mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-23 08:02:02 +00:00
58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node = cluster.add_instance("node", stay_alive=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def replace_substring_to_substr(node):
|
|
node.exec_in_container(
|
|
[
|
|
"bash",
|
|
"-c",
|
|
"sed -i 's/substring/substr/g' /var/lib/clickhouse/metadata/default/file.sql",
|
|
],
|
|
user="root",
|
|
)
|
|
|
|
|
|
def test_attach_substr(started_cluster):
|
|
# Initialize
|
|
node.query("DROP TABLE IF EXISTS default.file")
|
|
node.query(
|
|
"CREATE TABLE default.file(`s` String, `n` UInt8) ENGINE = MergeTree PARTITION BY substring(s, 1, 2) ORDER BY n "
|
|
)
|
|
|
|
# Detach table file
|
|
node.query("DETACH TABLE file")
|
|
|
|
# Replace substring to substr
|
|
replace_substring_to_substr(node)
|
|
|
|
# Attach table file
|
|
node.query("ATTACH TABLE file")
|
|
|
|
|
|
def test_attach_substr_restart(started_cluster):
|
|
# Initialize
|
|
node.query("DROP TABLE IF EXISTS default.file")
|
|
node.query(
|
|
"CREATE TABLE default.file(`s` String, `n` UInt8) ENGINE = MergeTree PARTITION BY substring(s, 1, 2) ORDER BY n "
|
|
)
|
|
|
|
# Replace substring to substr
|
|
replace_substring_to_substr(node)
|
|
|
|
# Restart clickhouse
|
|
node.restart_clickhouse(kill=True)
|