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Posted to issues@hbase.apache.org by "Zheng Wang (JIRA)" <ji...@apache.org> on 2019/03/20 12:31:00 UTC
[jira] [Commented] (HBASE-21918) the use cases in doc should use
Cell instead of KeyValue
[ https://issues.apache.org/jira/browse/HBASE-21918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16797118#comment-16797118 ]
Zheng Wang commented on HBASE-21918:
------------------------------------
[~xucang] Could you help me for commit it. Thanks!
> the use cases in doc should use Cell instead of KeyValue
> --------------------------------------------------------
>
> Key: HBASE-21918
> URL: https://issues.apache.org/jira/browse/HBASE-21918
> Project: HBase
> Issue Type: Improvement
> Components: documentation
> Reporter: Zheng Wang
> Assignee: Zheng Wang
> Priority: Trivial
> Labels: starter
> Attachments: HBASE-21918.patch
>
>
> the describe of KeyValue:
> ...
> * HBase applications and users should use the Cell interface and avoid directly using KeyValue and
> * member functions not defined in Cell.
> ...
> for example,the use case of ColumnRangeFilter:
> ...
> ResultScanner rs = t.getScanner(scan);
> for (Result r = rs.next(); r != null; r = rs.next()) {
> for (KeyValue kv : r.raw()) {
> // each kv represents a column
> }
> }
> ...
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