support CSV text file format
----------------------------
Key: HIVE-1603
URL: https://issues.apache.org/jira/browse/HIVE-1603
Project: Hadoop Hive
Issue Type: New Feature
Affects Versions: 0.7.0
Reporter: Ning Zhang
Comma Separated Values (CSV) text format are commonly used in exchanging
relational data between heterogeneous systems. Currently Hive uses TextFile
format when displaying query results. This could cause confusions when column
values contain new lines or tabs. A CSVTextFile format could get around this
problem. This will require a new CSVTextInputFormat, CSVTextOutputFormat, and
CSVSerDe.
A proposed use case is like:
{code}
-- exporting a table to CSV files in a directory
hive> set hive.io.output.fileformat=CSVTextFile;
hive> insert overwrite local directory '/tmp/CSVrepos/' select * from S where
... ;
-- query result in CSV
hive -e 'set hive.io.output.fileformat=CSVTextFile; select * from T;' |
sql_loader_to_other_systems
{code}
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