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https://issues.apache.org/jira/browse/HBASE-27488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17750181#comment-17750181
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Reid Chan commented on HBASE-27488:
-----------------------------------
left a comment in the PR
> [hbase-connectors] Duplicate result when searching HBase by Spark
> -----------------------------------------------------------------
>
> Key: HBASE-27488
> URL: https://issues.apache.org/jira/browse/HBASE-27488
> Project: HBase
> Issue Type: Bug
> Components: hbase-connectors
> Reporter: ZheHu
> Assignee: ZheHu
> Priority: Major
>
> I've used hbase-connector for querying HBase table by Spark, and the
> following issue is what I've encountered recently:
> When I run SQL:
> {code:java}
> select * from hbase_tabe where rowkey in ('r1', 'r2') or rowkey='r1'
> {code}
> I've got duplicate row "r1" in results.
> In HBaseTableScanRdd, buildGets method forms two duplicate GET request for
> rowkey "r1". I think we might need a Set to make sure duplicate rowkey won't
> be request.
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