Add SymlinkTextInputFormat to Hive
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Key: HIVE-1272
URL: https://issues.apache.org/jira/browse/HIVE-1272
Project: Hadoop Hive
Issue Type: New Feature
Affects Versions: 0.5.0
Reporter: Zheng Shao
We'd like to add a symlink text input format so that we can specify the list of
files for a table/partition based on the content of a text file.
For example, the location of the table is "/user/hive/mytable".
There is a file called "/user/hive/mytable/myfile.txt".
Inside the file, there are 2 lines, "/user/myname/textfile1.txt" and
"/user/myname/textfile2.txt"
We can do:
{code}
CREATE TABLE mytable (...) STORED AS INPUTFORMAT
'org.apache.hadoop.hive.io.SymlinkTextInputFormat' LOCATION
'/user/hive/mytable';
SELECT * FROM mytable;
{code}
which will return the content of the 2 files: "/user/myname/textfile1.txt" and
"/user/myname/textfile2.txt"
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