niyue commented on code in PR #13041:
URL: https://github.com/apache/arrow/pull/13041#discussion_r990940556
##########
python/pyarrow/ipc.pxi:
##########
@@ -687,6 +692,49 @@ cdef class RecordBatchReader(_Weakrefable):
return pyarrow_wrap_batch(batch)
+ def read_next_batch_with_custom_metadata(self):
+ """
+ Read next RecordBatch from the stream along with its custom metadata.
+
+ Raises
+ ------
+ StopIteration:
+ At end of stream.
+
+ Returns
+ -------
+ batch : RecordBatch
+ custom_metadata : KeyValueMetadata
+ """
+ cdef:
+ CRecordBatchWithMetadata batch_with_metadata
+
+ with nogil:
+ batch_with_metadata = GetResultValue(self.reader.get().ReadNext())
+
+ if batch_with_metadata.batch.get() == NULL:
+ raise StopIteration
+
+ return _wrap_record_batch_with_metadata(batch_with_metadata)
+
+ def iter_batches_with_custom_metadata(self):
+ """
+ Read next RecordBatch from the stream along with its custom metadata
as a generator
+ Raises
Review Comment:
Fixed.
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