Uwe L. Korn created PARQUET-749:
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Summary: Schema building ParquetFileWriter
Key: PARQUET-749
URL: https://issues.apache.org/jira/browse/PARQUET-749
Project: Parquet
Issue Type: New Feature
Components: parquet-cpp
Reporter: Uwe L. Korn
Assignee: Uwe L. Korn
Sometimes you want to write a Parquet file column-by-column without knowing the
whole schema upfront. Format-wise this should be possible if you only have a
single RowGroup. The user would write column after column and only at the end
(when we need to write the metadata), the whole schema can be assembled.
Currently ParquetFileWriter only supports writing files when the schema is
known upfront.
Limitations for the start:
* A single RowGroup is written
* No nestings
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