mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-07 16:14:52 +00:00
139 lines
6.2 KiB
Python
139 lines
6.2 KiB
Python
import time
|
|
|
|
import pytest
|
|
import psycopg2
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance('node1', main_configs=[], with_postgres=True)
|
|
|
|
def get_postgres_conn(database=False):
|
|
if database == True:
|
|
conn_string = "host='localhost' dbname='clickhouse' user='postgres' password='mysecretpassword'"
|
|
else:
|
|
conn_string = "host='localhost' user='postgres' password='mysecretpassword'"
|
|
conn = psycopg2.connect(conn_string)
|
|
conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
|
|
conn.autocommit = True
|
|
return conn
|
|
|
|
def create_postgres_db(conn, name):
|
|
cursor = conn.cursor()
|
|
cursor.execute("CREATE DATABASE {}".format(name))
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
postgres_conn = get_postgres_conn()
|
|
print("postgres connected")
|
|
create_postgres_db(postgres_conn, 'clickhouse')
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_postgres_select_insert(started_cluster):
|
|
conn = get_postgres_conn(True)
|
|
cursor = conn.cursor()
|
|
table_name = 'test_many'
|
|
table = '''postgresql('postgres1:5432', 'clickhouse', '{}', 'postgres', 'mysecretpassword')'''.format(table_name)
|
|
cursor.execute('CREATE TABLE IF NOT EXISTS {} (a integer, b text, c integer)'.format(table_name))
|
|
|
|
result = node1.query('''
|
|
INSERT INTO TABLE FUNCTION {}
|
|
SELECT number, concat('name_', toString(number)), 3 from numbers(10000)'''.format(table))
|
|
check1 = "SELECT count() FROM {}".format(table)
|
|
check2 = "SELECT Sum(c) FROM {}".format(table)
|
|
check3 = "SELECT count(c) FROM {} WHERE a % 2 == 0".format(table)
|
|
check4 = "SELECT count() FROM {} WHERE b LIKE concat('name_', toString(1))".format(table)
|
|
assert (node1.query(check1)).rstrip() == '10000'
|
|
assert (node1.query(check2)).rstrip() == '30000'
|
|
assert (node1.query(check3)).rstrip() == '5000'
|
|
assert (node1.query(check4)).rstrip() == '1'
|
|
|
|
|
|
def test_postgres_conversions(started_cluster):
|
|
conn = get_postgres_conn(True)
|
|
cursor = conn.cursor()
|
|
cursor.execute(
|
|
'''CREATE TABLE IF NOT EXISTS test_types (
|
|
a smallint, b integer, c bigint, d real, e double precision, f serial, g bigserial,
|
|
h timestamp, i date, j numeric(5, 5), k decimal(5, 5))''')
|
|
node1.query('''
|
|
INSERT INTO TABLE FUNCTION postgresql('postgres1:5432', 'clickhouse', 'test_types', 'postgres', 'mysecretpassword') VALUES
|
|
(-32768, -2147483648, -9223372036854775808, 1.12345, 1.1234567890, 2147483647, 9223372036854775807, '2000-05-12 12:12:12', '2000-05-12', 0.2, 0.2)''')
|
|
result = node1.query('''
|
|
SELECT * FROM postgresql('postgres1:5432', 'clickhouse', 'test_types', 'postgres', 'mysecretpassword')''')
|
|
assert(result == '-32768\t-2147483648\t-9223372036854775808\t1.12345\t1.123456789\t2147483647\t9223372036854775807\t2000-05-12 12:12:12\t2000-05-12\t0.20000\t0.20000\n')
|
|
|
|
cursor.execute(
|
|
'''CREATE TABLE IF NOT EXISTS test_array_dimensions
|
|
(
|
|
a Date[] NOT NULL, -- Date
|
|
b Timestamp[] NOT NULL, -- DateTime
|
|
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)
|
|
k Char(2)[] -- Nullable(String)
|
|
)''')
|
|
|
|
result = node1.query('''
|
|
DESCRIBE TABLE postgresql('postgres1:5432', 'clickhouse', 'test_array_dimensions', 'postgres', 'mysecretpassword')''')
|
|
expected = ('a\tArray(Date)\t\t\t\t\t\n' +
|
|
'b\tArray(DateTime)\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' +
|
|
'k\tArray(Nullable(String))'
|
|
)
|
|
assert(result.rstrip() == expected)
|
|
|
|
node1.query("INSERT INTO TABLE FUNCTION postgresql('postgres1:5432', 'clickhouse', 'test_array_dimensions', 'postgres', 'mysecretpassword') "
|
|
"VALUES ("
|
|
"['2000-05-12', '2000-05-12'], "
|
|
"['2000-05-12 12:12:12', '2000-05-12 12:12:12'], "
|
|
"[[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]]]], "
|
|
"[]"
|
|
")")
|
|
|
|
result = node1.query('''
|
|
SELECT * FROM postgresql('postgres1:5432', 'clickhouse', 'test_array_dimensions', 'postgres', 'mysecretpassword')''')
|
|
expected = (
|
|
"['2000-05-12','2000-05-12']\t" +
|
|
"['2000-05-12 12:12:12','2000-05-12 12:12:12']\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"
|
|
"[]\n"
|
|
)
|
|
assert(result == expected)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
cluster.start()
|
|
input("Cluster created, press any key to destroy...")
|
|
cluster.shutdown()
|