def test_string_to_number(table, type):
casted = table.g.cast(type)
assert isinstance(casted, dt.array_type(type))
casted_literal = ibis.literal("5").cast(type).name("bar")
assert isinstance(casted_literal, dt.scalar_type(type))
assert casted_literal.get_name() == "bar"
def test_string_to_number(table, type):
casted = table.g.cast(type)
assert isinstance(casted, dt.array_type(type))
casted_literal = ibis.literal('5').cast(type).name('bar')
assert isinstance(casted_literal, dt.scalar_type(type))
assert casted_literal.get_name() == 'bar'
def test_string_to_number(self):
types = ['int8', 'int32', 'double', 'float']
for t in types:
c = 'g'
casted = self.table[c].cast(t)
assert isinstance(casted, dt.array_type(t))
casted_literal = ibis.literal('5').cast(t).name('bar')
assert isinstance(casted_literal, dt.scalar_type(t))
assert casted_literal.get_name() == 'bar'
def test_string_to_number(self):
types = ['int8', 'int32', 'double', 'float']
for t in types:
c = 'g'
casted = self.table[c].cast(t)
assert isinstance(casted, dt.array_type(t))
casted_literal = ibis.literal('5').cast(t).name('bar')
assert isinstance(casted_literal, dt.scalar_type(t))
assert casted_literal.get_name() == 'bar'
def test_int_literal_cases(self):
cases = [(5, 'int8'), (127, 'int8'), (128, 'int16'), (32767, 'int16'),
(32768, 'int32'), (2147483647, 'int32'),
(2147483648, 'int64'), (-5, 'int8'), (-128, 'int8'),
(-129, 'int16'), (-32769, 'int32'), (-2147483649, 'int64'),
(1.5, 'double'), ('foo', 'string')]
for value, ex_type in cases:
expr = ibis.literal(value)
klass = dt.scalar_type(ex_type)
assert isinstance(expr, klass)
assert isinstance(expr.op(), ir.Literal)
assert expr.op().value is value
def test_int_literal_cases(self):
cases = [
(5, 'int8'),
(127, 'int8'),
(128, 'int16'),
(32767, 'int16'),
(32768, 'int32'),
(2147483647, 'int32'),
(2147483648, 'int64'),
(-5, 'int8'),
(-128, 'int8'),
(-129, 'int16'),
(-32769, 'int32'),
(-2147483649, 'int64'),
(1.5, 'double'),
('foo', 'string')
]
for value, ex_type in cases:
expr = ibis.literal(value)
klass = dt.scalar_type(ex_type)
assert isinstance(expr, klass)
assert isinstance(expr.op(), ir.Literal)
assert expr.op().value is value
def test_literal_cases(value, expected_type):
expr = ibis.literal(value)
klass = dt.scalar_type(expected_type)
assert isinstance(expr, klass)
assert isinstance(expr.op(), ir.Literal)
assert expr.op().value is value
def test_literal_cases(value, expected_type):
expr = ibis.literal(value)
klass = dt.scalar_type(expected_type)
assert isinstance(expr, klass)
assert isinstance(expr.op(), ir.Literal)
assert expr.op().value is value
