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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