Wes McKinney created ARROW-7010:
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Summary: [C++] Support lossy casts from decimal128 to float32 and
float64/double
Key: ARROW-7010
URL: https://issues.apache.org/jira/browse/ARROW-7010
Project: Apache Arrow
Issue Type: New Feature
Components: C++
Reporter: Wes McKinney
Fix For: 1.0.0
I do not believe such casts are implemented. This can be helpful for people
analyzing data where the precision of decimal128 is not needed
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