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https://github.com/ClickHouse/ClickHouse.git
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71 lines
3.2 KiB
Python
71 lines
3.2 KiB
Python
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True,
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macros={"shard": 1, "replica": 1, "shard_bk": 3, "replica_bk": 2})
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node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=True,
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macros={"shard": 2, "replica": 1, "shard_bk": 1, "replica_bk": 2})
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node3 = cluster.add_instance('node3', main_configs=['configs/remote_servers.xml'], with_zookeeper=True,
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macros={"shard": 3, "replica": 1, "shard_bk": 2, "replica_bk": 2})
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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('''
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CREATE DATABASE replica_1 on cluster cross_3shards_2replicas;
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CREATE DATABASE replica_2 on cluster cross_3shards_2replicas;
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CREATE TABLE replica_1.replicated_local on cluster cross_3shards_2replicas (part_key Date, id UInt32, shard_id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/{shard}/replicated', '{replica}')
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partition by part_key order by id;
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CREATE TABLE replica_1.replicated on cluster cross_3shards_2replicas as replica_1.replicated_local
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ENGINE = Distributed(cross_3shards_2replicas, '', replicated_local, shard_id);
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CREATE TABLE replica_2.replicated_local on cluster cross_3shards_2replicas (part_key Date, id UInt32, shard_id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/{shard_bk}/replicated', '{replica_bk}')
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partition by part_key order by id;
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CREATE TABLE replica_2.replicated on cluster cross_3shards_2replicas as replica_2.replicated_local
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ENGINE = Distributed(cross_3shards_2replicas, '', replicated_local, shard_id);
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''')
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to_insert = '''\
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2017-06-16 10 0
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2017-06-17 11 0
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2017-06-16 20 1
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2017-06-17 21 1
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2017-06-16 30 2
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2017-06-17 31 2
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'''
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node1.query("INSERT INTO replica_1.replicated FORMAT TSV", stdin=to_insert)
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time.sleep(0.5)
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yield cluster
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finally:
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cluster.shutdown()
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def test_alter_ddl(started_cluster):
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node1.query('''alter table replica_1.replicated_local on cluster cross_3shards_2replicas update shard_id=shard_id+3
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where part_key='2017-06-16';
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''')
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node1.query("SYSTEM SYNC REPLICA replica_2.replicated_local;", timeout=5)
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assert_eq_with_retry(node1, "SELECT count(*) FROM replica_2.replicated where shard_id >= 3 and part_key='2017-06-16'", '3')
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node1.query("alter table replica_1.replicated_local on cluster cross_3shards_2replicas delete where shard_id >=3;")
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node1.query("SYSTEM SYNC REPLICA replica_2.replicated_local;", timeout=5)
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assert_eq_with_retry(node1, "SELECT count(*) FROM replica_2.replicated where shard_id >= 3", '0')
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node2.query("alter table replica_1.replicated_local on cluster cross_3shards_2replicas \
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drop partition toDate('2017-06-17');")
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node2.query("SYSTEM SYNC REPLICA replica_2.replicated_local;", timeout=5)
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assert_eq_with_retry(node1, "SELECT count(*) FROM replica_2.replicated", '0')
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