[FLINK-11981] Introduce ProjectionCodeGenerator and HashCodeGenerator for BaseRow

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Implemented
• Fix Version/s: 1.9.0
• Component/s: Table SQL / Planner
• Labels: pull-request-available
• Assignee: Jingsong Lee
• Reporter: Jingsong Lee
• Created: 20/Mar/19 11:36
• Updated: 25/Mar/19 06:03
• Resolved: 25/Mar/19 06:03

Description

Introduce efficient BaseRow operations:

1. Project Code Generator: Take out some fields of BaseRow to generate a new BaseRow.

2. HashCodeGenerator: Calculate a hash value based on some fields of BaseRow.

Issue Links

• is a child of: FLINK-11490 Add an initial Blink SQL batch runtime
• links to: GitHub Pull Request #8019