[SPARK-12992] Vectorize parquet decoding using ColumnarBatch

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: SQL
• Assignee: Nong Li
• Reporter: Nong Li
• Created: 26/Jan/16 00:09
• Updated: 23/May/16 05:03
• Resolved: 09/Feb/16 06:21

Description

Parquet files benefit from vectorized decoding. ColumnarBatches have been designed to support this. This means that a single encoded parquet column is decoded to a single ColumnVector.

Issue Links

• links to: [Github] Pull Request #10908 (nongli)
• links to: [Github] Pull Request #11055 (nongli)