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From "Alexandre Rafalovitch (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-4383) DataImportHandler: Semantic inconsistency of column/name attribute
Date Tue, 19 Feb 2013 14:01:13 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581286#comment-13581286
] 

Alexandre Rafalovitch edited comment on SOLR-4383 at 2/19/13 2:00 PM:
----------------------------------------------------------------------

This causes further confusion when using variable resolver (Wiki does not help). In the example
below, I have to have non-existant column names and then I have to use _those_ names for my
variable resolution.
{quote}
    <entity name="vac" 
      dataSource="dbds"
      query="select * from ALERTS"
      transformer="RegexTransformer,TemplateTransformer,DateFormatTransformer"
      preImportDeleteQuery="type:vacancy-alert"
    >
      <field column="id" name="ID" />
      <field name="type" column="FAKE" template="vacancy-alert"/>
      <field name="vac_id" column="FAKE2" sourceColName="SUBJECT" regex="^\((.*)\)"/>

      <entity name="vacancy-geocoder" dataSource="dbds"
        query="select LOC from GEOCODE where NAME = '${vac.FAKE2}'"
      >
        <field name="vac_loc" column="LOC" />
      </entity>
    </entity>
{quote}

                
      was (Author: arafalov):
    This causes further confusion when using variable resolver (Wiki does not help). In the
example below, I have to have non-existant column names and then I have to use _those_ names
for my variable resolution.

    <entity name="vac" 
      dataSource="dbds"
      query="select * from ALERTS"
      transformer="RegexTransformer,TemplateTransformer,DateFormatTransformer"
      preImportDeleteQuery="type:vacancy-alert"
    >
      <field column="id" name="ID" />
      <field name="type" column="FAKE" template="vacancy-alert"/>
      <field name="vac_id" column="FAKE2" sourceColName="SUBJECT" regex="^\((.*)\)"/>

      <entity name="vacancy-geocoder"
        dataSource="dbds"
        query="select LOC from GEOCODE where NAME = '${vac.FAKE2}'"
      >
        <field name="vac_loc" column="LOC" />
      </entity>
    </entity>

                  
> DataImportHandler: Semantic inconsistency of column/name attribute
> ------------------------------------------------------------------
>
>                 Key: SOLR-4383
>                 URL: https://issues.apache.org/jira/browse/SOLR-4383
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler, documentation
>    Affects Versions: 4.1
>            Reporter: Alexandre Rafalovitch
>             Fix For: 5.0
>
>
> Different DIH Entity Processor assign different meaning to 'column' attribute. This can
cause serious confusion to beginners but can also lead to extremely hard to troubleshoot subtle
bugs.

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