In your query 'query="SELECT webtable as wt FROM ncdat_wt WHERE
featurecode='${ncdat.feature}' .. instead of ${ncdat.feature} use
${dataTable.feature} where dataTable is your parent entity name.
From: Shawn Heisey-4 [via Lucene]
[mailto:ml-node+929151-1527242139-124...@n3.nabble.com]
Sent: Monday, June 28, 2010 2:24 PM
To: caman
Subject: DIH and denormalizing
I am trying to do some denormalizing with DIH from a MySQL source.
Here's part of my data-config.xml:
<entity name="dataTable" pk="did"
query="SELECT *,FROM_UNIXTIME(post_date) as pd FROM ncdat WHERE
did > ${dataimporter.request.minDid} AND did <=
${dataimporter.request.maxDid} AND (did %
${dataimporter.request.numShards}) IN (${dataimporter.request.modVal})">
<entity name="ncdat_wt"
query="SELECT webtable as wt FROM ncdat_wt WHERE
featurecode='${ncdat.feature}'">
</entity>
</entity>
The relationship between features in ncdat and webtable in ncdat_wt (via
featurecode) will be many-many. The "wt" field in schema.xml is set up
as multivalued.
It seems that ${ncdat.feature} is not being set. I saw a query
happening on the server and it was "SELECT webtable as wt FROM ncdat_wt
WHERE featurecode=''" - that last part is an empty string with single
quotes around it. From what I can tell, there are no entries in ncdat
where feature is blank. I've tried this with both a 1.5-dev checked out
months ago (which we are using in production) and a 3.1-dev checked out
today.
Am I doing something wrong?
Thanks,
Shawn
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