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https://github.com/ClickHouse/ClickHouse.git
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106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
import re
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import time
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import pytest
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import requests
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from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException
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cluster = ClickHouseCluster(__file__, zookeeper_config_path="configs/zookeeper.xml")
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main_configs = [
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"configs/remote_servers.xml",
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]
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node1 = cluster.add_instance(
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"node1",
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main_configs=main_configs + ["configs/drop_if_empty_check.xml"],
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macros={"replica": "node1", "shard": "shard1"},
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with_zookeeper=True,
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)
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node2 = cluster.add_instance(
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"node2",
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main_configs=main_configs + ["configs/drop_if_empty_check.xml"],
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macros={"replica": "node2", "shard": "shard1"},
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with_zookeeper=True,
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)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def test_drop_if_empty(start_cluster):
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settings = {
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"allow_experimental_database_replicated": 1,
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}
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node1.query(
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"CREATE DATABASE replicateddb "
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"ENGINE = Replicated('/clickhouse/databases/replicateddb', 'shard1', 'node1')",
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settings=settings,
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)
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node2.query(
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"CREATE DATABASE replicateddb "
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"ENGINE = Replicated('/clickhouse/databases/replicateddb', 'shard1', 'node2')",
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settings=settings,
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)
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node1.query(
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"CREATE TABLE default.tbl ON CLUSTER 'cluster' ("
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"x UInt64"
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") ENGINE=ReplicatedMergeTree('/clickhouse/tables/tbl/', '{replica}')"
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"ORDER BY x"
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)
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node1.query(
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"CREATE TABLE replicateddb.tbl2 (" "x UInt64" ") ENGINE=MergeTree " "ORDER BY x"
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)
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assert 1 == int(
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node2.query("SELECT count() FROM system.tables WHERE name = 'tbl';")
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)
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assert 1 == int(
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node2.query("SELECT count() FROM system.databases WHERE name = 'replicateddb';")
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)
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assert 1 == int(
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node2.query("SELECT count() FROM system.tables WHERE name = 'tbl2';")
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)
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node2.query("SYSTEM STOP MERGES;")
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node2.query("SYSTEM STOP FETCHES;")
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node2.query("SYSTEM STOP REPLICATION QUEUES;")
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node1.query("INSERT INTO default.tbl SELECT * FROM system.numbers_mt LIMIT 10000;")
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node1.query(
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"INSERT INTO replicateddb.tbl2 SELECT * FROM system.numbers_mt LIMIT 10000;"
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)
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assert 0 == int(node2.query("SELECT count() FROM default.tbl;"))
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assert 0 == int(node2.query("SELECT count() FROM replicateddb.tbl2;"))
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node2.query("DROP TABLE IF EMPTY default.tbl ON CLUSTER 'cluster';")
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node2.query("DROP TABLE IF EMPTY replicateddb.tbl2;")
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assert 0 == int(
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node1.query("SELECT count() FROM system.tables WHERE name = 'tbl';")
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)
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assert 0 == int(
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node2.query("SELECT count() FROM system.tables WHERE name = 'tbl';")
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)
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assert 0 == int(
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node1.query("SELECT count() FROM system.tables WHERE name = 'tbl2';")
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)
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assert 0 == int(
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node2.query("SELECT count() FROM system.tables WHERE name = 'tbl2';")
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)
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with pytest.raises(
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QueryRuntimeException,
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match="DB::Exception: DROP IF EMPTY is not implemented for databases.",
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):
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node2.query("DROP DATABASE IF EMPTY replicateddb;")
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