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https://github.com/Infinidat/infi.clickhouse_orm.git
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88 lines
3.5 KiB
Python
88 lines
3.5 KiB
Python
import unittest
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from infi.clickhouse_orm import F
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from .base_test_with_data import *
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from time import sleep
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class MutationsTestCase(TestCaseWithData):
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def setUp(self):
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super().setUp()
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if self.database.server_version < (18,):
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raise unittest.SkipTest('ClickHouse version too old')
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self._insert_all()
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def _wait_for_mutations(self):
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sql = 'SELECT * FROM system.mutations WHERE is_done = 0'
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while list(self.database.raw(sql)):
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sleep(0.25)
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def test_delete_all(self):
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Person.objects_in(self.database).delete()
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database))
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def test_delete_with_where_cond(self):
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cond = Person.first_name == 'Cassady'
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self.assertTrue(Person.objects_in(self.database).filter(cond))
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Person.objects_in(self.database).filter(cond).delete()
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database).filter(cond))
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self.assertTrue(Person.objects_in(self.database).exclude(cond))
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def test_delete_with_prewhere_cond(self):
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cond = F.toYear(Person.birthday) == 1977
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self.assertTrue(Person.objects_in(self.database).filter(cond))
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Person.objects_in(self.database).filter(cond, prewhere=True).delete()
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database).filter(cond))
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self.assertTrue(Person.objects_in(self.database).exclude(cond))
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def test_update_all(self):
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Person.objects_in(self.database).update(height=0)
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self._wait_for_mutations()
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for p in Person.objects_in(self.database): print(p.height)
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self.assertFalse(Person.objects_in(self.database).exclude(height=0))
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def test_update_with_where_cond(self):
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cond = Person.first_name == 'Cassady'
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Person.objects_in(self.database).filter(cond).update(height=0)
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database).filter(cond).exclude(height=0))
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def test_update_with_prewhere_cond(self):
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cond = F.toYear(Person.birthday) == 1977
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Person.objects_in(self.database).filter(cond, prewhere=True).update(height=0)
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database).filter(cond).exclude(height=0))
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def test_update_multiple_fields(self):
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Person.objects_in(self.database).update(height=0, passport=None)
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database).exclude(height=0))
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self.assertFalse(Person.objects_in(self.database).exclude(passport=None))
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def test_chained_update(self):
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Person.objects_in(self.database).update(height=F.rand()).update(passport=99999)
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self._wait_for_mutations()
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self.assertFalse(Person.objects_in(self.database).exclude(passport=99999))
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def test_invalid_state_for_mutations(self):
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base_query = Person.objects_in(self.database)
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queries = [
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base_query[0:1],
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base_query.limit_by(5, 'first_name'),
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base_query.distinct(),
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base_query.aggregate('first_name', count=F.count())
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]
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for query in queries:
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print(query)
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with self.assertRaises(AssertionError):
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query.delete()
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with self.assertRaises(AssertionError):
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query.update(height=1.8)
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def test_missing_fields_for_update(self):
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with self.assertRaises(AssertionError):
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Person.objects_in(self.database).update()
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