Gawain BOLTON created PARQUET-1772:
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Summary: [C++] ParquetFileWriter: Data overwritten when output
stream opened in append mode
Key: PARQUET-1772
URL: https://issues.apache.org/jira/browse/PARQUET-1772
Project: Parquet
Issue Type: Bug
Reporter: Gawain BOLTON
Assignee: Gawain BOLTON
An arrow::io::FileOutputStream can be opened in append mode.
However, when the output stream is used by the ParquetFileWriter the data
already present in the file is overwritten instead of being appended.
>From what I can see, Parquet does not have currently the functionality to
>append data. As such I suggest detecting when an append is attempted to give
>an error rather than overwrite existing data.
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