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https://github.com/Infinidat/infi.clickhouse_orm.git
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521 lines
24 KiB
Python
521 lines
24 KiB
Python
# -*- coding: utf-8 -*-
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import unittest
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from infi.clickhouse_orm.database import Database
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from infi.clickhouse_orm.query import Q
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from infi.clickhouse_orm.funcs import F
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from .base_test_with_data import *
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from datetime import date, datetime
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from enum import Enum
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from decimal import Decimal
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from logging import getLogger
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logger = getLogger('tests')
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class QuerySetTestCase(TestCaseWithData):
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def setUp(self):
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super(QuerySetTestCase, self).setUp()
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self.database.insert(self._sample_data())
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def _test_qs(self, qs, expected_count):
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logger.info(qs.as_sql())
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count = 0
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for instance in qs:
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count += 1
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logger.info('\t[%d]\t%s' % (count, instance.to_dict()))
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self.assertEqual(count, expected_count)
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self.assertEqual(qs.count(), expected_count)
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def test_prewhere(self):
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# We can't distinguish prewhere and where results, it affects performance only.
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# So let's control prewhere acts like where does
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qs = Person.objects_in(self.database)
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self.assertTrue(qs.filter(first_name='Connor', prewhere=True))
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self.assertFalse(qs.filter(first_name='Willy', prewhere=True))
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def test_no_filtering(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs, len(data))
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def test_truthiness(self):
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qs = Person.objects_in(self.database)
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self.assertTrue(qs.filter(first_name='Connor'))
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self.assertFalse(qs.filter(first_name='Willy'))
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def test_filter_null_value(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(passport=None), 98)
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self._test_qs(qs.exclude(passport=None), 2)
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self._test_qs(qs.filter(passport__ne=None), 2)
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self._test_qs(qs.exclude(passport__ne=None), 98)
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def test_filter_string_field(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(first_name='Ciaran'), 2)
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self._test_qs(qs.filter(first_name='ciaran'), 0) # case sensitive
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self._test_qs(qs.filter(first_name__iexact='ciaran'), 2) # case insensitive
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self._test_qs(qs.filter(first_name__gt='Whilemina'), 4)
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self._test_qs(qs.filter(first_name__gte='Whilemina'), 5)
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self._test_qs(qs.filter(first_name__lt='Adam'), 1)
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self._test_qs(qs.filter(first_name__lte='Adam'), 2)
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self._test_qs(qs.filter(first_name__in=('Connor', 'Courtney')), 3) # in tuple
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self._test_qs(qs.filter(first_name__in=['Connor', 'Courtney']), 3) # in list
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self._test_qs(qs.filter(first_name__in="'Connor', 'Courtney'"), 3) # in string
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self._test_qs(qs.filter(first_name__not_in="'Connor', 'Courtney'"), 97)
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self._test_qs(qs.filter(first_name__contains='sh'), 3) # case sensitive
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self._test_qs(qs.filter(first_name__icontains='sh'), 6) # case insensitive
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self._test_qs(qs.filter(first_name__startswith='le'), 0) # case sensitive
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self._test_qs(qs.filter(first_name__istartswith='Le'), 2) # case insensitive
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self._test_qs(qs.filter(first_name__istartswith=''), 100) # empty prefix
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self._test_qs(qs.filter(first_name__endswith='IA'), 0) # case sensitive
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self._test_qs(qs.filter(first_name__iendswith='ia'), 3) # case insensitive
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self._test_qs(qs.filter(first_name__iendswith=''), 100) # empty suffix
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def test_filter_with_q_objects(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(Q(first_name='Ciaran')), 2)
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self._test_qs(qs.filter(Q(first_name='Ciaran') | Q(first_name='Chelsea')), 3)
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self._test_qs(qs.filter(Q(first_name__in=['Warren', 'Whilemina', 'Whitney']) & Q(height__gte=1.7)), 3)
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self._test_qs(qs.filter((Q(first_name__in=['Warren', 'Whilemina', 'Whitney']) & Q(height__gte=1.7) |
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(Q(first_name__in=['Victoria', 'Victor', 'Venus']) & Q(height__lt=1.7)))), 4)
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self._test_qs(qs.filter(Q(first_name='Elton') & ~Q(last_name='Smith')), 1)
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# Check operator precendence
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self._test_qs(qs.filter(first_name='Cassady').filter(Q(last_name='Knapp') | Q(last_name='Rogers') | Q(last_name='Gregory')), 2)
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self._test_qs(qs.filter(Q(first_name='Cassady') & Q(last_name='Knapp') | Q(first_name='Beatrice') & Q(last_name='Gregory')), 2)
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self._test_qs(qs.filter(Q(first_name='Courtney') | Q(first_name='Cassady') & Q(last_name='Knapp')), 3)
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def test_filter_unicode_string(self):
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self.database.insert([
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Person(first_name=u'דונלד', last_name=u'דאק')
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])
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(first_name=u'דונלד'), 1)
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def test_filter_float_field(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(height__gt=2), 0)
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self._test_qs(qs.filter(height__lt=1.61), 4)
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self._test_qs(qs.filter(height__lt='1.61'), 4)
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self._test_qs(qs.exclude(height__lt='1.61'), 96)
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self._test_qs(qs.filter(height__gt=0), 100)
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self._test_qs(qs.exclude(height__gt=0), 0)
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def test_filter_date_field(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(birthday='1970-12-02'), 1)
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self._test_qs(qs.filter(birthday__eq='1970-12-02'), 1)
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self._test_qs(qs.filter(birthday__ne='1970-12-02'), 99)
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self._test_qs(qs.filter(birthday=date(1970, 12, 2)), 1)
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self._test_qs(qs.filter(birthday__lte=date(1970, 12, 2)), 3)
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def test_mutiple_filter(self):
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qs = Person.objects_in(self.database)
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# Single filter call with multiple conditions is ANDed
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self._test_qs(qs.filter(first_name='Ciaran', last_name='Carver'), 1)
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# Separate filter calls are also ANDed
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self._test_qs(qs.filter(first_name='Ciaran').filter(last_name='Carver'), 1)
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self._test_qs(qs.filter(birthday='1970-12-02').filter(birthday='1986-01-07'), 0)
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def test_multiple_exclude(self):
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qs = Person.objects_in(self.database)
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# Single exclude call with multiple conditions is ANDed
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self._test_qs(qs.exclude(first_name='Ciaran', last_name='Carver'), 99)
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# Separate exclude calls are ORed
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self._test_qs(qs.exclude(first_name='Ciaran').exclude(last_name='Carver'), 98)
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self._test_qs(qs.exclude(birthday='1970-12-02').exclude(birthday='1986-01-07'), 98)
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def test_only(self):
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qs = Person.objects_in(self.database).only('first_name', 'last_name')
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for person in qs:
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self.assertTrue(person.first_name)
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self.assertTrue(person.last_name)
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self.assertFalse(person.height)
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self.assertEqual(person.birthday, date(1970, 1, 1))
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def test_order_by(self):
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qs = Person.objects_in(self.database)
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self.assertFalse('ORDER BY' in qs.as_sql())
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self.assertFalse(qs.order_by_as_sql())
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person = list(qs.order_by('first_name', 'last_name'))[0]
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self.assertEqual(person.first_name, 'Abdul')
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person = list(qs.order_by('-first_name', '-last_name'))[0]
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self.assertEqual(person.first_name, 'Yolanda')
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person = list(qs.order_by('height'))[0]
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self.assertEqual(person.height, 1.59)
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person = list(qs.order_by('-height'))[0]
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self.assertEqual(person.height, 1.8)
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def test_in_subquery(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(height__in='SELECT max(height) FROM $table'), 2)
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self._test_qs(qs.filter(first_name__in=qs.only('last_name')), 2)
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self._test_qs(qs.filter(first_name__not_in=qs.only('last_name')), 98)
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def _insert_sample_model(self):
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self.database.create_table(SampleModel)
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now = datetime.now()
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self.database.insert([
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SampleModel(timestamp=now, num=1, color=Color.red),
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SampleModel(timestamp=now, num=2, color=Color.red),
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SampleModel(timestamp=now, num=3, color=Color.blue),
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SampleModel(timestamp=now, num=4, color=Color.white),
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])
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def _insert_sample_collapsing_model(self):
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self.database.create_table(SampleCollapsingModel)
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now = datetime.now()
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self.database.insert([
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SampleCollapsingModel(timestamp=now, num=1, color=Color.red),
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SampleCollapsingModel(timestamp=now, num=2, color=Color.red),
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SampleCollapsingModel(timestamp=now, num=2, color=Color.red, sign=-1),
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SampleCollapsingModel(timestamp=now, num=2, color=Color.green),
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SampleCollapsingModel(timestamp=now, num=3, color=Color.white),
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SampleCollapsingModel(timestamp=now, num=4, color=Color.white, sign=1),
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SampleCollapsingModel(timestamp=now, num=4, color=Color.white, sign=-1),
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SampleCollapsingModel(timestamp=now, num=4, color=Color.blue, sign=1),
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])
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def test_filter_enum_field(self):
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self._insert_sample_model()
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qs = SampleModel.objects_in(self.database)
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self._test_qs(qs.filter(color=Color.red), 2)
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self._test_qs(qs.exclude(color=Color.white), 3)
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# Different ways to specify blue
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self._test_qs(qs.filter(color__gt=Color.blue), 1)
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self._test_qs(qs.filter(color__gt='blue'), 1)
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self._test_qs(qs.filter(color__gt=2), 1)
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def test_filter_int_field(self):
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self._insert_sample_model()
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qs = SampleModel.objects_in(self.database)
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self._test_qs(qs.filter(num=1), 1)
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self._test_qs(qs.filter(num__eq=1), 1)
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self._test_qs(qs.filter(num__ne=1), 3)
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self._test_qs(qs.filter(num__gt=1), 3)
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self._test_qs(qs.filter(num__gte=1), 4)
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self._test_qs(qs.filter(num__in=(1, 2, 3)), 3)
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self._test_qs(qs.filter(num__in=range(1, 4)), 3)
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def test_slicing(self):
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db = Database('system')
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numbers = list(range(100))
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qs = Numbers.objects_in(db)
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self.assertEqual(qs[0].number, numbers[0])
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self.assertEqual(qs[5].number, numbers[5])
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self.assertEqual([row.number for row in qs[:1]], numbers[:1])
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self.assertEqual([row.number for row in qs[:10]], numbers[:10])
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self.assertEqual([row.number for row in qs[3:10]], numbers[3:10])
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self.assertEqual([row.number for row in qs[9:10]], numbers[9:10])
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self.assertEqual([row.number for row in qs[10:10]], numbers[10:10])
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def test_invalid_slicing(self):
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db = Database('system')
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qs = Numbers.objects_in(db)
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with self.assertRaises(AssertionError):
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qs[3:10:2]
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with self.assertRaises(AssertionError):
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qs[-5]
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with self.assertRaises(AssertionError):
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qs[:-5]
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with self.assertRaises(AssertionError):
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qs[50:1]
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def test_pagination(self):
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qs = Person.objects_in(self.database).order_by('first_name', 'last_name')
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# Try different page sizes
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for page_size in (1, 2, 7, 10, 30, 100, 150):
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# Iterate over pages and collect all instances
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page_num = 1
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instances = set()
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while True:
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page = qs.paginate(page_num, page_size)
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self.assertEqual(page.number_of_objects, len(data))
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self.assertGreater(page.pages_total, 0)
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[instances.add(obj.to_tsv()) for obj in page.objects]
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if page.pages_total == page_num:
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break
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page_num += 1
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# Verify that all instances were returned
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self.assertEqual(len(instances), len(data))
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def test_pagination_last_page(self):
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qs = Person.objects_in(self.database).order_by('first_name', 'last_name')
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# Try different page sizes
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for page_size in (1, 2, 7, 10, 30, 100, 150):
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# Ask for the last page in two different ways and verify equality
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page_a = qs.paginate(-1, page_size)
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page_b = qs.paginate(page_a.pages_total, page_size)
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self.assertEqual(page_a[1:], page_b[1:])
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self.assertEqual([obj.to_tsv() for obj in page_a.objects],
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[obj.to_tsv() for obj in page_b.objects])
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def test_pagination_invalid_page(self):
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qs = Person.objects_in(self.database).order_by('first_name', 'last_name')
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for page_num in (0, -2, -100):
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with self.assertRaises(ValueError):
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qs.paginate(page_num, 100)
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def test_pagination_with_conditions(self):
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qs = Person.objects_in(self.database).order_by('first_name', 'last_name').filter(first_name__lt='Ava')
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page = qs.paginate(1, 100)
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self.assertEqual(page.number_of_objects, 10)
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def test_distinct(self):
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qs = Person.objects_in(self.database).distinct()
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self._test_qs(qs, 100)
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self._test_qs(qs.only('first_name'), 94)
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def test_materialized_field(self):
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self._insert_sample_model()
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qs = SampleModel.objects_in(self.database)
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for obj in qs:
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self.assertTrue(obj.materialized_date != DateField.min_value)
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def test_alias_field(self):
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self._insert_sample_model()
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qs = SampleModel.objects_in(self.database)
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for obj in qs:
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self.assertTrue(obj.num_squared == obj.num ** 2)
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def test_count_of_slice(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs[:70], 70)
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self._test_qs(qs[70:80], 10)
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self._test_qs(qs[80:], 20)
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def test_final(self):
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# Final can be used with CollapsingMergeTree/ReplacingMergeTree engines only
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with self.assertRaises(TypeError):
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Person.objects_in(self.database).final()
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self._insert_sample_collapsing_model()
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res = list(SampleCollapsingModel.objects_in(self.database).final().order_by('num'))
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self.assertEqual(4, len(res))
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for item, exp_color in zip(res, (Color.red, Color.green, Color.white, Color.blue)):
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self.assertEqual(exp_color, item.color)
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def test_mixed_filter(self):
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qs = Person.objects_in(self.database)
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qs = qs.filter(Q(first_name='a'), F('greater', Person.height, 1.7), last_name='b')
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self.assertEqual(qs.conditions_as_sql(),
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"(first_name = 'a') AND (greater(`height`, 1.7)) AND (last_name = 'b')")
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def test_invalid_filter(self):
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qs = Person.objects_in(self.database)
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with self.assertRaises(TypeError):
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qs.filter('foo')
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class AggregateTestCase(TestCaseWithData):
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def setUp(self):
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super(AggregateTestCase, self).setUp()
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self.database.insert(self._sample_data())
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def test_aggregate_no_grouping(self):
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qs = Person.objects_in(self.database).aggregate(average_height='avg(height)', count='count()')
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print(qs.as_sql())
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self.assertEqual(qs.count(), 1)
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for row in qs:
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self.assertAlmostEqual(row.average_height, 1.6923, places=4)
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self.assertEqual(row.count, 100)
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# With functions
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qs = Person.objects_in(self.database).aggregate(average_height=F.avg(Person.height), count=F.count())
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print(qs.as_sql())
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self.assertEqual(qs.count(), 1)
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for row in qs:
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self.assertAlmostEqual(row.average_height, 1.6923, places=4)
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self.assertEqual(row.count, 100)
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def test_aggregate_with_filter(self):
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# When filter comes before aggregate
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qs = Person.objects_in(self.database).filter(first_name='Warren').aggregate(average_height='avg(height)', count='count()')
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print(qs.as_sql())
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self.assertEqual(qs.count(), 1)
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for row in qs:
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self.assertAlmostEqual(row.average_height, 1.675, places=4)
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self.assertEqual(row.count, 2)
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# When filter comes after aggregate
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qs = Person.objects_in(self.database).aggregate(average_height='avg(height)', count='count()').filter(first_name='Warren')
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print(qs.as_sql())
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self.assertEqual(qs.count(), 1)
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for row in qs:
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self.assertAlmostEqual(row.average_height, 1.675, places=4)
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self.assertEqual(row.count, 2)
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def test_aggregate_with_filter__funcs(self):
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# When filter comes before aggregate
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qs = Person.objects_in(self.database).filter(Person.first_name=='Warren').aggregate(average_height=F.avg(Person.height), count=F.count())
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print(qs.as_sql())
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self.assertEqual(qs.count(), 1)
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for row in qs:
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self.assertAlmostEqual(row.average_height, 1.675, places=4)
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self.assertEqual(row.count, 2)
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# When filter comes after aggregate
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qs = Person.objects_in(self.database).aggregate(average_height=F.avg(Person.height), count=F.count()).filter(Person.first_name=='Warren')
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print(qs.as_sql())
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self.assertEqual(qs.count(), 1)
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for row in qs:
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self.assertAlmostEqual(row.average_height, 1.675, places=4)
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self.assertEqual(row.count, 2)
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def test_aggregate_with_implicit_grouping(self):
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qs = Person.objects_in(self.database).aggregate('first_name', average_height='avg(height)', count='count()')
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print(qs.as_sql())
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self.assertEqual(qs.count(), 94)
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total = 0
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for row in qs:
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self.assertTrue(1.5 < row.average_height < 2)
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self.assertTrue(0 < row.count < 3)
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total += row.count
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self.assertEqual(total, 100)
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def test_aggregate_with_explicit_grouping(self):
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qs = Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('weekday')
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print(qs.as_sql())
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self.assertEqual(qs.count(), 7)
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total = 0
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for row in qs:
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total += row.count
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self.assertEqual(total, 100)
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def test_aggregate_with_order_by(self):
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qs = Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('weekday')
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days = [row.weekday for row in qs.order_by('weekday')]
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self.assertEqual(days, list(range(1, 8)))
|
|
|
|
def test_aggregate_with_indexing(self):
|
|
qs = Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('weekday')
|
|
total = 0
|
|
for i in range(7):
|
|
total += qs[i].count
|
|
self.assertEqual(total, 100)
|
|
|
|
def test_aggregate_with_slicing(self):
|
|
qs = Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('weekday')
|
|
total = sum(row.count for row in qs[:3]) + sum(row.count for row in qs[3:])
|
|
self.assertEqual(total, 100)
|
|
|
|
def test_aggregate_with_pagination(self):
|
|
qs = Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('weekday')
|
|
total = 0
|
|
page_num = 1
|
|
while True:
|
|
page = qs.paginate(page_num, page_size=3)
|
|
self.assertEqual(page.number_of_objects, 7)
|
|
total += sum(row.count for row in page.objects)
|
|
if page.pages_total == page_num:
|
|
break
|
|
page_num += 1
|
|
self.assertEqual(total, 100)
|
|
|
|
def test_aggregate_with_wrong_grouping(self):
|
|
with self.assertRaises(AssertionError):
|
|
Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('first_name')
|
|
|
|
def test_aggregate_with_no_calculated_fields(self):
|
|
with self.assertRaises(AssertionError):
|
|
Person.objects_in(self.database).aggregate()
|
|
|
|
def test_aggregate_with_only(self):
|
|
# Cannot put only() after aggregate()
|
|
with self.assertRaises(NotImplementedError):
|
|
Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').only('weekday')
|
|
# When only() comes before aggregate(), it gets overridden
|
|
qs = Person.objects_in(self.database).only('last_name').aggregate(average_height='avg(height)', count='count()')
|
|
self.assertTrue('last_name' not in qs.as_sql())
|
|
|
|
def test_aggregate_on_aggregate(self):
|
|
with self.assertRaises(NotImplementedError):
|
|
Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').aggregate(s='sum(height)')
|
|
|
|
def test_filter_on_calculated_field(self):
|
|
# This is currently not supported, so we expect it to fail
|
|
with self.assertRaises(AttributeError):
|
|
qs = Person.objects_in(self.database).aggregate(weekday='toDayOfWeek(birthday)', count='count()').group_by('weekday')
|
|
qs = qs.filter(weekday=1)
|
|
self.assertEqual(qs.count(), 1)
|
|
|
|
def test_aggregate_with_distinct(self):
|
|
# In this case distinct has no effect
|
|
qs = Person.objects_in(self.database).aggregate(average_height='avg(height)').distinct()
|
|
print(qs.as_sql())
|
|
self.assertEqual(qs.count(), 1)
|
|
|
|
def test_aggregate_with_totals(self):
|
|
qs = Person.objects_in(self.database).aggregate('first_name', count='count()').\
|
|
with_totals().order_by('-count')[:5]
|
|
print(qs.as_sql())
|
|
result = list(qs)
|
|
self.assertEqual(len(result), 6)
|
|
for row in result[:-1]:
|
|
self.assertEqual(2, row.count)
|
|
|
|
self.assertEqual(100, result[-1].count)
|
|
|
|
def test_double_underscore_field(self):
|
|
class Mdl(Model):
|
|
the__number = Int32Field()
|
|
the__next__number = Int32Field()
|
|
engine = Memory()
|
|
qs = Mdl.objects_in(self.database).filter(the__number=1)
|
|
self.assertEqual(qs.conditions_as_sql(), 'the__number = 1')
|
|
qs = Mdl.objects_in(self.database).filter(the__number__gt=1)
|
|
self.assertEqual(qs.conditions_as_sql(), 'the__number > 1')
|
|
qs = Mdl.objects_in(self.database).filter(the__next__number=1)
|
|
self.assertEqual(qs.conditions_as_sql(), 'the__next__number = 1')
|
|
qs = Mdl.objects_in(self.database).filter(the__next__number__gt=1)
|
|
self.assertEqual(qs.conditions_as_sql(), 'the__next__number > 1')
|
|
|
|
def test_limit_by(self):
|
|
if self.database.server_version < (19, 17):
|
|
raise unittest.SkipTest('ClickHouse version too old')
|
|
# Test without offset
|
|
qs = Person.objects_in(self.database).aggregate('first_name', 'last_name', 'height', n='count()').\
|
|
order_by('first_name', '-height').limit_by(1, 'first_name')
|
|
self.assertEqual(qs.count(), 94)
|
|
self.assertEqual(list(qs)[89].last_name, 'Bowen')
|
|
# Test with funcs and fields
|
|
qs = Person.objects_in(self.database).aggregate(Person.first_name, Person.last_name, Person.height, n=F.count()).\
|
|
order_by(Person.first_name, '-height').limit_by(1, F.upper(Person.first_name))
|
|
self.assertEqual(qs.count(), 94)
|
|
self.assertEqual(list(qs)[89].last_name, 'Bowen')
|
|
# Test with limit and offset, also mixing LIMIT with LIMIT BY
|
|
qs = Person.objects_in(self.database).filter(height__gt=1.67).order_by('height', 'first_name')
|
|
limited_qs = qs.limit_by((0, 3), 'height')
|
|
self.assertEqual([p.first_name for p in limited_qs[:3]], ['Amanda', 'Buffy', 'Dora'])
|
|
limited_qs = qs.limit_by((3, 3), 'height')
|
|
self.assertEqual([p.first_name for p in limited_qs[:3]], ['Elton', 'Josiah', 'Macaulay'])
|
|
limited_qs = qs.limit_by((6, 3), 'height')
|
|
self.assertEqual([p.first_name for p in limited_qs[:3]], ['Norman', 'Octavius', 'Oliver'])
|
|
|
|
|
|
Color = Enum('Color', u'red blue green yellow brown white black')
|
|
|
|
|
|
class SampleModel(Model):
|
|
|
|
timestamp = DateTimeField()
|
|
materialized_date = DateField(materialized='toDate(timestamp)')
|
|
num = Int32Field()
|
|
color = Enum8Field(Color)
|
|
num_squared = Int32Field(alias='num*num')
|
|
|
|
engine = MergeTree('materialized_date', ('materialized_date',))
|
|
|
|
|
|
class SampleCollapsingModel(SampleModel):
|
|
|
|
sign = Int8Field(default=1)
|
|
|
|
engine = CollapsingMergeTree('materialized_date', ('num',), 'sign')
|
|
|
|
|
|
class Numbers(Model):
|
|
|
|
number = UInt64Field()
|
|
|
|
|