[ArrayManager] Indexing - implement iset #39734
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jorisvandenbossche
added
Indexing
jreback
requested changes
Feb 11, 2021
| @@ -659,24 +659,50 @@ def idelete(self, indexer): | |||
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| def iset(self, loc: Union[int, slice, np.ndarray], value): | |||
| """ | |||
| Set new item in-place. Does not consolidate. Adds new Block if not | |||
| contained in the current set of items | |||
| Set new column in-place (replaces (an) existing column(s)). | |||
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I think this is specifically not-inplace.
This will behave differently from the BlockManager implementation. We should test and/or explicitly comment on that.
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I mean that it changes the ArrayManager in place (it doesn't return a new ArrayManager). I think that's the same as BlockManager?
For the rest, it replaces the array for a column, so yet it explicitly not-inplace from the array point of view, as it just gets swapped.
Will try to improve the comment.
jreback
approved these changes
Feb 15, 2021
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lgtm. @jbrockmendel |
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LGTM |
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xref #39146, follow-up on #39722