Louis Calot created ARROW-17825:
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Summary: [C++] Allow to write several tables successively with
ORCFileWriter::Write method
Key: ARROW-17825
URL: https://issues.apache.org/jira/browse/ARROW-17825
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Louis Calot
Assignee: Louis Calot
Fix For: 10.0.0
I had the need to write an ORC file little by little, so as to not consume too
much memory.
Following [this|https://github.com/apache/arrow/issues/14211] discussion, it
appeared that the API did not seemed to prevent doing that, but that the
internal implementation was not reusing the writer accordingly.
This PR makes the needed changes to reuse the "writer_" correctly.
I do not think that the preceding behaviour was correct, as calling several
time the "Write" method would lead to incorrect ORC files.
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