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https://github.com/ClickHouse/ClickHouse.git
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431 lines
20 KiB
Python
431 lines
20 KiB
Python
import logging
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import pytest
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from multiprocessing.dummy import Pool
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/named_collections.xml'], with_postgres=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/named_collections.xml'], with_postgres_cluster=True)
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def test_postgres_select_insert(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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table_name = 'test_many'
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table = f'''postgresql('{started_cluster.postgres_ip}:{started_cluster.postgres_port}', 'postgres', '{table_name}', 'postgres', 'mysecretpassword')'''
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cursor.execute(f'DROP TABLE IF EXISTS {table_name}')
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cursor.execute(f'CREATE TABLE {table_name} (a integer, b text, c integer)')
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result = node1.query(f'''
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INSERT INTO TABLE FUNCTION {table}
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SELECT number, concat('name_', toString(number)), 3 from numbers(10000)''')
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check1 = f"SELECT count() FROM {table}"
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check2 = f"SELECT Sum(c) FROM {table}"
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check3 = f"SELECT count(c) FROM {table} WHERE a % 2 == 0"
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check4 = f"SELECT count() FROM {table} WHERE b LIKE concat('name_', toString(1))"
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assert (node1.query(check1)).rstrip() == '10000'
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assert (node1.query(check2)).rstrip() == '30000'
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assert (node1.query(check3)).rstrip() == '5000'
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assert (node1.query(check4)).rstrip() == '1'
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# Triggers issue https://github.com/ClickHouse/ClickHouse/issues/26088
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# for i in range(1, 1000):
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# assert (node1.query(check1)).rstrip() == '10000', f"Failed on {i}"
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cursor.execute(f'DROP TABLE {table_name} ')
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def test_postgres_conversions(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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cursor.execute(f'DROP TABLE IF EXISTS test_types')
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cursor.execute(f'DROP TABLE IF EXISTS test_array_dimensions')
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cursor.execute(
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'''CREATE TABLE test_types (
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a smallint, b integer, c bigint, d real, e double precision, f serial, g bigserial,
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h timestamp, i date, j decimal(5, 3), k numeric, l boolean)''')
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node1.query('''
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INSERT INTO TABLE FUNCTION postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword') VALUES
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(-32768, -2147483648, -9223372036854775808, 1.12345, 1.1234567890, 2147483647, 9223372036854775807, '2000-05-12 12:12:12.012345', '2000-05-12', 22.222, 22.222, 1)''')
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result = node1.query('''
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SELECT a, b, c, d, e, f, g, h, i, j, toDecimal128(k, 3), l FROM postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword')''')
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assert(result == '-32768\t-2147483648\t-9223372036854775808\t1.12345\t1.123456789\t2147483647\t9223372036854775807\t2000-05-12 12:12:12.012345\t2000-05-12\t22.222\t22.222\t1\n')
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cursor.execute("INSERT INTO test_types (l) VALUES (TRUE), (true), ('yes'), ('y'), ('1');")
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cursor.execute("INSERT INTO test_types (l) VALUES (FALSE), (false), ('no'), ('off'), ('0');")
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expected = "1\n1\n1\n1\n1\n1\n0\n0\n0\n0\n0\n"
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result = node1.query('''SELECT l FROM postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword')''')
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assert(result == expected)
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cursor.execute(
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'''CREATE TABLE IF NOT EXISTS test_array_dimensions
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(
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a Date[] NOT NULL, -- Date
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b Timestamp[] NOT NULL, -- DateTime64(6)
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c real[][] NOT NULL, -- Float32
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d double precision[][] NOT NULL, -- Float64
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e decimal(5, 5)[][][] NOT NULL, -- Decimal32
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f integer[][][] NOT NULL, -- Int32
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g Text[][][][][] NOT NULL, -- String
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h Integer[][][], -- Nullable(Int32)
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i Char(2)[][][][], -- Nullable(String)
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k Char(2)[] -- Nullable(String)
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)''')
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result = node1.query('''
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DESCRIBE TABLE postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword')''')
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expected = ('a\tArray(Date)\t\t\t\t\t\n' +
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'b\tArray(DateTime64(6))\t\t\t\t\t\n' +
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'c\tArray(Array(Float32))\t\t\t\t\t\n' +
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'd\tArray(Array(Float64))\t\t\t\t\t\n' +
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'e\tArray(Array(Array(Decimal(5, 5))))\t\t\t\t\t\n' +
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'f\tArray(Array(Array(Int32)))\t\t\t\t\t\n' +
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'g\tArray(Array(Array(Array(Array(String)))))\t\t\t\t\t\n' +
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'h\tArray(Array(Array(Nullable(Int32))))\t\t\t\t\t\n' +
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'i\tArray(Array(Array(Array(Nullable(String)))))\t\t\t\t\t\n' +
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'k\tArray(Nullable(String))'
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)
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assert(result.rstrip() == expected)
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node1.query("INSERT INTO TABLE FUNCTION postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword') "
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"VALUES ("
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"['2000-05-12', '2000-05-12'], "
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"['2000-05-12 12:12:12.012345', '2000-05-12 12:12:12.012345'], "
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"[[1.12345], [1.12345], [1.12345]], "
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"[[1.1234567891], [1.1234567891], [1.1234567891]], "
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"[[[0.11111, 0.11111]], [[0.22222, 0.22222]], [[0.33333, 0.33333]]], "
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"[[[1, 1], [1, 1]], [[3, 3], [3, 3]], [[4, 4], [5, 5]]], "
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"[[[[['winx', 'winx', 'winx']]]]], "
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"[[[1, NULL], [NULL, 1]], [[NULL, NULL], [NULL, NULL]], [[4, 4], [5, 5]]], "
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"[[[[NULL]]]], "
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"[]"
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")")
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result = node1.query('''
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SELECT * FROM postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword')''')
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expected = (
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"['2000-05-12','2000-05-12']\t" +
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"['2000-05-12 12:12:12.012345','2000-05-12 12:12:12.012345']\t" +
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"[[1.12345],[1.12345],[1.12345]]\t" +
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"[[1.1234567891],[1.1234567891],[1.1234567891]]\t" +
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"[[[0.11111,0.11111]],[[0.22222,0.22222]],[[0.33333,0.33333]]]\t"
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"[[[1,1],[1,1]],[[3,3],[3,3]],[[4,4],[5,5]]]\t"
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"[[[[['winx','winx','winx']]]]]\t"
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"[[[1,NULL],[NULL,1]],[[NULL,NULL],[NULL,NULL]],[[4,4],[5,5]]]\t"
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"[[[[NULL]]]]\t"
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"[]\n"
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)
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assert(result == expected)
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cursor.execute(f'DROP TABLE test_types')
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cursor.execute(f'DROP TABLE test_array_dimensions')
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def test_non_default_scema(started_cluster):
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node1.query('DROP TABLE IF EXISTS test_pg_table_schema')
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node1.query('DROP TABLE IF EXISTS test_pg_table_schema_with_dots')
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cursor = started_cluster.postgres_conn.cursor()
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cursor.execute('DROP SCHEMA IF EXISTS test_schema CASCADE')
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cursor.execute('DROP SCHEMA IF EXISTS "test.nice.schema" CASCADE')
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cursor.execute('CREATE SCHEMA test_schema')
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cursor.execute('CREATE TABLE test_schema.test_table (a integer)')
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cursor.execute('INSERT INTO test_schema.test_table SELECT i FROM generate_series(0, 99) as t(i)')
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node1.query('''
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CREATE TABLE test_pg_table_schema (a UInt32)
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ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_table', 'postgres', 'mysecretpassword', 'test_schema');
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''')
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result = node1.query('SELECT * FROM test_pg_table_schema')
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expected = node1.query('SELECT number FROM numbers(100)')
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assert(result == expected)
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table_function = '''postgresql('postgres1:5432', 'postgres', 'test_table', 'postgres', 'mysecretpassword', 'test_schema')'''
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result = node1.query(f'SELECT * FROM {table_function}')
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assert(result == expected)
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cursor.execute('''CREATE SCHEMA "test.nice.schema"''')
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cursor.execute('''CREATE TABLE "test.nice.schema"."test.nice.table" (a integer)''')
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cursor.execute('INSERT INTO "test.nice.schema"."test.nice.table" SELECT i FROM generate_series(0, 99) as t(i)')
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node1.query('''
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CREATE TABLE test_pg_table_schema_with_dots (a UInt32)
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ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test.nice.table', 'postgres', 'mysecretpassword', 'test.nice.schema');
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''')
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result = node1.query('SELECT * FROM test_pg_table_schema_with_dots')
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assert(result == expected)
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cursor.execute('INSERT INTO "test_schema"."test_table" SELECT i FROM generate_series(100, 199) as t(i)')
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result = node1.query(f'SELECT * FROM {table_function}')
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expected = node1.query('SELECT number FROM numbers(200)')
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assert(result == expected)
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cursor.execute('DROP SCHEMA test_schema CASCADE')
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cursor.execute('DROP SCHEMA "test.nice.schema" CASCADE')
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node1.query('DROP TABLE test_pg_table_schema')
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node1.query('DROP TABLE test_pg_table_schema_with_dots')
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def test_concurrent_queries(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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node1.query('''
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CREATE TABLE test_table (key UInt32, value UInt32)
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ENGINE = PostgreSQL('postgres1:5432', 'postgres', 'test_table', 'postgres', 'mysecretpassword')''')
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cursor.execute('CREATE TABLE test_table (key integer, value integer)')
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prev_count = node1.count_in_log('New connection to postgres1:5432')
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def node_select(_):
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for i in range(20):
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result = node1.query("SELECT * FROM test_table", user='default')
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busy_pool = Pool(20)
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p = busy_pool.map_async(node_select, range(20))
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p.wait()
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count = node1.count_in_log('New connection to postgres1:5432')
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logging.debug(f'count {count}, prev_count {prev_count}')
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# 16 is default size for connection pool
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assert(int(count) <= int(prev_count) + 16)
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def node_insert(_):
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for i in range(5):
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result = node1.query("INSERT INTO test_table SELECT number, number FROM numbers(1000)", user='default')
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busy_pool = Pool(5)
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p = busy_pool.map_async(node_insert, range(5))
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p.wait()
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result = node1.query("SELECT count() FROM test_table", user='default')
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logging.debug(result)
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assert(int(result) == 5 * 5 * 1000)
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def node_insert_select(_):
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for i in range(5):
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result = node1.query("INSERT INTO test_table SELECT number, number FROM numbers(1000)", user='default')
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result = node1.query("SELECT * FROM test_table LIMIT 100", user='default')
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busy_pool = Pool(5)
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p = busy_pool.map_async(node_insert_select, range(5))
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p.wait()
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result = node1.query("SELECT count() FROM test_table", user='default')
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logging.debug(result)
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assert(int(result) == 5 * 5 * 1000 * 2)
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node1.query('DROP TABLE test_table;')
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cursor.execute('DROP TABLE test_table;')
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count = node1.count_in_log('New connection to postgres1:5432')
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logging.debug(f'count {count}, prev_count {prev_count}')
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assert(int(count) <= int(prev_count) + 16)
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def test_postgres_distributed(started_cluster):
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cursor0 = started_cluster.postgres_conn.cursor()
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cursor1 = started_cluster.postgres2_conn.cursor()
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cursor2 = started_cluster.postgres3_conn.cursor()
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cursor3 = started_cluster.postgres4_conn.cursor()
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cursors = [cursor0, cursor1, cursor2, cursor3]
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for i in range(4):
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cursors[i].execute('DROP TABLE IF EXISTS test_replicas')
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cursors[i].execute('CREATE TABLE test_replicas (id Integer, name Text)')
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cursors[i].execute(f"""INSERT INTO test_replicas select i, 'host{i+1}' from generate_series(0, 99) as t(i);""");
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# test multiple ports parsing
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result = node2.query('''SELECT DISTINCT(name) FROM postgresql('postgres{1|2|3}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); ''')
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assert(result == 'host1\n' or result == 'host2\n' or result == 'host3\n')
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result = node2.query('''SELECT DISTINCT(name) FROM postgresql('postgres2:5431|postgres3:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); ''')
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assert(result == 'host3\n' or result == 'host2\n')
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# Create storage with with 3 replicas
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node2.query('DROP TABLE IF EXISTS test_replicas')
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node2.query('''
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CREATE TABLE test_replicas
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(id UInt32, name String)
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ENGINE = PostgreSQL('postgres{2|3|4}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); ''')
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# Check all replicas are traversed
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query = "SELECT name FROM ("
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for i in range (3):
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query += "SELECT name FROM test_replicas UNION DISTINCT "
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query += "SELECT name FROM test_replicas) ORDER BY name"
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result = node2.query(query)
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assert(result == 'host2\nhost3\nhost4\n')
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# Create storage with with two two shards, each has 2 replicas
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node2.query('DROP TABLE IF EXISTS test_shards')
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node2.query('''
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CREATE TABLE test_shards
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(id UInt32, name String, age UInt32, money UInt32)
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ENGINE = ExternalDistributed('PostgreSQL', 'postgres{1|2}:5432,postgres{3|4}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); ''')
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# Check only one replica in each shard is used
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result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
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assert(result == 'host1\nhost3\n')
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node2.query('''
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CREATE TABLE test_shards2
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(id UInt32, name String, age UInt32, money UInt32)
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ENGINE = ExternalDistributed('PostgreSQL', postgres4, description='postgres{1|2}:5432,postgres{3|4}:5432'); ''')
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result = node2.query("SELECT DISTINCT(name) FROM test_shards2 ORDER BY name")
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assert(result == 'host1\nhost3\n')
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# Check all replicas are traversed
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query = "SELECT name FROM ("
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for i in range (3):
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query += "SELECT name FROM test_shards UNION DISTINCT "
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query += "SELECT name FROM test_shards) ORDER BY name"
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result = node2.query(query)
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assert(result == 'host1\nhost2\nhost3\nhost4\n')
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# Disconnect postgres1
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started_cluster.pause_container('postgres1')
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result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
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started_cluster.unpause_container('postgres1')
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assert(result == 'host2\nhost4\n' or result == 'host3\nhost4\n')
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node2.query('DROP TABLE test_shards')
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node2.query('DROP TABLE test_replicas')
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def test_datetime_with_timezone(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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cursor.execute("DROP TABLE IF EXISTS test_timezone")
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node1.query("DROP TABLE IF EXISTS test_timezone")
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cursor.execute("CREATE TABLE test_timezone (ts timestamp without time zone, ts_z timestamp with time zone)")
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cursor.execute("insert into test_timezone select '2014-04-04 20:00:00', '2014-04-04 20:00:00'::timestamptz at time zone 'America/New_York';")
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cursor.execute("select * from test_timezone")
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result = cursor.fetchall()[0]
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logging.debug(f'{result[0]}, {str(result[1])[:-6]}')
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node1.query("create table test_timezone ( ts DateTime, ts_z DateTime('America/New_York')) ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_timezone', 'postgres', 'mysecretpassword');")
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assert(node1.query("select ts from test_timezone").strip() == str(result[0]))
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# [:-6] because 2014-04-04 16:00:00+00:00 -> 2014-04-04 16:00:00
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assert(node1.query("select ts_z from test_timezone").strip() == str(result[1])[:-6])
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assert(node1.query("select * from test_timezone") == "2014-04-04 20:00:00\t2014-04-04 16:00:00\n")
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cursor.execute("DROP TABLE test_timezone")
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node1.query("DROP TABLE test_timezone")
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def test_postgres_ndim(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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cursor.execute("DROP TABLE IF EXISTS arr1, arr2")
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cursor.execute('CREATE TABLE arr1 (a Integer[])')
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cursor.execute("INSERT INTO arr1 SELECT '{{1}, {2}}'")
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# The point is in creating a table via 'as select *', in postgres att_ndim will not be correct in this case.
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cursor.execute('CREATE TABLE arr2 AS SELECT * FROM arr1')
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cursor.execute("SELECT attndims AS dims FROM pg_attribute WHERE attrelid = 'arr2'::regclass; ")
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result = cursor.fetchall()[0]
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assert(int(result[0]) == 0)
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result = node1.query('''SELECT toTypeName(a) FROM postgresql('postgres1:5432', 'postgres', 'arr2', 'postgres', 'mysecretpassword')''')
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assert(result.strip() == "Array(Array(Nullable(Int32)))")
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cursor.execute("DROP TABLE arr1, arr2")
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def test_postgres_on_conflict(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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table = 'test_conflict'
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cursor.execute(f'DROP TABLE IF EXISTS {table}')
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cursor.execute(f'CREATE TABLE {table} (a integer PRIMARY KEY, b text, c integer)')
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node1.query('''
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CREATE TABLE test_conflict (a UInt32, b String, c Int32)
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ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_conflict', 'postgres', 'mysecretpassword', '', 'ON CONFLICT DO NOTHING');
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''')
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node1.query(f''' INSERT INTO {table} SELECT number, concat('name_', toString(number)), 3 from numbers(100)''')
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node1.query(f''' INSERT INTO {table} SELECT number, concat('name_', toString(number)), 4 from numbers(100)''')
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check1 = f"SELECT count() FROM {table}"
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assert (node1.query(check1)).rstrip() == '100'
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table_func = f'''postgresql('{started_cluster.postgres_ip}:{started_cluster.postgres_port}', 'postgres', '{table}', 'postgres', 'mysecretpassword', '', 'ON CONFLICT DO NOTHING')'''
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node1.query(f'''INSERT INTO TABLE FUNCTION {table_func} SELECT number, concat('name_', toString(number)), 3 from numbers(100)''')
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node1.query(f'''INSERT INTO TABLE FUNCTION {table_func} SELECT number, concat('name_', toString(number)), 3 from numbers(100)''')
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check1 = f"SELECT count() FROM {table}"
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assert (node1.query(check1)).rstrip() == '100'
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cursor.execute(f'DROP TABLE {table} ')
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def test_predefined_connection_configuration(started_cluster):
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cursor = started_cluster.postgres_conn.cursor()
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cursor.execute(f'DROP TABLE IF EXISTS test_table')
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cursor.execute(f'CREATE TABLE test_table (a integer PRIMARY KEY, b integer)')
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|
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node1.query('''
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DROP TABLE IF EXISTS test_table;
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CREATE TABLE test_table (a UInt32, b Int32)
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ENGINE PostgreSQL(postgres1);
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''')
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node1.query(f''' INSERT INTO test_table SELECT number, number from numbers(100)''')
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assert (node1.query(f"SELECT count() FROM test_table").rstrip() == '100')
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|
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node1.query('''
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|
DROP TABLE test_table;
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|
CREATE TABLE test_table (a UInt32, b Int32)
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ENGINE PostgreSQL(postgres1, on_conflict='ON CONFLICT DO NOTHING');
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''')
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node1.query(f''' INSERT INTO test_table SELECT number, number from numbers(100)''')
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node1.query(f''' INSERT INTO test_table SELECT number, number from numbers(100)''')
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assert (node1.query(f"SELECT count() FROM test_table").rstrip() == '100')
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|
|
|
node1.query('DROP TABLE test_table;')
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|
node1.query_and_get_error('''
|
|
CREATE TABLE test_table (a UInt32, b Int32)
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|
ENGINE PostgreSQL(postgres1, 'ON CONFLICT DO NOTHING');
|
|
''')
|
|
node1.query_and_get_error('''
|
|
CREATE TABLE test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres2);
|
|
''')
|
|
node1.query_and_get_error('''
|
|
CREATE TABLE test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(unknown_collection);
|
|
''')
|
|
|
|
node1.query('''
|
|
CREATE TABLE test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres1, port=5432, database='postgres', table='test_table');
|
|
''')
|
|
assert (node1.query(f"SELECT count() FROM test_table").rstrip() == '100')
|
|
|
|
node1.query('''
|
|
DROP TABLE test_table;
|
|
CREATE TABLE test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres3, port=5432);
|
|
''')
|
|
assert (node1.query(f"SELECT count() FROM test_table").rstrip() == '100')
|
|
|
|
assert (node1.query(f"SELECT count() FROM postgresql(postgres1)").rstrip() == '100')
|
|
node1.query("INSERT INTO TABLE FUNCTION postgresql(postgres1, on_conflict='ON CONFLICT DO NOTHING') SELECT number, number from numbers(100)")
|
|
assert (node1.query(f"SELECT count() FROM postgresql(postgres1)").rstrip() == '100')
|
|
|
|
cursor.execute('DROP SCHEMA IF EXISTS test_schema CASCADE')
|
|
cursor.execute('CREATE SCHEMA test_schema')
|
|
cursor.execute('CREATE TABLE test_schema.test_table (a integer)')
|
|
node1.query("INSERT INTO TABLE FUNCTION postgresql(postgres1, schema='test_schema', on_conflict='ON CONFLICT DO NOTHING') SELECT number from numbers(200)")
|
|
assert (node1.query(f"SELECT count() FROM postgresql(postgres1, schema='test_schema')").rstrip() == '200')
|
|
|
|
cursor.execute('DROP SCHEMA test_schema CASCADE')
|
|
cursor.execute(f'DROP TABLE test_table ')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
cluster.start()
|
|
input("Cluster created, press any key to destroy...")
|
|
cluster.shutdown()
|