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https://issues.apache.org/jira/browse/ARROW-18229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joris Van den Bossche reassigned ARROW-18229:
---------------------------------------------
Assignee: Joris Van den Bossche
> [C++][Python] RecordBatchReader can be created with a 'dict' schema which
> then crashes on use
> ---------------------------------------------------------------------------------------------
>
> Key: ARROW-18229
> URL: https://issues.apache.org/jira/browse/ARROW-18229
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 10.0.0
> Reporter: David Li
> Assignee: Joris Van den Bossche
> Priority: Blocker
> Labels: triaged
>
> Presumably we should disallow this or convert it to a schema?
> https://github.com/duckdb/duckdb/issues/5143
> {noformat}
> >>> import pyarrow as pa
> >>> pa.__version__
> '10.0.0'
> >>> reader = pa.RecordBatchReader.from_batches({"a": pa.int8()}, [])
> >>> reader.schema
> fish: Job 1, 'python3' terminated by signal SIGSEGV (Address boundary error)
> (gdb) bt
> #0 0x00007ffff4247580 in arrow::Schema::num_fields() const ()
> from
> /home/lidavidm/miniconda3/lib/python3.9/site-packages/pyarrow/libarrow.so.1000
> #1 0x00007ffff42b93f7 in arrow::(anonymous namespace)::SchemaPrinter::Print()
> ()
> from
> /home/lidavidm/miniconda3/lib/python3.9/site-packages/pyarrow/libarrow.so.1000
> #2 0x00007ffff42b98a7 in arrow::PrettyPrint(arrow::Schema const&,
> arrow::PrettyPrintOptions const&, std::string*) ()
> from
> /home/lidavidm/miniconda3/lib/python3.9/site-packages/pyarrow/libarrow.so.1000
> #3 0x00007ffff64f814b in
> __pyx_pw_7pyarrow_3lib_6Schema_52to_string(_object*, _object*, _object*) ()
> {noformat}
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