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https://github.com/ClickHouse/ClickHouse.git
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700 lines
26 KiB
Python
700 lines
26 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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from helpers.postgres_utility import get_postgres_conn
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1", main_configs=["configs/named_collections.xml"], with_postgres=True
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)
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node2 = cluster.add_instance(
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"node2",
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main_configs=["configs/named_collections.xml"],
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user_configs=["configs/settings.xml"],
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with_postgres_cluster=True,
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)
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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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node1.query("CREATE DATABASE test")
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node2.query("CREATE DATABASE test")
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.fixture(autouse=True)
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def setup_teardown():
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print("PostgreSQL is available - running test")
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yield # run test
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node1.query("DROP DATABASE test")
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node1.query("CREATE DATABASE test")
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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(
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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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)
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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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)
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node1.query(
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"""
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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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)
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result = node1.query(
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"""
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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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)
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assert (
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result
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== "-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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)
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cursor.execute(
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"INSERT INTO test_types (l) VALUES (TRUE), (true), ('yes'), ('y'), ('1');"
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)
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cursor.execute(
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"INSERT INTO test_types (l) VALUES (FALSE), (false), ('no'), ('off'), ('0');"
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)
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expected = "1\n1\n1\n1\n1\n1\n0\n0\n0\n0\n0\n"
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result = node1.query(
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"""SELECT l FROM postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword')"""
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)
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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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)
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result = node1.query(
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"""
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DESCRIBE TABLE postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword')"""
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)
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expected = (
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"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(
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"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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)
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result = node1.query(
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"""
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SELECT * FROM postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword')"""
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)
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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(
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"INSERT INTO test_schema.test_table SELECT i FROM generate_series(0, 99) as t(i)"
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)
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node1.query(
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"""
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CREATE TABLE test.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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)
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result = node1.query("SELECT * FROM test.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(
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'INSERT INTO "test.nice.schema"."test.nice.table" SELECT i FROM generate_series(0, 99) as t(i)'
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)
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node1.query(
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"""
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CREATE TABLE test.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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)
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result = node1.query("SELECT * FROM test.test_pg_table_schema_with_dots")
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assert result == expected
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cursor.execute(
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'INSERT INTO "test_schema"."test_table" SELECT i FROM generate_series(100, 199) as t(i)'
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)
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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.test_pg_table_schema")
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node1.query("DROP TABLE test.test_pg_table_schema_with_dots")
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def test_concurrent_queries(started_cluster):
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conn = get_postgres_conn(
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started_cluster.postgres_ip, started_cluster.postgres_port, database=False
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)
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cursor = conn.cursor()
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database_name = "concurrent_test"
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cursor.execute(f"DROP DATABASE IF EXISTS {database_name}")
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cursor.execute(f"CREATE DATABASE {database_name}")
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conn = get_postgres_conn(
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started_cluster.postgres_ip,
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started_cluster.postgres_port,
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database=True,
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database_name=database_name,
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)
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cursor = conn.cursor()
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cursor.execute("CREATE TABLE test_table (key integer, value integer)")
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node1.query(
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f"""
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CREATE TABLE test.test_table (key UInt32, value UInt32)
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ENGINE = PostgreSQL(postgres1, database='{database_name}', table='test_table')
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"""
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)
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node1.query(
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f"""
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CREATE TABLE test.stat (numbackends UInt32, datname String)
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ENGINE = PostgreSQL(postgres1, database='{database_name}', table='pg_stat_database')
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"""
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)
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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.test_table", user="default")
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def node_insert(_):
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for i in range(20):
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result = node1.query(
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"INSERT INTO test.test_table SELECT number, number FROM numbers(1000)",
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user="default",
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)
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def node_insert_select(_):
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for i in range(20):
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result = node1.query(
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"INSERT INTO test.test_table SELECT number, number FROM numbers(1000)",
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user="default",
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)
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result = node1.query(
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"SELECT * FROM test.test_table LIMIT 100", user="default"
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)
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busy_pool = Pool(30)
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p = busy_pool.map_async(node_select, range(30))
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p.wait()
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count = int(
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node1.query(
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f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
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)
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)
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print(count)
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assert count <= 18
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busy_pool = Pool(30)
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p = busy_pool.map_async(node_insert, range(30))
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p.wait()
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count = int(
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node1.query(
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f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
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)
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)
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print(count)
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assert count <= 18
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busy_pool = Pool(30)
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p = busy_pool.map_async(node_insert_select, range(30))
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p.wait()
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count = int(
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node1.query(
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f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
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)
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)
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print(count)
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assert count <= 18
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node1.query("DROP TABLE test.test_table;")
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node1.query("DROP TABLE test.stat;")
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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(
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f"""INSERT INTO test_replicas select i, 'host{i+1}' from generate_series(0, 99) as t(i);"""
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)
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# test multiple ports parsing
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result = node2.query(
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"""SELECT DISTINCT(name) FROM postgresql('postgres{1|2|3}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); """
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)
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assert result == "host1\n" or result == "host2\n" or result == "host3\n"
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result = node2.query(
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"""SELECT DISTINCT(name) FROM postgresql('postgres2:5431|postgres3:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); """
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)
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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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"""
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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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)
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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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"""
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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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)
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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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"""
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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, addresses_expr='postgres{1|2}:5432,postgres{3|4}:5432'); """
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)
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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.test_timezone")
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cursor.execute(
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"CREATE TABLE test_timezone (ts timestamp without time zone, ts_z timestamp with time zone)"
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)
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cursor.execute(
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"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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)
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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(
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"create table test.test_timezone ( ts DateTime, ts_z DateTime('America/New_York')) ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_timezone', 'postgres', 'mysecretpassword');"
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)
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assert node1.query("select ts from test.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 (
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node1.query("select ts_z from test.test_timezone").strip()
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== str(result[1])[:-6]
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)
|
|
assert (
|
|
node1.query("select * from test.test_timezone")
|
|
== "2014-04-04 20:00:00\t2014-04-04 16:00:00\n"
|
|
)
|
|
cursor.execute("DROP TABLE test_timezone")
|
|
node1.query("DROP TABLE test.test_timezone")
|
|
|
|
|
|
def test_postgres_ndim(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
|
|
cursor.execute("DROP TABLE IF EXISTS arr1, arr2")
|
|
|
|
cursor.execute("CREATE TABLE arr1 (a Integer[])")
|
|
cursor.execute("INSERT INTO arr1 SELECT '{{1}, {2}}'")
|
|
|
|
# The point is in creating a table via 'as select *', in postgres att_ndim will not be correct in this case.
|
|
cursor.execute("CREATE TABLE arr2 AS SELECT * FROM arr1")
|
|
cursor.execute(
|
|
"SELECT attndims AS dims FROM pg_attribute WHERE attrelid = 'arr2'::regclass; "
|
|
)
|
|
result = cursor.fetchall()[0]
|
|
assert int(result[0]) == 0
|
|
|
|
result = node1.query(
|
|
"""SELECT toTypeName(a) FROM postgresql('postgres1:5432', 'postgres', 'arr2', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
assert result.strip() == "Array(Array(Nullable(Int32)))"
|
|
cursor.execute("DROP TABLE arr1, arr2")
|
|
|
|
cursor.execute("DROP SCHEMA IF EXISTS ndim_schema CASCADE")
|
|
cursor.execute("CREATE SCHEMA ndim_schema")
|
|
cursor.execute("CREATE TABLE ndim_schema.arr1 (a integer[])")
|
|
cursor.execute("INSERT INTO ndim_schema.arr1 SELECT '{{1}, {2}}'")
|
|
# The point is in creating a table via 'as select *', in postgres att_ndim will not be correct in this case.
|
|
cursor.execute("CREATE TABLE ndim_schema.arr2 AS SELECT * FROM ndim_schema.arr1")
|
|
result = node1.query(
|
|
"""SELECT toTypeName(a) FROM postgresql(postgres1, schema='ndim_schema', table='arr2')"""
|
|
)
|
|
assert result.strip() == "Array(Array(Nullable(Int32)))"
|
|
|
|
cursor.execute("DROP TABLE ndim_schema.arr1, ndim_schema.arr2")
|
|
cursor.execute("DROP SCHEMA ndim_schema CASCADE")
|
|
|
|
|
|
def test_postgres_on_conflict(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
table = "test_conflict"
|
|
cursor.execute(f"DROP TABLE IF EXISTS {table}")
|
|
cursor.execute(f"CREATE TABLE {table} (a integer PRIMARY KEY, b text, c integer)")
|
|
|
|
node1.query(
|
|
"""
|
|
CREATE TABLE test.test_conflict (a UInt32, b String, c Int32)
|
|
ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_conflict', 'postgres', 'mysecretpassword', '', 'ON CONFLICT DO NOTHING');
|
|
"""
|
|
)
|
|
node1.query(
|
|
f""" INSERT INTO test.{table} SELECT number, concat('name_', toString(number)), 3 from numbers(100)"""
|
|
)
|
|
node1.query(
|
|
f""" INSERT INTO test.{table} SELECT number, concat('name_', toString(number)), 4 from numbers(100)"""
|
|
)
|
|
|
|
check1 = f"SELECT count() FROM test.{table}"
|
|
assert (node1.query(check1)).rstrip() == "100"
|
|
|
|
table_func = f"""postgresql('{started_cluster.postgres_ip}:{started_cluster.postgres_port}', 'postgres', '{table}', 'postgres', 'mysecretpassword', '', 'ON CONFLICT DO NOTHING')"""
|
|
node1.query(
|
|
f"""INSERT INTO TABLE FUNCTION {table_func} SELECT number, concat('name_', toString(number)), 3 from numbers(100)"""
|
|
)
|
|
node1.query(
|
|
f"""INSERT INTO TABLE FUNCTION {table_func} SELECT number, concat('name_', toString(number)), 3 from numbers(100)"""
|
|
)
|
|
|
|
check1 = f"SELECT count() FROM test.{table}"
|
|
assert (node1.query(check1)).rstrip() == "100"
|
|
|
|
cursor.execute(f"DROP TABLE {table} ")
|
|
|
|
|
|
def test_predefined_connection_configuration(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute(f"DROP TABLE IF EXISTS test_table")
|
|
cursor.execute(f"CREATE TABLE test_table (a integer PRIMARY KEY, b integer)")
|
|
|
|
node1.query(
|
|
"""
|
|
DROP TABLE IF EXISTS test.test_table;
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres1);
|
|
"""
|
|
)
|
|
node1.query(
|
|
f""" INSERT INTO test.test_table SELECT number, number from numbers(100)"""
|
|
)
|
|
assert node1.query(f"SELECT count() FROM test.test_table").rstrip() == "100"
|
|
|
|
node1.query(
|
|
"""
|
|
DROP TABLE test.test_table;
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres1, on_conflict='ON CONFLICT DO NOTHING');
|
|
"""
|
|
)
|
|
node1.query(
|
|
f""" INSERT INTO test.test_table SELECT number, number from numbers(100)"""
|
|
)
|
|
node1.query(
|
|
f""" INSERT INTO test.test_table SELECT number, number from numbers(100)"""
|
|
)
|
|
assert node1.query(f"SELECT count() FROM test.test_table").rstrip() == "100"
|
|
|
|
node1.query("DROP TABLE test.test_table;")
|
|
node1.query_and_get_error(
|
|
"""
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres1, 'ON CONFLICT DO NOTHING');
|
|
"""
|
|
)
|
|
node1.query_and_get_error(
|
|
"""
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres2);
|
|
"""
|
|
)
|
|
node1.query_and_get_error(
|
|
"""
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(unknown_collection);
|
|
"""
|
|
)
|
|
|
|
node1.query(
|
|
"""
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres1, port=5432, database='postgres', table='test_table');
|
|
"""
|
|
)
|
|
assert node1.query(f"SELECT count() FROM test.test_table").rstrip() == "100"
|
|
|
|
node1.query(
|
|
"""
|
|
DROP TABLE test.test_table;
|
|
CREATE TABLE test.test_table (a UInt32, b Int32)
|
|
ENGINE PostgreSQL(postgres3, port=5432);
|
|
"""
|
|
)
|
|
assert node1.query(f"SELECT count() FROM test.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 ")
|
|
|
|
|
|
def test_where_false(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute("DROP TABLE IF EXISTS test")
|
|
cursor.execute("CREATE TABLE test (a Integer)")
|
|
cursor.execute("INSERT INTO test SELECT 1")
|
|
|
|
result = node1.query(
|
|
"SELECT count() FROM postgresql('postgres1:5432', 'postgres', 'test', 'postgres', 'mysecretpassword') WHERE 1=0"
|
|
)
|
|
assert int(result) == 0
|
|
result = node1.query(
|
|
"SELECT count() FROM postgresql('postgres1:5432', 'postgres', 'test', 'postgres', 'mysecretpassword') WHERE 0"
|
|
)
|
|
assert int(result) == 0
|
|
result = node1.query(
|
|
"SELECT count() FROM postgresql('postgres1:5432', 'postgres', 'test', 'postgres', 'mysecretpassword') WHERE 1=1"
|
|
)
|
|
assert int(result) == 1
|
|
cursor.execute("DROP TABLE test")
|
|
|
|
|
|
def test_datetime64(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute("drop table if exists test")
|
|
cursor.execute("create table test (ts timestamp)")
|
|
cursor.execute("insert into test select '1960-01-01 20:00:00';")
|
|
|
|
result = node1.query("select * from postgresql(postgres1, table='test')")
|
|
assert result.strip() == "1960-01-01 20:00:00.000000"
|
|
|
|
|
|
def test_uuid(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute("drop table if exists test")
|
|
cursor.execute("create table test (u uuid)")
|
|
cursor.execute("""CREATE EXTENSION IF NOT EXISTS "uuid-ossp";""")
|
|
cursor.execute("insert into test select uuid_generate_v1();")
|
|
|
|
result = node1.query(
|
|
"select toTypeName(u) from postgresql(postgres1, table='test')"
|
|
)
|
|
assert result.strip() == "Nullable(UUID)"
|
|
|
|
|
|
def test_auto_close_connection(started_cluster):
|
|
conn = get_postgres_conn(
|
|
started_cluster.postgres_ip, started_cluster.postgres_port, database=False
|
|
)
|
|
cursor = conn.cursor()
|
|
database_name = "auto_close_connection_test"
|
|
|
|
cursor.execute(f"DROP DATABASE IF EXISTS {database_name}")
|
|
cursor.execute(f"CREATE DATABASE {database_name}")
|
|
conn = get_postgres_conn(
|
|
started_cluster.postgres_ip,
|
|
started_cluster.postgres_port,
|
|
database=True,
|
|
database_name=database_name,
|
|
)
|
|
cursor = conn.cursor()
|
|
cursor.execute("CREATE TABLE test_table (key integer, value integer)")
|
|
|
|
node2.query(
|
|
f"""
|
|
CREATE TABLE test.test_table (key UInt32, value UInt32)
|
|
ENGINE = PostgreSQL(postgres1, database='{database_name}', table='test_table')
|
|
"""
|
|
)
|
|
|
|
result = node2.query(
|
|
"INSERT INTO test.test_table SELECT number, number FROM numbers(1000)",
|
|
user="default",
|
|
)
|
|
|
|
result = node2.query("SELECT * FROM test.test_table LIMIT 100", user="default")
|
|
|
|
node2.query(
|
|
f"""
|
|
CREATE TABLE test.stat (numbackends UInt32, datname String)
|
|
ENGINE = PostgreSQL(postgres1, database='{database_name}', table='pg_stat_database')
|
|
"""
|
|
)
|
|
|
|
count = int(
|
|
node2.query(
|
|
f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
|
|
)
|
|
)
|
|
|
|
# Connection from python + pg_stat table also has a connection at the moment of current query
|
|
assert count == 2
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cluster.start()
|
|
input("Cluster created, press any key to destroy...")
|
|
cluster.shutdown()
|