[ARROW-14351] [IR] Add projection list to Source node

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 6.0.0
• Fix Version/s: 7.0.0
• Component/s: Compute IR
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29921
• Assignee: Phillip Cloud
• Reporter: Phillip Cloud
• Created: 15/Oct/21 15:53
• Updated: 11/Jan/23 08:39
• Resolved: 29/Oct/21 13:56

Description

Source should store a list of columns to read, so that consumers can prune columns and push projections all the way down to the source.

Issue Links

• links to: GitHub Pull Request #11439