[HIVE-4346] when writing data into filesystem from queries ,the output files could contain a line of column names

• Type: New Feature
• Status: In Progress
• Priority: Minor
• Resolution: Unresolved
• Component/s: Query Processor
• Assignee: caofangkun Assign to me
• Reporter: caofangkun
• Created: 12/Apr/13 09:31
• Updated: 07/Jun/13 06:41

Description

For example :
hive>desc src;
key string
value string

hive>select * from src;
1 10
2 20

hive>set hive.output.markschema=true;
hive>insert overwrite local directory './test1' select * from src ;
hive>!ls -l './test1';
./test1/_metadata
./test1/000000_0

hive>!cat './test1/_metadata'
key^Avalue

hive>!cat './test1/000000_0';
1^A10
2^A20

Issue Links

• is related to: HIVE-3682 when output hive table to file,users should could have a separator of their own choice