Nate Clark created ARROW-13028:
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Summary: [C++] CSV add convert option to attempt 32bit number
inferences
Key: ARROW-13028
URL: https://issues.apache.org/jira/browse/ARROW-13028
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Nate Clark
Assignee: Nate Clark
When types are being inferred by CSV the numbers are always 64 bit. For large
data sets it could be better to use 32 bit types to save over all memory. To do
this it would be useful to add an option to ConvertOptions to try 32 bit
numbers before 64 bit. By default this option would be disabled.
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