Yibo Cai created ARROW-15763:
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Summary: [C++] Improve csv writer
Key: ARROW-15763
URL: https://issues.apache.org/jira/browse/ARROW-15763
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Yibo Cai
Assignee: Yibo Cai
Profiling shows for string inputs, csv writer spends most of the time in
counting quotes for every string, this can probably be improved by checking
quotes before-ahead in batch.
For numeric inputs, the casting (number -> string) dominates the performance.
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