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https://issues.apache.org/jira/browse/HADOOP-2240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward Yoon updated HADOOP-2240:
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Attachment: 2240.patch
- Truncate table is used to clean all data from a table.
SYNTAX: TRUNCATE TABLE table_name;
{code}
hql > insert into test (a,b) values ('aa','bb') where row='row1';
1 row inserted successfully. (0.41 sec)
hql > truncate table test;
'test' is successfully truncated.
hql > select * from test;
0 row(s) in set. (1.16 sec)
hql > exit;
{code}
- We need to get away from functionalities and focus on the internal algorithm
issues. I'll make these issues.
- i didn't make the test case becuase it already exists. (It just steps of
creating drop repeats.)
> Truncate for hbase
> ------------------
>
> Key: HADOOP-2240
> URL: https://issues.apache.org/jira/browse/HADOOP-2240
> Project: Hadoop
> Issue Type: New Feature
> Components: contrib/hbase
> Reporter: Billy Pearson
> Assignee: Edward Yoon
> Priority: Minor
> Attachments: 2240.patch
>
>
> Would be nice to have a way to truncate the tables from the shell. With out
> doing a drop and create your self. Maybe the truncate could issue the drop
> and create command for you based off the layout in the the table before the
> truncate.
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