mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 17:32:32 +00:00
841 lines
32 KiB
Python
841 lines
32 KiB
Python
import logging
|
|
import pytest
|
|
from multiprocessing.dummy import Pool
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.postgres_utility import get_postgres_conn
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance(
|
|
"node1",
|
|
main_configs=["configs/named_collections.xml"],
|
|
user_configs=["configs/users.xml"],
|
|
with_postgres=True,
|
|
)
|
|
node2 = cluster.add_instance(
|
|
"node2",
|
|
main_configs=["configs/named_collections.xml"],
|
|
user_configs=["configs/settings.xml", "configs/users.xml"],
|
|
with_postgres_cluster=True,
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
node1.query("CREATE DATABASE test")
|
|
node2.query("CREATE DATABASE test")
|
|
# Wait for the PostgreSQL handler to start.
|
|
# cluster.start waits until port 9000 becomes accessible.
|
|
# Server opens the PostgreSQL compatibility port a bit later.
|
|
node1.wait_for_log_line("PostgreSQL compatibility protocol")
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def setup_teardown():
|
|
print("PostgreSQL is available - running test")
|
|
yield # run test
|
|
node1.query("DROP DATABASE test")
|
|
node1.query("CREATE DATABASE test")
|
|
|
|
|
|
def test_postgres_select_insert(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
table_name = "test_many"
|
|
table = f"""postgresql('{started_cluster.postgres_ip}:{started_cluster.postgres_port}', 'postgres', '{table_name}', 'postgres', 'mysecretpassword')"""
|
|
cursor.execute(f"DROP TABLE IF EXISTS {table_name}")
|
|
cursor.execute(f"CREATE TABLE {table_name} (a integer, b text, c integer)")
|
|
|
|
result = node1.query(
|
|
f"""
|
|
INSERT INTO TABLE FUNCTION {table}
|
|
SELECT number, concat('name_', toString(number)), 3 from numbers(10000)"""
|
|
)
|
|
check1 = f"SELECT count() FROM {table}"
|
|
check2 = f"SELECT Sum(c) FROM {table}"
|
|
check3 = f"SELECT count(c) FROM {table} WHERE a % 2 == 0"
|
|
check4 = f"SELECT count() FROM {table} WHERE b LIKE concat('name_', toString(1))"
|
|
assert (node1.query(check1)).rstrip() == "10000"
|
|
assert (node1.query(check2)).rstrip() == "30000"
|
|
assert (node1.query(check3)).rstrip() == "5000"
|
|
assert (node1.query(check4)).rstrip() == "1"
|
|
|
|
# Triggers issue https://github.com/ClickHouse/ClickHouse/issues/26088
|
|
# for i in range(1, 1000):
|
|
# assert (node1.query(check1)).rstrip() == '10000', f"Failed on {i}"
|
|
|
|
result = node1.query(
|
|
f"""
|
|
INSERT INTO TABLE FUNCTION {table}
|
|
SELECT number, concat('name_', toString(number)), 3 from numbers(1000000)"""
|
|
)
|
|
check1 = f"SELECT count() FROM {table}"
|
|
check2 = f"SELECT count() FROM (SELECT * FROM {table} LIMIT 10)"
|
|
assert (node1.query(check1)).rstrip() == "1010000"
|
|
assert (node1.query(check2)).rstrip() == "10"
|
|
|
|
cursor.execute(f"DROP TABLE {table_name} ")
|
|
|
|
|
|
def test_postgres_addresses_expr(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
table_name = "test_table"
|
|
table = f"""postgresql(`postgres5`)"""
|
|
cursor.execute(f"DROP TABLE IF EXISTS {table_name}")
|
|
cursor.execute(f"CREATE TABLE {table_name} (a integer, b text, c integer)")
|
|
|
|
node1.query(
|
|
f"""
|
|
INSERT INTO TABLE FUNCTION {table}
|
|
SELECT number, concat('name_', toString(number)), 3 from numbers(10000)"""
|
|
)
|
|
check1 = f"SELECT count() FROM {table}"
|
|
check2 = f"SELECT Sum(c) FROM {table}"
|
|
check3 = f"SELECT count(c) FROM {table} WHERE a % 2 == 0"
|
|
check4 = f"SELECT count() FROM {table} WHERE b LIKE concat('name_', toString(1))"
|
|
assert (node1.query(check1)).rstrip() == "10000"
|
|
assert (node1.query(check2)).rstrip() == "30000"
|
|
assert (node1.query(check3)).rstrip() == "5000"
|
|
assert (node1.query(check4)).rstrip() == "1"
|
|
|
|
cursor.execute(f"DROP TABLE {table_name} ")
|
|
|
|
|
|
def test_postgres_conversions(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute(f"DROP TABLE IF EXISTS test_types")
|
|
cursor.execute(f"DROP TABLE IF EXISTS test_array_dimensions")
|
|
|
|
cursor.execute(
|
|
"""CREATE TABLE test_types (
|
|
a smallint, b integer, c bigint, d real, e double precision, f serial, g bigserial,
|
|
h timestamp, i date, j decimal(5, 3), k numeric, l boolean, "M" integer)"""
|
|
)
|
|
node1.query(
|
|
"""
|
|
INSERT INTO TABLE FUNCTION postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword') VALUES
|
|
(-32768, -2147483648, -9223372036854775808, 1.12345, 1.1234567890, 2147483647, 9223372036854775807, '2000-05-12 12:12:12.012345', '2000-05-12', 22.222, 22.222, 1, 42)"""
|
|
)
|
|
result = node1.query(
|
|
"""
|
|
SELECT a, b, c, d, e, f, g, h, i, j, toDecimal128(k, 3), l, "M" FROM postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
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\t42\n"
|
|
)
|
|
|
|
cursor.execute(
|
|
"INSERT INTO test_types (l) VALUES (TRUE), (true), ('yes'), ('y'), ('1');"
|
|
)
|
|
cursor.execute(
|
|
"INSERT INTO test_types (l) VALUES (FALSE), (false), ('no'), ('off'), ('0');"
|
|
)
|
|
expected = "1\n1\n1\n1\n1\n1\n0\n0\n0\n0\n0\n"
|
|
result = node1.query(
|
|
"""SELECT l FROM postgresql('postgres1:5432', 'postgres', 'test_types', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
assert result == expected
|
|
|
|
cursor.execute(
|
|
"""CREATE TABLE IF NOT EXISTS test_array_dimensions
|
|
(
|
|
a Date[] NOT NULL, -- Date
|
|
b Timestamp[] NOT NULL, -- DateTime64(6)
|
|
c real[][] NOT NULL, -- Float32
|
|
d double precision[][] NOT NULL, -- Float64
|
|
e decimal(5, 5)[][][] NOT NULL, -- Decimal32
|
|
f integer[][][] NOT NULL, -- Int32
|
|
g Text[][][][][] NOT NULL, -- String
|
|
h Integer[][][], -- Nullable(Int32)
|
|
i Char(2)[][][][], -- Nullable(String)
|
|
j Char(2)[], -- Nullable(String)
|
|
k UUID[], -- Nullable(UUID)
|
|
l UUID[][], -- Nullable(UUID)
|
|
"M" integer[] NOT NULL -- Int32 (mixed-case identifier)
|
|
)"""
|
|
)
|
|
|
|
result = node1.query(
|
|
"""
|
|
DESCRIBE TABLE postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
expected = (
|
|
"a\tArray(Date)\t\t\t\t\t\n"
|
|
"b\tArray(DateTime64(6))\t\t\t\t\t\n"
|
|
"c\tArray(Array(Float32))\t\t\t\t\t\n"
|
|
"d\tArray(Array(Float64))\t\t\t\t\t\n"
|
|
"e\tArray(Array(Array(Decimal(5, 5))))\t\t\t\t\t\n"
|
|
"f\tArray(Array(Array(Int32)))\t\t\t\t\t\n"
|
|
"g\tArray(Array(Array(Array(Array(String)))))\t\t\t\t\t\n"
|
|
"h\tArray(Array(Array(Nullable(Int32))))\t\t\t\t\t\n"
|
|
"i\tArray(Array(Array(Array(Nullable(String)))))\t\t\t\t\t\n"
|
|
"j\tArray(Nullable(String))\t\t\t\t\t\n"
|
|
"k\tArray(Nullable(UUID))\t\t\t\t\t\n"
|
|
"l\tArray(Array(Nullable(UUID)))\t\t\t\t\t\n"
|
|
"M\tArray(Int32)"
|
|
""
|
|
)
|
|
assert result.rstrip() == expected
|
|
|
|
node1.query(
|
|
"INSERT INTO TABLE FUNCTION postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword') "
|
|
"VALUES ("
|
|
"['2000-05-12', '2000-05-12'], "
|
|
"['2000-05-12 12:12:12.012345', '2000-05-12 12:12:12.012345'], "
|
|
"[[1.12345], [1.12345], [1.12345]], "
|
|
"[[1.1234567891], [1.1234567891], [1.1234567891]], "
|
|
"[[[0.11111, 0.11111]], [[0.22222, 0.22222]], [[0.33333, 0.33333]]], "
|
|
"[[[1, 1], [1, 1]], [[3, 3], [3, 3]], [[4, 4], [5, 5]]], "
|
|
"[[[[['winx', 'winx', 'winx']]]]], "
|
|
"[[[1, NULL], [NULL, 1]], [[NULL, NULL], [NULL, NULL]], [[4, 4], [5, 5]]], "
|
|
"[[[[NULL]]]], "
|
|
"[], "
|
|
"['2a0c0bfc-4fec-4e32-ae3a-7fc8eea6626a', '42209d53-d641-4d73-a8b6-c038db1e75d6', NULL], "
|
|
"[[NULL, '42209d53-d641-4d73-a8b6-c038db1e75d6'], ['2a0c0bfc-4fec-4e32-ae3a-7fc8eea6626a', NULL], [NULL, NULL]],"
|
|
"[42, 42, 42]"
|
|
")"
|
|
)
|
|
|
|
result = node1.query(
|
|
"""
|
|
SELECT * FROM postgresql('postgres1:5432', 'postgres', 'test_array_dimensions', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
expected = (
|
|
"['2000-05-12','2000-05-12']\t"
|
|
"['2000-05-12 12:12:12.012345','2000-05-12 12:12:12.012345']\t"
|
|
"[[1.12345],[1.12345],[1.12345]]\t"
|
|
"[[1.1234567891],[1.1234567891],[1.1234567891]]\t"
|
|
"[[[0.11111,0.11111]],[[0.22222,0.22222]],[[0.33333,0.33333]]]\t"
|
|
"[[[1,1],[1,1]],[[3,3],[3,3]],[[4,4],[5,5]]]\t"
|
|
"[[[[['winx','winx','winx']]]]]\t"
|
|
"[[[1,NULL],[NULL,1]],[[NULL,NULL],[NULL,NULL]],[[4,4],[5,5]]]\t"
|
|
"[[[[NULL]]]]\t"
|
|
"[]\t"
|
|
"['2a0c0bfc-4fec-4e32-ae3a-7fc8eea6626a','42209d53-d641-4d73-a8b6-c038db1e75d6',NULL]\t"
|
|
"[[NULL,'42209d53-d641-4d73-a8b6-c038db1e75d6'],['2a0c0bfc-4fec-4e32-ae3a-7fc8eea6626a',NULL],[NULL,NULL]]\t"
|
|
"[42,42,42]\n"
|
|
)
|
|
assert result == expected
|
|
|
|
cursor.execute(f"DROP TABLE test_types")
|
|
cursor.execute(f"DROP TABLE test_array_dimensions")
|
|
|
|
|
|
def test_postgres_array_ndim_error_messges(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
|
|
# cleanup
|
|
cursor.execute("DROP VIEW IF EXISTS array_ndim_view;")
|
|
cursor.execute("DROP TABLE IF EXISTS array_ndim_table;")
|
|
|
|
# setup
|
|
cursor.execute(
|
|
'CREATE TABLE array_ndim_table (x INTEGER, "Mixed-case with spaces" INTEGER[]);'
|
|
)
|
|
cursor.execute("CREATE VIEW array_ndim_view AS SELECT * FROM array_ndim_table;")
|
|
describe_table = """
|
|
DESCRIBE TABLE postgresql(
|
|
'postgres1:5432', 'postgres', 'array_ndim_view',
|
|
'postgres', 'mysecretpassword'
|
|
)
|
|
"""
|
|
|
|
# View with array column cannot be empty. Should throw a useful error message.
|
|
# (Cannot infer array dimension.)
|
|
try:
|
|
node1.query(describe_table)
|
|
assert False
|
|
except Exception as error:
|
|
assert (
|
|
"PostgreSQL relation containing arrays cannot be empty: array_ndim_view"
|
|
in str(error)
|
|
)
|
|
|
|
# View cannot have empty array. Should throw useful error message.
|
|
# (Cannot infer array dimension.)
|
|
cursor.execute("TRUNCATE array_ndim_table;")
|
|
cursor.execute("INSERT INTO array_ndim_table VALUES (1234, '{}');")
|
|
try:
|
|
node1.query(describe_table)
|
|
assert False
|
|
except Exception as error:
|
|
assert (
|
|
'PostgreSQL cannot infer dimensions of an empty array: array_ndim_view."Mixed-case with spaces"'
|
|
in str(error)
|
|
)
|
|
|
|
# View cannot have NULL array value. Should throw useful error message.
|
|
cursor.execute("TRUNCATE array_ndim_table;")
|
|
cursor.execute("INSERT INTO array_ndim_table VALUES (1234, NULL);")
|
|
try:
|
|
node1.query(describe_table)
|
|
assert False
|
|
except Exception as error:
|
|
assert (
|
|
'PostgreSQL array cannot be NULL: array_ndim_view."Mixed-case with spaces"'
|
|
in str(error)
|
|
)
|
|
|
|
# cleanup
|
|
cursor.execute("DROP VIEW IF EXISTS array_ndim_view;")
|
|
cursor.execute("DROP TABLE IF EXISTS array_ndim_table;")
|
|
|
|
|
|
def test_non_default_schema(started_cluster):
|
|
node1.query("DROP TABLE IF EXISTS test_pg_table_schema")
|
|
node1.query("DROP TABLE IF EXISTS test_pg_table_schema_with_dots")
|
|
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute("DROP SCHEMA IF EXISTS test_schema CASCADE")
|
|
cursor.execute('DROP SCHEMA IF EXISTS "test.nice.schema" CASCADE')
|
|
|
|
cursor.execute("CREATE SCHEMA test_schema")
|
|
cursor.execute("CREATE TABLE test_schema.test_table (a integer)")
|
|
cursor.execute(
|
|
"INSERT INTO test_schema.test_table SELECT i FROM generate_series(0, 99) as t(i)"
|
|
)
|
|
|
|
node1.query(
|
|
"""
|
|
CREATE TABLE test.test_pg_table_schema (a UInt32)
|
|
ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_table', 'postgres', 'mysecretpassword', 'test_schema');
|
|
"""
|
|
)
|
|
|
|
result = node1.query("SELECT * FROM test.test_pg_table_schema")
|
|
expected = node1.query("SELECT number FROM numbers(100)")
|
|
assert result == expected
|
|
|
|
parameters = "'postgres1:5432', 'postgres', 'test_table', 'postgres', 'mysecretpassword', 'test_schema'"
|
|
table_function = f"postgresql({parameters})"
|
|
table_engine = f"PostgreSQL({parameters})"
|
|
result = node1.query(f"SELECT * FROM {table_function}")
|
|
assert result == expected
|
|
|
|
cursor.execute('''CREATE SCHEMA "test.nice.schema"''')
|
|
cursor.execute("""CREATE TABLE "test.nice.schema"."test.nice.table" (a integer)""")
|
|
cursor.execute(
|
|
'INSERT INTO "test.nice.schema"."test.nice.table" SELECT i FROM generate_series(0, 99) as t(i)'
|
|
)
|
|
|
|
node1.query(
|
|
"""
|
|
CREATE TABLE test.test_pg_table_schema_with_dots (a UInt32)
|
|
ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test.nice.table', 'postgres', 'mysecretpassword', 'test.nice.schema');
|
|
"""
|
|
)
|
|
result = node1.query("SELECT * FROM test.test_pg_table_schema_with_dots")
|
|
assert result == expected
|
|
|
|
cursor.execute(
|
|
'INSERT INTO "test_schema"."test_table" SELECT i FROM generate_series(100, 199) as t(i)'
|
|
)
|
|
result = node1.query(f"SELECT * FROM {table_function}")
|
|
expected = node1.query("SELECT number FROM numbers(200)")
|
|
assert result == expected
|
|
|
|
node1.query(f"CREATE TABLE test.test_pg_auto_schema_engine ENGINE={table_engine}")
|
|
node1.query(f"CREATE TABLE test.test_pg_auto_schema_function AS {table_function}")
|
|
|
|
expected = "a\tNullable(Int32)\t\t\t\t\t\n"
|
|
assert node1.query("DESCRIBE TABLE test.test_pg_auto_schema_engine") == expected
|
|
assert node1.query("DESCRIBE TABLE test.test_pg_auto_schema_function") == expected
|
|
|
|
cursor.execute("DROP SCHEMA test_schema CASCADE")
|
|
cursor.execute('DROP SCHEMA "test.nice.schema" CASCADE')
|
|
node1.query("DROP TABLE test.test_pg_table_schema")
|
|
node1.query("DROP TABLE test.test_pg_table_schema_with_dots")
|
|
node1.query("DROP TABLE test.test_pg_auto_schema_engine")
|
|
node1.query("DROP TABLE test.test_pg_auto_schema_function")
|
|
|
|
|
|
def test_concurrent_queries(started_cluster):
|
|
conn = get_postgres_conn(
|
|
started_cluster.postgres_ip, started_cluster.postgres_port, database=False
|
|
)
|
|
cursor = conn.cursor()
|
|
database_name = "concurrent_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)")
|
|
|
|
node1.query(
|
|
f"""
|
|
CREATE TABLE test.test_table (key UInt32, value UInt32)
|
|
ENGINE = PostgreSQL(postgres1, database='{database_name}', table='test_table')
|
|
"""
|
|
)
|
|
|
|
node1.query(
|
|
f"""
|
|
CREATE TABLE test.stat (numbackends UInt32, datname String)
|
|
ENGINE = PostgreSQL(postgres1, database='{database_name}', table='pg_stat_database')
|
|
"""
|
|
)
|
|
|
|
def node_select(_):
|
|
for i in range(20):
|
|
result = node1.query("SELECT * FROM test.test_table", user="default")
|
|
|
|
def node_insert(_):
|
|
for i in range(20):
|
|
result = node1.query(
|
|
"INSERT INTO test.test_table SELECT number, number FROM numbers(1000)",
|
|
user="default",
|
|
)
|
|
|
|
def node_insert_select(_):
|
|
for i in range(20):
|
|
result = node1.query(
|
|
"INSERT INTO test.test_table SELECT number, number FROM numbers(1000)",
|
|
user="default",
|
|
)
|
|
result = node1.query(
|
|
"SELECT * FROM test.test_table LIMIT 100", user="default"
|
|
)
|
|
|
|
busy_pool = Pool(30)
|
|
p = busy_pool.map_async(node_select, range(30))
|
|
p.wait()
|
|
|
|
count = int(
|
|
node1.query(
|
|
f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
|
|
)
|
|
)
|
|
print(count)
|
|
assert count <= 18 # 16 for test.test_table + 1 for conn + 1 for test.stat
|
|
|
|
busy_pool = Pool(30)
|
|
p = busy_pool.map_async(node_insert, range(30))
|
|
p.wait()
|
|
|
|
count = int(
|
|
node1.query(
|
|
f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
|
|
)
|
|
)
|
|
print(count)
|
|
assert count <= 19 # 16 for test.test_table + 1 for conn + at most 2 for test.stat
|
|
|
|
busy_pool = Pool(30)
|
|
p = busy_pool.map_async(node_insert_select, range(30))
|
|
p.wait()
|
|
|
|
count = int(
|
|
node1.query(
|
|
f"SELECT numbackends FROM test.stat WHERE datname = '{database_name}'"
|
|
)
|
|
)
|
|
print(count)
|
|
assert count <= 20 # 16 for test.test_table + 1 for conn + at most 3 for test.stat
|
|
|
|
node1.query("DROP TABLE test.test_table;")
|
|
node1.query("DROP TABLE test.stat;")
|
|
|
|
|
|
def test_postgres_distributed(started_cluster):
|
|
cursor0 = started_cluster.postgres_conn.cursor()
|
|
cursor1 = started_cluster.postgres2_conn.cursor()
|
|
cursor2 = started_cluster.postgres3_conn.cursor()
|
|
cursor3 = started_cluster.postgres4_conn.cursor()
|
|
cursors = [cursor0, cursor1, cursor2, cursor3]
|
|
|
|
for i in range(4):
|
|
cursors[i].execute("DROP TABLE IF EXISTS test_replicas")
|
|
cursors[i].execute("CREATE TABLE test_replicas (id Integer, name Text)")
|
|
cursors[i].execute(
|
|
f"""INSERT INTO test_replicas select i, 'host{i+1}' from generate_series(0, 99) as t(i);"""
|
|
)
|
|
|
|
# test multiple ports parsing
|
|
result = node2.query(
|
|
"""SELECT DISTINCT(name) FROM postgresql('postgres{1|2|3}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); """
|
|
)
|
|
assert result == "host1\n" or result == "host2\n" or result == "host3\n"
|
|
result = node2.query(
|
|
"""SELECT DISTINCT(name) FROM postgresql('postgres2:5431|postgres3:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); """
|
|
)
|
|
assert result == "host3\n" or result == "host2\n"
|
|
|
|
# Create storage with with 3 replicas
|
|
node2.query("DROP TABLE IF EXISTS test_replicas")
|
|
node2.query(
|
|
"""
|
|
CREATE TABLE test_replicas
|
|
(id UInt32, name String)
|
|
ENGINE = PostgreSQL('postgres{2|3|4}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); """
|
|
)
|
|
|
|
# Check all replicas are traversed
|
|
query = "SELECT name FROM ("
|
|
for i in range(3):
|
|
query += "SELECT name FROM test_replicas UNION DISTINCT "
|
|
query += "SELECT name FROM test_replicas) ORDER BY name"
|
|
result = node2.query(query)
|
|
assert result == "host2\nhost3\nhost4\n"
|
|
|
|
# Create storage with with two two shards, each has 2 replicas
|
|
node2.query("DROP TABLE IF EXISTS test_shards")
|
|
|
|
node2.query(
|
|
"""
|
|
CREATE TABLE test_shards
|
|
(id UInt32, name String, age UInt32, money UInt32)
|
|
ENGINE = ExternalDistributed('PostgreSQL', 'postgres{1|2}:5432,postgres{3|4}:5432', 'postgres', 'test_replicas', 'postgres', 'mysecretpassword'); """
|
|
)
|
|
|
|
# Check only one replica in each shard is used
|
|
result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
|
|
assert result == "host1\nhost3\n"
|
|
|
|
node2.query(
|
|
"""
|
|
CREATE TABLE test_shards2
|
|
(id UInt32, name String, age UInt32, money UInt32)
|
|
ENGINE = ExternalDistributed('PostgreSQL', postgres4, addresses_expr='postgres{1|2}:5432,postgres{3|4}:5432'); """
|
|
)
|
|
|
|
result = node2.query("SELECT DISTINCT(name) FROM test_shards2 ORDER BY name")
|
|
assert result == "host1\nhost3\n"
|
|
|
|
# Check all replicas are traversed
|
|
query = "SELECT name FROM ("
|
|
for i in range(3):
|
|
query += "SELECT name FROM test_shards UNION DISTINCT "
|
|
query += "SELECT name FROM test_shards) ORDER BY name"
|
|
result = node2.query(query)
|
|
assert result == "host1\nhost2\nhost3\nhost4\n"
|
|
|
|
# Disconnect postgres1
|
|
started_cluster.pause_container("postgres1")
|
|
result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
|
|
started_cluster.unpause_container("postgres1")
|
|
assert result == "host2\nhost4\n" or result == "host3\nhost4\n"
|
|
node2.query("DROP TABLE test_shards")
|
|
node2.query("DROP TABLE test_replicas")
|
|
|
|
|
|
def test_datetime_with_timezone(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute("DROP TABLE IF EXISTS test_timezone")
|
|
node1.query("DROP TABLE IF EXISTS test.test_timezone")
|
|
cursor.execute(
|
|
"CREATE TABLE test_timezone (ts timestamp without time zone, ts_z timestamp with time zone)"
|
|
)
|
|
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';"
|
|
)
|
|
cursor.execute("select * from test_timezone")
|
|
result = cursor.fetchall()[0]
|
|
logging.debug(f"{result[0]}, {str(result[1])[:-6]}")
|
|
node1.query(
|
|
"create table test.test_timezone ( ts DateTime, ts_z DateTime('America/New_York')) ENGINE PostgreSQL('postgres1:5432', 'postgres', 'test_timezone', 'postgres', 'mysecretpassword');"
|
|
)
|
|
assert node1.query("select ts from test.test_timezone").strip() == str(result[0])
|
|
# [:-6] because 2014-04-04 16:00:00+00:00 -> 2014-04-04 16:00:00
|
|
assert (
|
|
node1.query("select ts_z from test.test_timezone").strip()
|
|
== str(result[1])[:-6]
|
|
)
|
|
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
|
|
|
|
|
|
def test_literal_escaping(started_cluster):
|
|
cursor = started_cluster.postgres_conn.cursor()
|
|
cursor.execute(f"DROP TABLE IF EXISTS escaping")
|
|
cursor.execute(f"CREATE TABLE escaping(text varchar(255))")
|
|
node1.query(
|
|
"CREATE TABLE default.escaping (text String) ENGINE = PostgreSQL('postgres1:5432', 'postgres', 'escaping', 'postgres', 'mysecretpassword')"
|
|
)
|
|
node1.query("SELECT * FROM escaping WHERE text = ''''") # ' -> ''
|
|
node1.query("SELECT * FROM escaping WHERE text = '\\''") # ' -> ''
|
|
node1.query("SELECT * FROM escaping WHERE text = '\\\\\\''") # \' -> \''
|
|
node1.query("SELECT * FROM escaping WHERE text = '\\\\\\''") # \' -> \''
|
|
node1.query("SELECT * FROM escaping WHERE text like '%a''a%'") # %a'a% -> %a''a%
|
|
node1.query("SELECT * FROM escaping WHERE text like '%a\\'a%'") # %a'a% -> %a''a%
|
|
cursor.execute(f"DROP TABLE escaping")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cluster.start()
|
|
input("Cluster created, press any key to destroy...")
|
|
cluster.shutdown()
|