[ARROW-18019] [C++][Gandiva] Improve Projector evaluation performance

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 10.0.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/33222
• Assignee: Jin Shang
• Reporter: Jin Shang
• Created: 13/Oct/22 02:14
• Updated: 11/Jan/23 11:57
• Resolved: 17/Oct/22 01:23

Description

1. Some dynamic_casts are not necessary because the safety is checked already.
2. RecordBatch's column(int i) function involves atomic operation and column_data(int i) doesn't. So we prefer to use column_data() instead if column()->data().

Issue Links

• links to: GitHub Pull Request #14394