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INT: support DatetimeBlock with timezones #8260

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jreback opened this Issue Sep 12, 2014 · 3 comments

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jreback commented Sep 12, 2014

to allow real support / conversions of timezone aware Series.
xref #9560; DatetimeIndex.to_series() can be changed to preserve the tz always

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ssanderson Jun 22, 2015

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@jreback I think this affects https://github.com/quantopian/zipline in a pretty significant way. What's involved in implementing this?

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ssanderson commented Jun 22, 2015

@jreback I think this affects https://github.com/quantopian/zipline in a pretty significant way. What's involved in implementing this?

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what do u mean significant way?

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jreback commented Jun 22, 2015

what do u mean significant way?

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ssanderson Jun 22, 2015

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meaning, we do a lot of operations on timezone-aware datetime data in pandas, and from reading #10192 it looks like that has a nontrivial performance impact.

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ssanderson commented Jun 22, 2015

meaning, we do a lot of operations on timezone-aware datetime data in pandas, and from reading #10192 it looks like that has a nontrivial performance impact.

@jreback jreback referenced this issue Jun 30, 2015

Merged

API: add DatetimeBlockTZ #8260 #10477

5 of 5 tasks complete

jreback added a commit to jreback/pandas that referenced this issue Aug 14, 2015

API: add DatetimeBlockTZ pandas-dev#8260
fix scalar comparisons vs None generally

fix NaT formattting in Series

TST: skip postgresql test with tz's

update for msgpack

Conflicts:
	pandas/core/base.py
	pandas/core/categorical.py
	pandas/core/format.py
	pandas/tests/test_base.py
	pandas/util/testing.py

full interop for tz-aware Series & timedeltas pandas-dev#10763

@jreback jreback modified the milestones: 0.17.0, Next Major Release Sep 4, 2015

jreback added a commit to jreback/pandas that referenced this issue Sep 5, 2015

API: add DatetimeBlockTZ pandas-dev#8260
fix scalar comparisons vs None generally

fix NaT formattting in Series

TST: skip postgresql test with tz's

update for msgpack

Conflicts:
	pandas/core/base.py
	pandas/core/categorical.py
	pandas/core/format.py
	pandas/tests/test_base.py
	pandas/util/testing.py

full interop for tz-aware Series & timedeltas pandas-dev#10763

jreback added a commit that referenced this issue Sep 5, 2015

nickeubank added a commit to nickeubank/pandas that referenced this issue Sep 29, 2015

API: add DatetimeBlockTZ pandas-dev#8260
fix scalar comparisons vs None generally

fix NaT formattting in Series

TST: skip postgresql test with tz's

update for msgpack

Conflicts:
	pandas/core/base.py
	pandas/core/categorical.py
	pandas/core/format.py
	pandas/tests/test_base.py
	pandas/util/testing.py

full interop for tz-aware Series & timedeltas pandas-dev#10763
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