infi.clickhouse_orm/tests/test_engines.py
2017-04-04 15:21:08 +03:00

65 lines
2.2 KiB
Python

import unittest
from infi.clickhouse_orm.database import Database, DatabaseException
from infi.clickhouse_orm.models import Model
from infi.clickhouse_orm.fields import *
from infi.clickhouse_orm.engines import *
import logging
logging.getLogger("requests").setLevel(logging.WARNING)
class EnginesTestCase(unittest.TestCase):
def setUp(self):
self.database = Database('test-db')
def tearDown(self):
self.database.drop_database()
def _create_and_insert(self, model_class):
self.database.create_table(model_class)
self.database.insert([
model_class(date='2017-01-01', event_id=23423, event_group=13, event_count=7, event_version=1)
])
def test_merge_tree(self):
class TestModel(SampleModel):
engine = MergeTree('date', ('date', 'event_id', 'event_group'))
self._create_and_insert(TestModel)
def test_merge_tree_with_sampling(self):
class TestModel(SampleModel):
engine = MergeTree('date', ('date', 'event_id', 'event_group'), sampling_expr='intHash32(event_id)')
self._create_and_insert(TestModel)
def test_merge_tree_with_granularity(self):
class TestModel(SampleModel):
engine = MergeTree('date', ('date', 'event_id', 'event_group'), index_granularity=4096)
self._create_and_insert(TestModel)
def test_collapsing_merge_tree(self):
class TestModel(SampleModel):
engine = CollapsingMergeTree('date', ('date', 'event_id', 'event_group'), 'event_version')
self._create_and_insert(TestModel)
def test_summing_merge_tree(self):
class TestModel(SampleModel):
engine = SummingMergeTree('date', ('date', 'event_group'), ('event_count',))
self._create_and_insert(TestModel)
def test_replacing_merge_tree(self):
class TestModel(SampleModel):
engine = ReplacingMergeTree('date', ('date', 'event_id', 'event_group'), 'event_uversion')
self._create_and_insert(TestModel)
class SampleModel(Model):
date = DateField()
event_id = UInt32Field()
event_group = UInt32Field()
event_count = UInt16Field()
event_version = Int8Field()
event_uversion = UInt8Field(materialized='abs(event_version)')