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https://issues.apache.org/jira/browse/HIVE-718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754285#action_12754285
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Namit Jain commented on HIVE-718:
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INSERT INTO is not supported - it will get a parse error.
LOAD INTO is the only scenario we have to worry about
> Load data inpath into a new partition without overwrite does not move the file
> ------------------------------------------------------------------------------
>
> Key: HIVE-718
> URL: https://issues.apache.org/jira/browse/HIVE-718
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.4.0
> Reporter: Zheng Shao
> Attachments: HIVE-718.1.patch, HIVE-718.2.patch, hive-718.txt
>
>
> The bug can be reproduced as following. Note that it only happens for
> partitioned tables. The select after the first load returns nothing, while
> the second returns the data correctly.
> insert.txt in the current local directory contains 3 lines: "a", "b" and "c".
> {code}
> > create table tmp_insert_test (value string) stored as textfile;
> > load data local inpath 'insert.txt' into table tmp_insert_test;
> > select * from tmp_insert_test;
> a
> b
> c
> > create table tmp_insert_test_p ( value string) partitioned by (ds string)
> > stored as textfile;
> > load data local inpath 'insert.txt' into table tmp_insert_test_p partition
> > (ds = '2009-08-01');
> > select * from tmp_insert_test_p where ds= '2009-08-01';
> > load data local inpath 'insert.txt' into table tmp_insert_test_p partition
> > (ds = '2009-08-01');
> > select * from tmp_insert_test_p where ds= '2009-08-01';
> a 2009-08-01
> b 2009-08-01
> d 2009-08-01
> {code}
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