Steven Fackler created ARROW-11718:
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Summary: [Rust] IPC writers shouldn't implicitly finish on drop
Key: ARROW-11718
URL: https://issues.apache.org/jira/browse/ARROW-11718
Project: Apache Arrow
Issue Type: Bug
Components: Rust
Affects Versions: 3.0.0
Reporter: Steven Fackler
Assignee: Steven Fackler
The Rust IPC writer types have a destructor that automatically writes the
footer if necessary. This is not ideal, though, since it can hide errors. For
example, if a web server is streaming data to a client in the Arrow IPC format
and it encounters an internal error trying to generate the next batch, the
outbound stream will appear valid to the client as the footer will
automatically be written out but some amount of data will actually be missing.
If the footer was not automatically written, the client would properly detect
the truncation.
For reference, the C++ implementation does not attempt to write the footer
implicitly on drop.
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