David Li created ARROW-18229:
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Summary: [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
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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