[IMPALA-729] String data in MR-produced parquet files may be read incorrectly

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 1.2.3
• Fix Version/s: Impala 1.3
• Assignee: Skye Wanderman-Milne
• Reporter: Skye Wanderman-Milne
• Created: 07/Jan/14 18:14
• Updated: 08/Jan/14 19:08
• Resolved: 08/Jan/14 19:08

Description

If an uncompressed parquet file contains multiple row groups (which currently only MR produces), Impala may return incorrect string data when reading the file. Note that this does not affect compressed parquet files.