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Merge branch 'funcs' of git.infinidat.com:host-opensource/infi.clickhouse_orm into funcs
# Conflicts: # src/infi/clickhouse_orm/fields.py # src/infi/clickhouse_orm/query.py # tests/test_querysets.py
This commit is contained in:
Itai Shirav
commit
88510aaa42
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@ -99,6 +99,26 @@ class Field(FunctionOperatorsMixin):
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inner_field = getattr(inner_field, 'inner_field', None)
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return False
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# Support comparison operators (for use in querysets)
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def __lt__(self, other):
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return F.less(self, other)
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def __le__(self, other):
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return F.lessOrEquals(self, other)
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def __eq__(self, other):
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return F.equals(self, other)
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def __ne__(self, other):
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return F.notEquals(self, other)
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def __gt__(self, other):
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return F.greater(self, other)
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def __ge__(self, other):
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return F.greaterOrEquals(self, other)
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class StringField(Field):
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@ -5,7 +5,7 @@ import pytz
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from copy import copy
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from math import ceil
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from .engines import CollapsingMergeTree
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from datetime import date, datetime, tzinfo
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from datetime import date, datetime
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from .utils import comma_join
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@ -3,10 +3,9 @@ from __future__ import unicode_literals, print_function
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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 infi.clickhouse_orm.query import Q, F
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from .base_test_with_data import *
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from datetime import date, datetime, timedelta
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from datetime import date, datetime
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from logging import getLogger
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logger = getLogger('tests')
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@ -433,6 +432,136 @@ class AggregateTestCase(TestCaseWithData):
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self.assertEqual(qs.conditions_as_sql(), 'the__next__number > 1')
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class FuncsTestCase(TestCaseWithData):
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def setUp(self):
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super(FuncsTestCase, 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_func(self, func, expected_value=None):
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sql = 'SELECT %s AS value' % func.to_sql()
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logger.info(sql)
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result = list(self.database.select(sql))
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logger.info('\t==> %s', result[0].value)
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if expected_value is not None:
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self.assertEqual(result[0].value, expected_value)
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def test_func_to_sql(self):
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# No args
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self.assertEqual(F('func').to_sql(), 'func()')
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# String args
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self.assertEqual(F('func', "Wendy's", u"Wendy's").to_sql(), "func('Wendy\\'s', 'Wendy\\'s')")
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# Numeric args
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self.assertEqual(F('func', 1, 1.1, Decimal('3.3')).to_sql(), "func(1, 1.1, 3.3)")
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# Date args
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self.assertEqual(F('func', date(2018, 12, 31)).to_sql(), "func('2018-12-31')")
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# Datetime args
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self.assertEqual(F('func', datetime(2018, 12, 31)).to_sql(), "func('1546214400')")
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# Boolean args
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self.assertEqual(F('func', True, False).to_sql(), "func(1, 0)")
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# Null args
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self.assertEqual(F('func', None).to_sql(), "func(NULL)")
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# Fields as args
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self.assertEqual(F('func', SampleModel.color).to_sql(), "func(`color`)")
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# Funcs as args
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self.assertEqual(F('func', F('sqrt', 25)).to_sql(), 'func(sqrt(25))')
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# Iterables as args
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x = [1, 'z', F('foo', 17)]
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for y in [x, tuple(x), iter(x)]:
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self.assertEqual(F('func', y, 5).to_sql(), "func([1, 'z', foo(17)], 5)")
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self.assertEqual(F('func', [(1, 2), (3, 4)]).to_sql(), "func([[1, 2], [3, 4]])")
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def test_filter_float_field(self):
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qs = Person.objects_in(self.database)
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# Height > 2
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self._test_qs(qs.filter(F.greater(Person.height, 2)), 0)
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self._test_qs(qs.filter(Person.height > 2), 0)
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# Height > 1.61
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self._test_qs(qs.filter(F.greater(Person.height, 1.61)), 96)
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self._test_qs(qs.filter(Person.height > 1.61), 96)
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# Height < 1.61
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self._test_qs(qs.filter(F.less(Person.height, 1.61)), 4)
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self._test_qs(qs.filter(Person.height < 1.61), 4)
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def test_filter_date_field(self):
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qs = Person.objects_in(self.database)
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# People born on the 30th
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self._test_qs(qs.filter(F('equals', F('toDayOfMonth', Person.birthday), 30)), 3)
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self._test_qs(qs.filter(F('toDayOfMonth', Person.birthday) == 30), 3)
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self._test_qs(qs.filter(F.toDayOfMonth(Person.birthday) == 30), 3)
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# People born on Sunday
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self._test_qs(qs.filter(F('equals', F('toDayOfWeek', Person.birthday), 7)), 18)
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self._test_qs(qs.filter(F('toDayOfWeek', Person.birthday) == 7), 18)
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self._test_qs(qs.filter(F.toDayOfWeek(Person.birthday) == 7), 18)
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# People born on 1976-10-01
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self._test_qs(qs.filter(F('equals', Person.birthday, '1976-10-01')), 1)
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self._test_qs(qs.filter(F('equals', Person.birthday, date(1976, 10, 01))), 1)
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self._test_qs(qs.filter(Person.birthday == date(1976, 10, 01)), 1)
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def test_func_as_field_value(self):
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qs = Person.objects_in(self.database)
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self._test_qs(qs.filter(height__gt=F.plus(1, 0.61)), 96)
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self._test_qs(qs.exclude(birthday=F.today()), 100)
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self._test_qs(qs.filter(birthday__between=['1970-01-01', F.today()]), 100)
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def test_comparison_operators(self):
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one = F.plus(1, 0)
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two = F.plus(1, 1)
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self._test_func(one > one, 0)
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self._test_func(two > one, 1)
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self._test_func(one >= two, 0)
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self._test_func(one >= one, 1)
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self._test_func(one < one, 0)
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self._test_func(one < two, 1)
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self._test_func(two <= one, 0)
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self._test_func(one <= one, 1)
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self._test_func(one == two, 0)
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self._test_func(one == one, 1)
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self._test_func(one != one, 0)
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self._test_func(one != two, 1)
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def test_arithmetic_operators(self):
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one = F.plus(1, 0)
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two = F.plus(1, 1)
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# +
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self._test_func(one + two, 3)
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self._test_func(one + 2, 3)
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self._test_func(2 + one, 3)
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# -
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self._test_func(one - two, -1)
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self._test_func(one - 2, -1)
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self._test_func(1 - two, -1)
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# *
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self._test_func(one * two, 2)
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self._test_func(one * 2, 2)
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self._test_func(1 * two, 2)
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# /
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self._test_func(one / two, 0.5)
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self._test_func(one / 2, 0.5)
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self._test_func(1 / two, 0.5)
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# %
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self._test_func(one % two, 1)
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self._test_func(one % 2, 1)
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self._test_func(1 % two, 1)
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# sign
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self._test_func(-one, -1)
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self._test_func(--one, 1)
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self._test_func(+one, 1)
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Color = Enum('Color', u'red blue green yellow brown white black')
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