ClickHouse/tests/integration/test_replicated_parse_zk_metadata/test.py

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import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node', with_zookeeper=True)
@pytest.fixture(scope='module', autouse=True)
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_replicated_engine_parse_metadata_on_attach():
node.query(
'''
CREATE TABLE data (
key Int,
INDEX key_idx0 key+0 TYPE minmax GRANULARITY 1,
INDEX key_idx1 key+1 TYPE minmax GRANULARITY 1
)
ENGINE = ReplicatedMergeTree('/ch/tables/default/data', 'node')
ORDER BY key;
''')
node.query('DETACH TABLE data')
zk = cluster.get_kazoo_client('zoo1')
# Add **extra space between indices**, to check that it will be re-parsed
# and successfully accepted by the server.
#
# This metadata was obtain from the server without #11325
zk.set('/ch/tables/default/data/replicas/node/metadata', """
metadata format version: 1
date column:
sampling expression:
index granularity: 8192
mode: 0
sign column:
primary key: key
data format version: 1
partition key:
indices: key_idx0 key + 0 TYPE minmax GRANULARITY 1, key_idx1 key + 1 TYPE minmax GRANULARITY 1
granularity bytes: 10485760
""".lstrip())
node.query('ATTACH TABLE data')