Deprecate partial slicing of unordered DatetimeIndex when both keys are not present #37819
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phofl
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Deprecate
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thanks @phofl |
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wence-
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Jul 5, 2023
The intention of pandas-dev#37819 was to deprecate (removed in pandas-dev#49607) the special case behaviour of non-monotonic datetime indexes, so that if either slice bound is not in the index, a KeyError is raised. However, the check only fired correctly for the case where the lower bound was not in the index and either the upper bound was None or it was _also_ not in the index. Correct the logic here and adapt the one test that exercises this behaviour. Closes pandas-dev#53983.
wence-
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Jul 5, 2023
The intention of pandas-dev#37819 was to deprecate (removed in pandas-dev#49607) the special case behaviour of non-monotonic datetime indexes, so that if either slice bound is not in the index, a KeyError is raised. However, the check only fired correctly for the case where the lower bound was not in the index and either the upper bound was None or it was _also_ not in the index. Correct the logic here and adapt the one test that exercises this behaviour. Closes pandas-dev#53983.
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mroeschke
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Jul 19, 2023
* Correct check when slicing non-monotonic datetime indexes The intention of #37819 was to deprecate (removed in #49607) the special case behaviour of non-monotonic datetime indexes, so that if either slice bound is not in the index, a KeyError is raised. However, the check only fired correctly for the case where the lower bound was not in the index and either the upper bound was None or it was _also_ not in the index. Correct the logic here and adapt the one test that exercises this behaviour. Closes #53983. * Modify more tests for updated behaviour * Added whatsnew entry as bugfix
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black pandasgit diff upstream/master -u -- "*.py" | flake8 --diffcc @jreback @jorisvandenbossche
This would deprecate #37796 before removing it.