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https://issues.apache.org/jira/browse/ARROW-7242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney moved PARQUET-1403 to ARROW-7242:
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Component/s: (was: parquet-cpp)
Python
C++
Key: ARROW-7242 (was: PARQUET-1403)
Affects Version/s: (was: cpp-1.4.0)
Workflow: jira (was: patch-available, re-open possible)
Issue Type: Improvement (was: Bug)
Project: Apache Arrow (was: Parquet)
> [C++] Coerce Arrow half-precision float to float32
> --------------------------------------------------
>
> Key: ARROW-7242
> URL: https://issues.apache.org/jira/browse/ARROW-7242
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Reporter: Naor Volkovich
> Priority: Major
>
> When trying to save a Pandas DF using "to_parquet" when that DF has a column
> with a dtype of float16, I get the error:
> "pyarrow.lib.ArrowNotImplementedError: Unhandled type for Arrow to Parquet
> schema conversion: halffloat"
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