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BLD: add support for pytables 3.1 #6268

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Feb 13, 2014
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4 changes: 2 additions & 2 deletions ci/requirements-3.3.txt
Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@ xlrd==0.9.2
html5lib==1.0b2
numpy==1.8.0
cython==0.19.1
numexpr==2.1
tables==3.0.0
numexpr==2.3
tables==3.1.0
matplotlib==1.2.1
patsy==0.1.0
lxml==3.2.1
Expand Down
22 changes: 21 additions & 1 deletion pandas/io/tests/test_pytables.py
Original file line number Diff line number Diff line change
Expand Up @@ -1449,7 +1449,7 @@ def col(t,column):
tables.__version__ = v
self.assertRaises(Exception, store.create_table_index, 'f')

for v in ['2.3.1', '2.3.1b', '2.4dev', '2.4', original]:
for v in ['2.3.1', '2.3.1b', '2.4dev', '2.4', '3.0.0', '3.1.0', original]:
pytables._table_mod = None
pytables._table_supports_index = False
tables.__version__ = v
Expand Down Expand Up @@ -3732,6 +3732,26 @@ def test_select_as_multiple(self):
self.assertRaises(ValueError, store.select_as_multiple,
['df1','df3'], where=['A>0', 'B>0'], selector='df1')


def test_nan_selection_bug_4858(self):

# GH 4858; nan selection bug, only works for pytables >= 3.1
if LooseVersion(tables.__version__) < '3.1.0':
raise nose.SkipTest('tables version does not support fix for nan selection bug: GH 4858')

with ensure_clean_store(self.path) as store:

df = DataFrame(dict(cols = range(6), values = range(6)), dtype='float64')
df['cols'] = (df['cols']+10).apply(str)
df.iloc[0] = np.nan

expected = DataFrame(dict(cols = ['13.0','14.0','15.0'], values = [3.,4.,5.]), index=[3,4,5])

# write w/o the index on that particular column
store.append('df',df, data_columns=True,index=['cols'])
result = store.select('df',where='values>2.0')
assert_frame_equal(result,expected)

def test_start_stop(self):

with ensure_clean_store(self.path) as store:
Expand Down