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From "Sami Siren (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-2483) DIH - an uppercase problem in query parameters
Date Tue, 17 Apr 2012 09:45:18 GMT

     [ https://issues.apache.org/jira/browse/SOLR-2483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sami Siren updated SOLR-2483:
-----------------------------

    Component/s:     (was: clients - java)
    
> DIH - an uppercase problem in query parameters
> ----------------------------------------------
>
>                 Key: SOLR-2483
>                 URL: https://issues.apache.org/jira/browse/SOLR-2483
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 3.1
>         Environment: Windows Vista
> Java 1.6
>            Reporter: Lubo Torok
>              Labels: DataImportHandler, entity, newdev, parameter, sql
>
> I have two tables called "PROBLEM" and "KOMENTAR"(means 'comment' in English) in DB.
One problem can have more comments. I want to index them all.
> schema.xml looks as follows
> ... some fields ...
>  <field name="problem_id" type="string" stored="true" required="true"/>
> ... some fields...
> data-config.xml:
> <document name="problemy">
>     <entity name="problem" query="select to_char(id) as problem_id, nazov as problem_nazov,
cislo as problem_cislo, popis as problem_popis from problem" pk="problem_id">
>       <entity name="komentar" query="select id as komentar_id, nazov as komentar_nazov,
text as komentar_text from komentar where to_char(fk_problem)='${problem.PROBLEM_ID}'"/>
              
>     </entity>  
>   </document>
> If you write '${problem.PROBLEM_ID}' in lower case, i.e. '${problem.problem_id}' SOLR
will not import the inner entity. Seems strange to me and it took me some time to figure this
out.
> Note that primary key in "PROBLEM" is called "ID". I defined the alias "problem_id" (yes,lower
case) in SQL. In schema, there is this field defined as "problem_id" again in lower case.
But, when I run
> http://localhost:8983/solr/dataimport?command=full-import&debug=true&verbose=on
> so I can see some debug information there is this part
> ...
> <lst name="verbose-output">
> −
> <lst name="entity:problem">
> −
> <lst name="document#1">
> −
> <str name="query">
> select to_char(id) as problem_id, nazov as problem_nazov, cislo as problem_cislo, popis
as problem_popis from problem
> </str>
> <str name="time-taken">0:0:0.465</str>
> <str>----------- row #1-------------</str>
> <str name="PROBLEM_NAZOV">test zodpovedneho</str>
> <str name="PROBLEM_ID">2533274790395945</str>
> <str name="PROBLEM_CISLO">2010093000004</str>
> <str name="PROBLEM_POPIS">csfdewafedewfw</str>
> <str>---------------------------------------------</str>
> −
> <lst name="entity:komentar">
> −
> <str name="query">
> select id as komentar_id, nazov as komentar_nazov, text as komentar_text from komentar
where to_char(fk_problem)='2533274790395945'
> </str>
> ...
> where you can see that, internally, the fields of "PROBLEM" are represented in uppercase
despite the user (me) had not defined them this way. The result is I guess that parameter
referring to the parent entity ${entity.field} should always be in uppercase, i.e. ${entity.FIELD}.
> Here is an example of the indexed entity as written after full-import command with debug
and verbose on:
> <arr name="documents">
> −
> <lst>
> −
> <arr name="problem_nazov">
> <str>test zodpovedneho</str>
> </arr>
> −
> <arr name="problem_id">
> <str>2533274790395945</str>
> </arr>
> −
> <arr name="problem_cislo">
> <str>2010093000004</str>
> </arr>
> −
> <arr name="problem_popis">
> <str>csfdewafedewfw</str>
> </arr>
> −
> <arr name="komentar_id">
> <str>java.math.BigDecimal:5066549580791985</str>
> </arr>
> −
> <arr name="komentar_text">
> <str>a.TXT</str>
> </arr>
> </lst>
> here are the field names in lower case. I consider this as a bug. Maybe I am wrong and
its a feature. I work with SOLR only for few days.

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