def test_hist_index_min_max(self):
"Test min_out and max_out on HistogramIndex"
s = self.scheduler()
random = RandomTable(2, rows=100000, scheduler=s)
t_min = Table(name=None, dshape='{_1: float64}', data={'_1': [0.3]})
min_value = Constant(table=t_min, scheduler=s)
t_max = Table(name=None, dshape='{_1: float64}', data={'_1': [0.8]})
max_value = Constant(table=t_max, scheduler=s)
range_qry = RangeQuery(column='_1', scheduler=s)
range_qry.create_dependent_modules(random,
'table',
min_value=min_value,
max_value=max_value)
prt = Print(proc=self.terse, scheduler=s)
prt.input.df = range_qry.output.table
hist_index = range_qry.hist_index
min_ = Min(name='min_' + str(hash(hist_index)), scheduler=s)
min_.input.table = hist_index.output.min_out
prt2 = Print(proc=self.terse, scheduler=s)
prt2.input.df = min_.output.table
max_ = Max(name='max_' + str(hash(hist_index)), scheduler=s)
max_.input.table = hist_index.output.max_out
pr3 = Print(proc=self.terse, scheduler=s)
pr3.input.df = max_.output.table
s.start()
s.join()
res1 = random.table().min()['_1']
res2 = min_.table().last().to_dict()['_1']
self.assertAlmostEqual(res1, res2)
res1 = random.table().max()['_1']
res2 = max_.table().last().to_dict()['_1']
self.assertAlmostEqual(res1, res2)
def test_max(self):
s = self.scheduler()
random = RandomTable(10, rows=10000, scheduler=s)
max_ = Max(name='max_' + str(hash(random)), scheduler=s)
max_.input.table = random.output.table
pr = Print(proc=self.terse, scheduler=s)
pr.input.df = max_.output.table
s.start()
s.join()
res1 = random.table().max()
res2 = max_.table().last()
self.compare(res1, res2)
def test_idxmax(self):
s = self.scheduler()
random = RandomTable(10, rows=10000, throttle=1000, scheduler=s)
idxmax = IdxMax(scheduler=s)
idxmax.input.table = random.output.table
max_ = Max(scheduler=s)
max_.input.table = random.output.table
pr = Print(proc=self.terse, scheduler=s)
pr.input.df = idxmax.output.max
s.start()
s.join()
max1 = max_.table().last().to_dict()
#print('max1', max1)
max2 = idxmax.max().last().to_dict()
#print('max2', max2)
self.assertAlmostEqual(max1, max2)
