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Date: Fri, 10 Jun 2011 07:34:59 +0000 (UTC)
From: "Thomas Gambier (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Resolved] (SOLR-2529) DIH update trouble with sql field
 name "pk"
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     [ https://issues.apache.org/jira/browse/SOLR-2529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Gambier resolved SOLR-2529.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 4.0

I've made some test on unreleased version 4.0 and it works well with a deltaQuery like :
"SELECT pk AS id FROM..."
Where "id" is the name of my primary key in DIH config.

TY

> DIH update trouble with sql field name "pk"
> -------------------------------------------
>
>                 Key: SOLR-2529
>                 URL: https://issues.apache.org/jira/browse/SOLR-2529
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 3.1, 3.2
>         Environment: Debian Lenny, JRE 6
>            Reporter: Thomas Gambier
>            Priority: Blocker
>             Fix For: 4.0
>
>
> We are unable to use the DIH when database columnName primary key is named "pk".
> The reported solr error is :
> "deltaQuery has no column to resolve to declared primary key pk='pk'"
> We have made some investigations and found that the DIH have a mistake when it's looking for the primary key between row's columns list.
> private String findMatchingPkColumn(String pk, Map row) {
> if (row.containsKey(pk))
>   throw new IllegalArgumentException(
>     String.format("deltaQuery returned a row with null for primary key %s", pk));
> String resolvedPk = null;
> for (String columnName : row.keySet()) {
>   if (columnName.endsWith("." + pk) || pk.endsWith("." + columnName)) {
>     if (resolvedPk != null)
>       throw new IllegalArgumentException(
>         String.format(
>           "deltaQuery has more than one column (%s and %s) that might resolve to declared primary key pk='%s'",
>           resolvedPk, columnName, pk));
>       resolvedPk = columnName;
>     }
>   }
>   if (resolvedPk == null)
>     throw new IllegalArgumentException(
>       String.format("deltaQuery has no column to resolve to declared primary key pk='%s'", pk));
>   LOG.info(String.format("Resolving deltaQuery column '%s' to match entity's declared pk '%s'", resolvedPk, pk));
>   return resolvedPk;
> }

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