[jira] [Created] (HIVE-4230) when export data to local files ,users could decide whether the output contains corresponding column names

["caofangkun (JIRA)" <ji...@apache.org>]

caofangkun created HIVE-4230:
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             Summary: when export data to local files ,users could decide whether the output contains corresponding column names
                 Key: HIVE-4230
                 URL: https://issues.apache.org/jira/browse/HIVE-4230
             Project: Hive
          Issue Type: New Feature
            Reporter: caofangkun


Example:
hive>desc src;
key string
value string
hive>insert overwrite local directory './src_table' select * from src;
hive>!cat ./src_table/000000_0;
a1 b1
a2 b2
a3 b3

when user set a property's value to true;
then output should be :
hive>!cat ./src_table/000000_0;
key value     --- the first line is corresponding column names
a1  b1
a2  b2
a3  b3


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