Ernesto Ocampo created ARROW-2392:
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Summary: pyarrow RecordBatchStreamWriter allows writing batches
with different schemas
Key: ARROW-2392
URL: https://issues.apache.org/jira/browse/ARROW-2392
Project: Apache Arrow
Issue Type: Bug
Reporter: Ernesto Ocampo
A RecordBatchStreamWriter initialised with a given schema will still allow
writing RecordBatches that have different schemas. Example:
{code:java}
schema = pa.schema([pa.field('some_field', pa.int64())])
stream = pa.BufferOutputStream()
writer = pa.RecordBatchStreamWriter(stream, schema)
data = [pa.array([1.234])]
batch = pa.RecordBatch.from_arrays(data, ['some_field'])
# batch does not conform to schema
assert batch.schema != schema
writer.write_batch(batch) # no exception raised
writer.close()
{code}
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