import time import pytest from helpers.client import QueryRuntimeException from helpers.cluster import ClickHouseCluster cluster = ClickHouseCluster(__file__) writing_node = cluster.add_instance( "writing_node", main_configs=["config/writing_node.xml", "config/cluster.xml"], with_zookeeper=True, with_minio=True, stay_alive=True, macros={"shard": 1, "replica": 1}, ) reading_node = cluster.add_instance( "reading_node", main_configs=["config/reading_node.xml", "config/cluster.xml"], with_zookeeper=True, with_minio=True, stay_alive=True, macros={"shard": 1, "replica": 2}, ) @pytest.fixture(scope="module") def started_cluster(): try: cluster.start() yield cluster finally: cluster.shutdown() def test_disable_insertion_and_mutation(started_cluster): writing_node.query( """CREATE TABLE my_table on cluster default (key UInt64, value String) ENGINE=ReplicatedMergeTree('/clickhouse/tables/{shard}/default.my_table', '{replica}') ORDER BY key partition by (key % 5) """ ) assert "QUERY_IS_PROHIBITED" in reading_node.query_and_get_error( "INSERT INTO my_table VALUES (1, 'hello')" ) assert "QUERY_IS_PROHIBITED" in reading_node.query_and_get_error( "INSERT INTO my_table SETTINGS async_insert = 1 VALUES (1, 'hello')" ) assert "QUERY_IS_PROHIBITED" in reading_node.query_and_get_error( "ALTER TABLE my_table delete where 1" ) assert "QUERY_IS_PROHIBITED" in reading_node.query_and_get_error( "ALTER table my_table update key = 1 where 1" ) assert "QUERY_IS_PROHIBITED" in reading_node.query_and_get_error( "ALTER TABLE my_table drop partition 0" ) reading_node.query("SELECT * from my_table") writing_node.query("INSERT INTO my_table VALUES (1, 'hello')") writing_node.query("ALTER TABLE my_table delete where 1") writing_node.query("ALTER table my_table update value = 'no hello' where 1") reading_node.query("ALTER TABLE my_table ADD COLUMN new_column UInt64") writing_node.query("SELECT new_column from my_table") reading_node.query("SELECT new_column from my_table") reading_node.query("ALter Table my_table MODIFY COLUMN new_column String") assert "new_column\tString" in reading_node.query("DESC my_table") assert "new_column\tString" in writing_node.query("DESC my_table")