mrkn commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443655002
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File path: python/pyarrow/tensor.pxi
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@@ -199,7 +202,13 @@ shape: {0.shape}""".format(self)
for x in dim_names:
c_dim_names.push_back(tobytes(x))
- coords = np.vstack([obj.row, obj.col]).T
+ row = obj.row
+ col = obj.col
+ if obj.has_canonical_format:
+ order = np.lexsort((col, row)) # row-major order
Review comment:
Sorting indices is necessary to conserve the canonical format.
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