BUG: ArrayManager reindex with copy=True not copying #42647
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jbrockmendel
commented
Jul 21, 2021
jbrockmendel
commented
- closes #xxxx
- tests added / passed
- Ensure all linting tests pass, see here for how to run them
- whatsnew entry
jreback
reviewed
Jul 26, 2021
| cols = np.arange(N) | ||
| np.random.shuffle(cols) | ||
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| result = df.reindex(columns=cols, copy=True) |
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can you check with both axis reindexing as well (result should be the same) e.g. only a single copy.
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do you mean calling df.reindex(index=foo, copy=True)? that's covered by existing tests. this test should be focused on the particular bug
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yeah actually meant calling them both (columns AND index)
jorisvandenbossche
approved these changes
Aug 4, 2021
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thanks, can you add on a whatsnew note at some point. |
feefladder
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Sep 7, 2021
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