[ARROW-1712] [C++] Add method to BinaryBuilder to reserve space for value data

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17719
• Assignee: Panchen Xue
• Reporter: Wes McKinney
• Created: 23/Oct/17 13:39
• Updated: 11/Jan/23 07:16
• Resolved: 24/Jan/18 03:03

Description

The Resize and Reserve methods only reserve space for the value offsets. When building binary/string arrays with a known size (or some reasonable estimate), it would be more efficient to reserve once at the beginning to prevent internal reallocations

Issue Links

• links to: GitHub Pull Request #1481