[HIVE-14560] Support exchange partition between s3 and hdfs tables

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Assignee: Abdullah Yousufi
• Reporter: Abdullah Yousufi
• Created: 17/Aug/16 20:47
• Updated: 04/Feb/19 15:23
• Resolved: 17/Nov/17 19:38

Description

alter table s3_tbl exchange partition (country='USA', state='CA') with table hdfs_tbl;

results in:

Error: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:Got exception: java.lang.IllegalArgumentException Wrong FS: s3a://hive-on-s3/s3_tbl/country=USA/state=CA, expected: hdfs://localhost:9000) (state=08S01,code=1)

because the check for whether the s3 destination table path exists occurs on the hdfs filesystem.

Furthermore, exchanging between s3 to hdfs fails because the hdfs rename operation is not supported across filesystems. Fix uses copy + deletion in the case that the file systems differ.

Issue Links

• relates to: HIVE-21209 [Improvement] Exchange partitition to be metadata only change?
• links to: RB