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https://issues.apache.org/jira/browse/SOLR-2199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15326347#comment-15326347
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Kristine Jetzke commented on SOLR-2199:
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[~mkhludnev] I attached a new patch that additionally handles some cases that
were missing in the original patch (e.g. result set is initially returned,
followed by an update count, followed by another result set or update count
initially returned followed by a result set). I also added unit tests.
> DIH JdbcDataSource - Support multiple resultsets
> ------------------------------------------------
>
> Key: SOLR-2199
> URL: https://issues.apache.org/jira/browse/SOLR-2199
> Project: Solr
> Issue Type: Improvement
> Components: contrib - DataImportHandler
> Affects Versions: 1.4.1
> Reporter: Mark Waddle
> Assignee: Mikhail Khludnev
> Attachments: SOLR-2199.patch, SOLR-2199.patch
>
>
> Database servers can return multiple result sets from a single statement.
> This can be beneficial for indexing because it reduces the number of
> connections and statements being executed against a database, therefore
> reducing overhead. The JDBC Statement object supports reading multiple
> ResultSets. Support should be added to the JdbcDataSource to take advantage
> of this.
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