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Modest performance, address #12647 #12656

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Modest performance, address #12647 #12656

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a7df841
Modest performance, address #12647
kshedden Mar 17, 2016
7d91d51
Add test data set from raderaj
kshedden Mar 19, 2016
ea2339f
Use encoding when reading column headers
kshedden Mar 19, 2016
bdc9a06
More cython for performance, refactored constants
kshedden Mar 19, 2016
3bd1b35
Move more code to cython
kshedden Mar 19, 2016
23bdf7a
Decouple data decoding and decoding e.g. of column names
kshedden Mar 19, 2016
dc330c5
Add two missing alignment constants
kshedden Mar 19, 2016
7e156b7
Working on cython issues
kshedden Apr 10, 2016
3ef626e
Working on cython issues
kshedden Apr 10, 2016
11c2f31
Further cythonization
kshedden Apr 10, 2016
873a877
Added option to not decode header text
kshedden Apr 10, 2016
c26d22b
added to whatsnew
kshedden Apr 11, 2016
1af73b3
Further encoding work
kshedden Apr 11, 2016
8b4b96d
pep8 cleanup
kshedden Apr 11, 2016
ea87a7f
Fix encoding handling bug for py2
kshedden Apr 21, 2016
b7de358
flake8 fixes
kshedden Apr 21, 2016
fe4731b
Integrate jreback's cython improvements
kshedden Apr 22, 2016
af085f7
Add one more type
kshedden Apr 22, 2016
b3024ed
Add missing test data files
kshedden Apr 22, 2016
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added to whatsnew
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@kshedden
kshedden committed Apr 21, 2016
commit c26d22b8dafa9a6e552ac3f75eee503c41533b9d
3 changes: 2 additions & 1 deletion doc/source/whatsnew/v0.18.1.txt
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Expand Up @@ -248,7 +248,7 @@ Deprecations
Performance Improvements
~~~~~~~~~~~~~~~~~~~~~~~~


- Improved speed of SAS reader (PR 12656)
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write the issue number like others (it doesn't matter that its a PR number)


- Improved performance of ``DataFrame.to_sql`` when checking case sensitivity for tables. Now only checks if table has been created correctly when table name is not lower case. (:issue:`12876`)

Expand Down Expand Up @@ -281,6 +281,7 @@ Bug Fixes
- Bug in ``.drop()`` with a non-unique ``MultiIndex``. (:issue:`12701`)
- Bug in ``.concat`` of datetime tz-aware and naive DataFrames (:issue:`12467`)
- Bug in correctly raising a ``ValueError`` in ``.resample(..).fillna(..)`` when passing a non-string (:issue:`12952`)
- Various encoding and header processing issues in SAS reader (:issue:`12659`, :issue:`12654`, :issue:`12647`, :issue:`12809`, :issue:`12656`)

- Bug in ``Timestamp.__repr__`` that caused ``pprint`` to fail in nested structures (:issue:`12622`)
- Bug in ``Timedelta.min`` and ``Timedelta.max``, the properties now report the true minimum/maximum ``timedeltas`` as recognized by Pandas. See :ref:`documentation <timedeltas.limitations>`. (:issue:`12727`)
Expand Down