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107 lines
5.9 KiB
Python
107 lines
5.9 KiB
Python
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
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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
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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
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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
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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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settings={"insert_distributed_sync": 1})
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yield cluster
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finally:
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# pass
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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 \
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ON CLUSTER cross_3shards_2replicas \
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UPDATE shard_id=shard_id+3 \
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WHERE part_key='2017-06-16'")
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node1.query("SYSTEM SYNC REPLICA replica_2.replicated_local;", timeout=5)
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assert_eq_with_retry(node1,
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"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 \
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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 DROP PARTITION '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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def test_atomic_database(started_cluster):
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node1.query('''DROP DATABASE IF EXISTS replica_1 ON CLUSTER cross_3shards_2replicas;
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DROP DATABASE IF EXISTS replica_2 ON CLUSTER cross_3shards_2replicas;
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CREATE DATABASE replica_1 ON CLUSTER cross_3shards_2replicas ENGINE=Atomic;
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CREATE DATABASE replica_2 ON CLUSTER cross_3shards_2replicas ENGINE=Atomic;''')
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assert "It's not supported for cross replication" in \
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node1.query_and_get_error("CREATE TABLE rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree ORDER BY n")
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assert "It's not supported for cross replication" in \
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node1.query_and_get_error("CREATE TABLE replica_1.rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree ORDER BY n")
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assert "It's not supported for cross replication" in \
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node1.query_and_get_error("CREATE TABLE rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree('/{shard}/{uuid}/', '{replica}') ORDER BY n")
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assert "It's not supported for cross replication" in \
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node1.query_and_get_error("CREATE TABLE replica_2.rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree('/{shard}/{uuid}/', '{replica}') ORDER BY n")
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assert "For a distributed DDL on circular replicated cluster its table name must be qualified by database name" in \
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node1.query_and_get_error("CREATE TABLE rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree('/tables/{shard}/rmt/', '{replica}') ORDER BY n")
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node1.query("CREATE TABLE replica_1.rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree('/tables/{shard}/rmt/', '{replica}') ORDER BY n")
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node1.query("CREATE TABLE replica_2.rmt ON CLUSTER cross_3shards_2replicas (n UInt64, s String) ENGINE=ReplicatedMergeTree('/tables/{shard_bk}/rmt/', '{replica_bk}') ORDER BY n")
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assert node1.query("SELECT countDistinct(uuid) from remote('node1,node2,node3', 'system', 'databases') WHERE uuid != 0 AND name='replica_1'") == "1\n"
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assert node1.query("SELECT countDistinct(uuid) from remote('node1,node2,node3', 'system', 'tables') WHERE uuid != 0 AND name='rmt'") == "2\n"
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node1.query("INSERT INTO replica_1.rmt VALUES (1, 'test')")
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node2.query("SYSTEM SYNC REPLICA replica_2.rmt", timeout=5)
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assert_eq_with_retry(node2, "SELECT * FROM replica_2.rmt", '1\ttest')
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