[IMPALA-6324] Support reading RLE-encoded boolean values in Parquet scanner

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 3.0, Impala 2.12.0
• Component/s: Backend
• Labels: parquet
• Epic Color: ghx-label-7
• Assignee: Csaba Ringhofer
• Reporter: Tim Armstrong
• Created: 14/Dec/17 19:40
• Updated: 02/May/19 21:51
• Resolved: 22/Mar/18 19:06

Description

Per this discussion on the Parquet mailing list, RLE will become a valid encoding for the boolean type in parquet. We should add support for reading this.

https://mail-archives.apache.org/mod_mbox/parquet-dev/201712.mbox/%3CCAJPUwMDbGgkS1WmN8OvuuA%3DQ%2BXd%2BOwLn2XZAu7CNGF1sMVZMJg%40mail.gmail.com%3E