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43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
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import unittest
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import json
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from infi.clickhouse_orm import database, engines, fields, models
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class JoinTest(unittest.TestCase):
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def setUp(self):
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self.database = database.Database('test-db', log_statements=True)
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self.database.create_table(Foo)
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self.database.create_table(Bar)
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self.database.insert([Foo(id=i) for i in range(3)])
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self.database.insert([Bar(id=i, b=i * i) for i in range(3)])
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def print_res(self, query):
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print(query)
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print(json.dumps([row.to_dict() for row in self.database.select(query)]))
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def test_without_db_name(self):
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self.print_res("SELECT * FROM {}".format(Foo.table_name()))
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self.print_res("SELECT * FROM {}".format(Bar.table_name()))
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self.print_res("SELECT b FROM {} ALL LEFT JOIN {} USING id".format(Foo.table_name(), Bar.table_name()))
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def test_with_db_name(self):
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self.print_res("SELECT * FROM $db.{}".format(Foo.table_name()))
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self.print_res("SELECT * FROM $db.{}".format(Bar.table_name()))
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self.print_res("SELECT b FROM $db.{} ALL LEFT JOIN $db.{} USING id".format(Foo.table_name(), Bar.table_name()))
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def test_with_subquery(self):
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self.print_res("SELECT b FROM {} ALL LEFT JOIN (SELECT * from {}) subquery USING id".format(Foo.table_name(), Bar.table_name()))
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self.print_res("SELECT b FROM $db.{} ALL LEFT JOIN (SELECT * from $db.{}) subquery USING id".format(Foo.table_name(), Bar.table_name()))
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class Foo(models.Model):
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id = fields.UInt8Field()
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engine = engines.Memory()
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class Bar(Foo):
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b = fields.UInt8Field()
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