[GitHub] [arrow] jorisvandenbossche commented on a change in pull request #10062: ARROW-12407: [Python][Dataset] Remove ScanTask bindings

[GitBox <gi...@apache.org>]

jorisvandenbossche commented on a change in pull request #10062:
URL: https://github.com/apache/arrow/pull/10062#discussion_r621916561



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File path: python/pyarrow/_dataset.pyx
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@@ -2814,37 +2751,24 @@ cdef class Scanner(_Weakrefable):
         scanner = GetResultValue(builder.get().Finish())
         return Scanner.wrap(scanner)
 
-    def scan(self):
-        """Returns a stream of ScanTasks
-
-        The caller is responsible to dispatch/schedule said tasks. Tasks should
-        be safe to run in a concurrent fashion and outlive the iterator.
+    @property
+    def dataset_schema(self):
+        """The physical schema of the data."""

Review comment:
       Is this necessarily the physical schema? (I mean, it doesn't necessarily correspond to Fragment.physical_schema, since that can be different for different fragments of a dataset)




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