def test_common_dtype_string():
u3 = np.array([u'123'])
u4 = np.array([u'1234'])
b3 = np.array([b'123'])
b5 = np.array([b'12345'])
assert common_dtype([u3, u4]).endswith('U4')
assert common_dtype([b5, u4]).endswith('U5')
assert common_dtype([b3, b5]).endswith('S5')
def test_common_dtype_string():
u3 = np.array([u'123'])
u4 = np.array([u'1234'])
b3 = np.array([b'123'])
b5 = np.array([b'12345'])
assert common_dtype([u3, u4]).endswith('U4')
assert common_dtype([b5, u4]).endswith('U5')
assert common_dtype([b3, b5]).endswith('S5')
def test_common_dtype_basic():
i8 = np.array(1, dtype=np.int64)
f8 = np.array(1, dtype=np.float64)
u3 = np.array(u'123')
with pytest.raises(MergeConflictError):
common_dtype([i8, u3])
assert common_dtype([i8, i8]).endswith('i8')
assert common_dtype([i8, f8]).endswith('f8')
def test_common_dtype_basic():
i8 = np.array(1, dtype=np.int64)
f8 = np.array(1, dtype=np.float64)
u3 = np.array(u'123')
with pytest.raises(MergeConflictError):
common_dtype([i8, u3])
assert common_dtype([i8, i8]).endswith('i8')
assert common_dtype([i8, f8]).endswith('f8')
def common_dtype(cols):
"""
Use numpy to find the common dtype for a list of columns.
Only allow columns within the following fundamental numpy data types:
np.bool_, np.object_, np.number, np.character, np.void
"""
try:
return metadata.common_dtype(cols)
except metadata.MergeConflictError as err:
tme = TableMergeError('Columns have incompatible types {}'.format(
err._incompat_types))
tme._incompat_types = err._incompat_types
raise tme
def common_dtype(cols):
"""
Use numpy to find the common dtype for a list of columns.
Only allow columns within the following fundamental numpy data types:
np.bool_, np.object_, np.number, np.character, np.void
"""
try:
return metadata.common_dtype(cols)
except metadata.MergeConflictError as err:
tme = TableMergeError('Columns have incompatible types {0}'
.format(err._incompat_types))
tme._incompat_types = err._incompat_types
raise tme
