westonpace commented on code in PR #13830:
URL: https://github.com/apache/arrow/pull/13830#discussion_r960997009
##########
python/pyarrow/_dataset.pyx:
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@@ -1046,6 +1046,32 @@ cdef class FileFragment(Fragment):
self.partition_expression
)
+ def slice(self, start, end):
+ """
+ Returns a new FileFragment object that will only read
+ a slice of the old FileFragment defined by start (start byte)
+ and end (end byte).
Review Comment:
We might want to add something like "Slicing is currently only supported on
CSV and the start must be at the start of a line and the end must be at the end
of a line"
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