William Butler created PARQUET-2131:
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Summary: Number values decoded DCHECKs should be exceptions
Key: PARQUET-2131
URL: https://issues.apache.org/jira/browse/PARQUET-2131
Project: Parquet
Issue Type: Bug
Components: parquet-cpp
Reporter: William Butler
Assignee: William Butler
As discussed on some other bugs, there are some parquet-cpp DCHECKs on the
number of values decoded that really should be exceptions. When invalid Parquet
files are read, it is possible for the decoders to return less values than
expected and this should be signaled back to the user even in non-debug mode
and it should not be a crash in debug mode. A fuzzer I have been running
managed to create two examples that crashed parquet-cpp due to the DCHECKs.
These don't currently crash the non-arrow cpp interfaces for reading parquet
but we might consider making those methods also throw exceptions in these
situations.
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