR-2382, so it might have been SOLR-2382 that broke
things.
If I get some time in the near future I will attempt to write a test that
illustrates the bug, and see if I can run that test on 3.6 as well. If anyone
out there can try a manual test on 3.6, that would save some time.
Side note: the code uses two constants for "last_index_time" - LAST_INDEX_TIME
and LAST_INDEX_KEY. Those should probably be combined.
> Multiple Entities DIH delta import: dataimporter.[entityName].last_index_time
> is empty
> --------------------------------------------------------------------------------------
>
> Key: SOLR-4788
> URL: https://issues.apache.org/jira/browse/SOLR-4788
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.2, 4.3
> Environment: solr-spec
> 4.2.1.2013.03.26.08.26.55
> solr-impl
> 4.2.1 1461071 - mark - 2013-03-26 08:26:55
> lucene-spec
> 4.2.1
> lucene-impl
> 4.2.1 1461071 - mark - 2013-03-26 08:23:34
> OR
> solr-spec
> 4.3.0
> solr-impl
> 4.3.0 1477023 - simonw - 2013-04-29 15:10:12
> lucene-spec
> 4.3.0
> lucene-impl
> 4.3.0 1477023 - simonw - 2013-04-29 14:55:14
> Reporter: chakming wong
> Assignee: Shalin Shekhar Mangar
>
> {code:title=conf/dataimport.properties|borderStyle=solid}entity1.last_index_time=2013-05-06
> 03\:02\:06
> last_index_time=2013-05-06 03\:05\:22
> entity2.last_index_time=2013-05-06 03\:03\:14
> entity3.last_index_time=2013-05-06 03\:05\:22
> {code}
> {code:title=conf/solrconfig.xml|borderStyle=solid}<?xml version="1.0"
> encoding="UTF-8" ?>
> ...
> <requestHandler name="/dataimport"
> class="org.apache.solr.handler.dataimport.DataImportHandler">
> <lst name="defaults">
> <str name="config">dihconfig.xml</str>
> </lst>
> </requestHandler>
> ...
> {code}
> {code:title=conf/dihconfig.xml|borderStyle=solid}<?xml version="1.0"
> encoding="UTF-8" ?>
> <dataConfig>
> <dataSource name="source1"
> type="JdbcDataSource" driver="com.mysql.jdbc.Driver"
> url="jdbc:mysql://*:*/*"
> user="*" password="*"/>
> <document name="strings">
> <entity name="entity1" pk="id" dataSource="source1"
> query="SELECT * FROM table_a"
> deltaQuery="SELECT table_a_id FROM table_b WHERE
> last_modified > '${dataimporter.entity1.last_index_time}'"
> deltaImportQuery="SELECT * FROM table_a WHERE id =
> '${dataimporter.entity1.id}'"
> transformer="TemplateTransformer">
> <field> ...
> ...
> ... </field>
> </entity>
> <entity name="entity2">
> ...
> ...
> </entity>
> <entity name="entity3">
> ...
> ...
> </entity>
> </document>
> </dataConfig>
> {code}
> In above setup, *dataimporter.entity1.last_index_time* is *empty string* and
> cause the sql query having error
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