mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-11 18:14:03 +00:00
324 lines
22 KiB
Python
324 lines
22 KiB
Python
import time
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def check_query(clickhouse_node, query, result_set, retry_count=3, interval_seconds=3):
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lastest_result = ''
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for index in range(retry_count):
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lastest_result = clickhouse_node.query(query)
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if result_set == lastest_result:
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return
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print lastest_result
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time.sleep(interval_seconds)
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assert lastest_result == result_set
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def dml_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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# existed before the mapping was created
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mysql_node.query("CREATE TABLE test_database.test_table_1 ("
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"`key` INT NOT NULL PRIMARY KEY, "
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"unsigned_tiny_int TINYINT UNSIGNED, tiny_int TINYINT, "
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"unsigned_small_int SMALLINT UNSIGNED, small_int SMALLINT, "
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"unsigned_medium_int MEDIUMINT UNSIGNED, medium_int MEDIUMINT, "
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"unsigned_int INT UNSIGNED, _int INT, "
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"unsigned_integer INTEGER UNSIGNED, _integer INTEGER, "
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"unsigned_bigint BIGINT UNSIGNED, _bigint BIGINT, "
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"/* Need ClickHouse support read mysql decimal unsigned_decimal DECIMAL(19, 10) UNSIGNED, _decimal DECIMAL(19, 10), */"
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"unsigned_float FLOAT UNSIGNED, _float FLOAT, "
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"unsigned_double DOUBLE UNSIGNED, _double DOUBLE, "
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"_varchar VARCHAR(10), _char CHAR(10), "
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"/* Need ClickHouse support Enum('a', 'b', 'v') _enum ENUM('a', 'b', 'c'), */"
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"_date Date, _datetime DateTime, _timestamp TIMESTAMP, _bool BOOLEAN) ENGINE = InnoDB;")
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# it already has some data
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mysql_node.query(
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"INSERT INTO test_database.test_table_1 VALUES(1, 1, -1, 2, -2, 3, -3, 4, -4, 5, -5, 6, -6, 3.2, -3.2, 3.4, -3.4, 'varchar', 'char', "
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"'2020-01-01', '2020-01-01 00:00:00', '2020-01-01 00:00:00', true);")
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clickhouse_node.query("CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_1 ORDER BY key FORMAT TSV",
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"1\t1\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\tvarchar\tchar\t2020-01-01\t"
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"2020-01-01 00:00:00\t2020-01-01 00:00:00\t1\n")
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mysql_node.query(
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"INSERT INTO test_database.test_table_1 VALUES(2, 1, -1, 2, -2, 3, -3, 4, -4, 5, -5, 6, -6, 3.2, -3.2, 3.4, -3.4, 'varchar', 'char', "
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"'2020-01-01', '2020-01-01 00:00:00', '2020-01-01 00:00:00', false);")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_1 ORDER BY key FORMAT TSV",
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"1\t1\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\tvarchar\tchar\t2020-01-01\t"
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"2020-01-01 00:00:00\t2020-01-01 00:00:00\t1\n2\t1\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\t"
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"varchar\tchar\t2020-01-01\t2020-01-01 00:00:00\t2020-01-01 00:00:00\t0\n")
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mysql_node.query("UPDATE test_database.test_table_1 SET unsigned_tiny_int = 2 WHERE `key` = 1")
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check_query(clickhouse_node, "SELECT key, unsigned_tiny_int, tiny_int, unsigned_small_int,"
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" small_int, unsigned_medium_int, medium_int, unsigned_int, _int, unsigned_integer, _integer, "
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" unsigned_bigint, _bigint, unsigned_float, _float, unsigned_double, _double, _varchar, _char, "
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" _date, _datetime, /* exclude it, because ON UPDATE CURRENT_TIMESTAMP _timestamp, */ "
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" _bool FROM test_database.test_table_1 ORDER BY key FORMAT TSV",
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"1\t2\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\tvarchar\tchar\t2020-01-01\t"
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"2020-01-01 00:00:00\t1\n2\t1\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\t"
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"varchar\tchar\t2020-01-01\t2020-01-01 00:00:00\t0\n")
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# update primary key
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mysql_node.query("UPDATE test_database.test_table_1 SET `key` = 3 WHERE `unsigned_tiny_int` = 2")
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check_query(clickhouse_node, "SELECT key, unsigned_tiny_int, tiny_int, unsigned_small_int,"
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" small_int, unsigned_medium_int, medium_int, unsigned_int, _int, unsigned_integer, _integer, "
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" unsigned_bigint, _bigint, unsigned_float, _float, unsigned_double, _double, _varchar, _char, "
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" _date, _datetime, /* exclude it, because ON UPDATE CURRENT_TIMESTAMP _timestamp, */ "
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" _bool FROM test_database.test_table_1 ORDER BY key FORMAT TSV",
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"2\t1\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\t"
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"varchar\tchar\t2020-01-01\t2020-01-01 00:00:00\t0\n3\t2\t-1\t2\t-2\t3\t-3\t"
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"4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\tvarchar\tchar\t2020-01-01\t2020-01-01 00:00:00\t1\n")
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mysql_node.query('DELETE FROM test_database.test_table_1 WHERE `key` = 2')
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check_query(clickhouse_node, "SELECT key, unsigned_tiny_int, tiny_int, unsigned_small_int,"
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" small_int, unsigned_medium_int, medium_int, unsigned_int, _int, unsigned_integer, _integer, "
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" unsigned_bigint, _bigint, unsigned_float, _float, unsigned_double, _double, _varchar, _char, "
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" _date, _datetime, /* exclude it, because ON UPDATE CURRENT_TIMESTAMP _timestamp, */ "
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" _bool FROM test_database.test_table_1 ORDER BY key FORMAT TSV",
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"3\t2\t-1\t2\t-2\t3\t-3\t4\t-4\t5\t-5\t6\t-6\t3.2\t-3.2\t3.4\t-3.4\tvarchar\tchar\t2020-01-01\t"
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"2020-01-01 00:00:00\t1\n")
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mysql_node.query('DELETE FROM test_database.test_table_1 WHERE `unsigned_tiny_int` = 2')
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_1 ORDER BY key FORMAT TSV", "")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def drop_table_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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mysql_node.query("DROP TABLE test_database.test_table_1;")
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mysql_node.query("CREATE TABLE test_database.test_table_2 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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mysql_node.query("TRUNCATE TABLE test_database.test_table_2;")
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# create mapping
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clickhouse_node.query(
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"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_2\n")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "")
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mysql_node.query("INSERT INTO test_database.test_table_2 VALUES(1), (2), (3), (4), (5), (6)")
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_2\n")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "1\n2\n3\n4\n5\n6\n")
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mysql_node.query("DROP TABLE test_database.test_table_1;")
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mysql_node.query("TRUNCATE TABLE test_database.test_table_2;")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_2\n")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def create_table_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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# existed before the mapping was created
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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# it already has some data
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mysql_node.query("INSERT INTO test_database.test_table_1 VALUES(1), (2), (3), (5), (6), (7);")
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# create mapping
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clickhouse_node.query("CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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# Check for pre-existing status
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_1 ORDER BY id FORMAT TSV", "1\n2\n3\n5\n6\n7\n")
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mysql_node.query("CREATE TABLE test_database.test_table_2 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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mysql_node.query("INSERT INTO test_database.test_table_2 VALUES(1), (2), (3), (4), (5), (6);")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_2\n")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "1\n2\n3\n4\n5\n6\n")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def rename_table_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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mysql_node.query("RENAME TABLE test_database.test_table_1 TO test_database.test_table_2")
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# create mapping
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clickhouse_node.query(
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"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_2\n")
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mysql_node.query("RENAME TABLE test_database.test_table_2 TO test_database.test_table_1")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def alter_add_column_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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mysql_node.query("ALTER TABLE test_database.test_table_1 ADD COLUMN add_column_1 INT NOT NULL")
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mysql_node.query("ALTER TABLE test_database.test_table_1 ADD COLUMN add_column_2 INT NOT NULL FIRST")
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mysql_node.query("ALTER TABLE test_database.test_table_1 ADD COLUMN add_column_3 INT NOT NULL AFTER add_column_1")
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mysql_node.query("ALTER TABLE test_database.test_table_1 ADD COLUMN add_column_4 INT NOT NULL DEFAULT " + ("0" if service_name == "mysql5_7" else "(id)"))
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# create mapping
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clickhouse_node.query(
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"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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check_query(clickhouse_node, "DESC test_database.test_table_1 FORMAT TSV",
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"add_column_2\tInt32\t\t\t\t\t\nid\tInt32\t\t\t\t\t\nadd_column_1\tInt32\t\t\t\t\t\nadd_column_3\tInt32\t\t\t\t\t\nadd_column_4\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("CREATE TABLE test_database.test_table_2 (id INT NOT NULL PRIMARY KEY) ENGINE = InnoDB;")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_2\n")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("ALTER TABLE test_database.test_table_2 ADD COLUMN add_column_1 INT NOT NULL, ADD COLUMN add_column_2 INT NOT NULL FIRST")
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mysql_node.query(
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"ALTER TABLE test_database.test_table_2 ADD COLUMN add_column_3 INT NOT NULL AFTER add_column_1, ADD COLUMN add_column_4 INT NOT NULL DEFAULT " + (
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"0" if service_name == "mysql5_7" else "(id)"))
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default_expression = "DEFAULT\t0" if service_name == "mysql5_7" else "DEFAULT\tid"
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV",
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"add_column_2\tInt32\t\t\t\t\t\nid\tInt32\t\t\t\t\t\nadd_column_1\tInt32\t\t\t\t\t\nadd_column_3\tInt32\t\t\t\t\t\nadd_column_4\tInt32\t" + default_expression + "\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("INSERT INTO test_database.test_table_2 VALUES(1, 2, 3, 4, 5), (6, 7, 8, 9, 10)")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "1\t2\t3\t4\t5\n6\t7\t8\t9\t10\n")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def alter_drop_column_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY, drop_column INT) ENGINE = InnoDB;")
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mysql_node.query("ALTER TABLE test_database.test_table_1 DROP COLUMN drop_column")
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# create mapping
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clickhouse_node.query(
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"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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check_query(clickhouse_node, "DESC test_database.test_table_1 FORMAT TSV", "id\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("CREATE TABLE test_database.test_table_2 (id INT NOT NULL PRIMARY KEY, drop_column INT NOT NULL) ENGINE = InnoDB;")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_2\n")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\ndrop_column\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("ALTER TABLE test_database.test_table_2 DROP COLUMN drop_column")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("INSERT INTO test_database.test_table_2 VALUES(1), (2), (3), (4), (5)")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "1\n2\n3\n4\n5\n")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def alter_rename_column_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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# maybe should test rename primary key?
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY, rename_column INT NOT NULL) ENGINE = InnoDB;")
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mysql_node.query("ALTER TABLE test_database.test_table_1 RENAME COLUMN rename_column TO new_column_name")
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# create mapping
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clickhouse_node.query(
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"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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check_query(clickhouse_node, "DESC test_database.test_table_1 FORMAT TSV", "id\tInt32\t\t\t\t\t\nnew_column_name\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("CREATE TABLE test_database.test_table_2 (id INT NOT NULL PRIMARY KEY, rename_column INT NOT NULL) ENGINE = InnoDB;")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_2\n")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\nrename_column\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("ALTER TABLE test_database.test_table_2 RENAME COLUMN rename_column TO new_column_name")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\nnew_column_name\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("INSERT INTO test_database.test_table_2 VALUES(1, 2), (3, 4), (5, 6), (7, 8), (9, 10)")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "1\t2\n3\t4\n5\t6\n7\t8\n9\t10\n")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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def alter_modify_column_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
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mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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# maybe should test rename primary key?
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY, modify_column INT NOT NULL) ENGINE = InnoDB;")
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mysql_node.query("ALTER TABLE test_database.test_table_1 MODIFY COLUMN modify_column INT")
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# create mapping
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clickhouse_node.query(
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"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
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assert "test_database" in clickhouse_node.query("SHOW DATABASES")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\n")
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check_query(clickhouse_node, "DESC test_database.test_table_1 FORMAT TSV", "id\tInt32\t\t\t\t\t\nmodify_column\tNullable(Int32)\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("CREATE TABLE test_database.test_table_2 (id INT NOT NULL PRIMARY KEY, modify_column INT NOT NULL) ENGINE = InnoDB;")
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check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_2\n")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\nmodify_column\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("ALTER TABLE test_database.test_table_2 MODIFY COLUMN modify_column INT")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\nmodify_column\tNullable(Int32)\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("ALTER TABLE test_database.test_table_2 MODIFY COLUMN modify_column INT FIRST")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "modify_column\tNullable(Int32)\t\t\t\t\t\nid\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("ALTER TABLE test_database.test_table_2 MODIFY COLUMN modify_column INT AFTER id")
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check_query(clickhouse_node, "DESC test_database.test_table_2 FORMAT TSV", "id\tInt32\t\t\t\t\t\nmodify_column\tNullable(Int32)\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
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mysql_node.query("INSERT INTO test_database.test_table_2 VALUES(1, 2), (3, NULL)")
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check_query(clickhouse_node, "SELECT * FROM test_database.test_table_2 ORDER BY id FORMAT TSV", "1\t2\n3\t\\N\n")
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mysql_node.query("DROP DATABASE test_database")
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clickhouse_node.query("DROP DATABASE test_database")
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# TODO: need ClickHouse support ALTER TABLE table_name ADD COLUMN column_name, RENAME COLUMN column_name TO new_column_name;
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# def test_mysql_alter_change_column_for_materialize_mysql_database(started_cluster):
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# pass
|
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def alter_rename_table_with_materialize_mysql_database(clickhouse_node, mysql_node, service_name):
|
|
mysql_node.query("CREATE DATABASE test_database DEFAULT CHARACTER SET 'utf8'")
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mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY, drop_column INT) ENGINE = InnoDB;")
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|
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mysql_node.query("ALTER TABLE test_database.test_table_1 DROP COLUMN drop_column, RENAME TO test_database.test_table_2, RENAME TO test_database.test_table_3")
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|
|
|
# create mapping
|
|
clickhouse_node.query(
|
|
"CREATE DATABASE test_database ENGINE = MaterializeMySQL('{}:3306', 'test_database', 'root', 'clickhouse')".format(service_name))
|
|
|
|
assert "test_database" in clickhouse_node.query("SHOW DATABASES")
|
|
check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_3\n")
|
|
check_query(clickhouse_node, "DESC test_database.test_table_3 FORMAT TSV", "id\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
|
|
mysql_node.query("CREATE TABLE test_database.test_table_1 (id INT NOT NULL PRIMARY KEY, drop_column INT NOT NULL) ENGINE = InnoDB;")
|
|
check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_1\ntest_table_3\n")
|
|
check_query(clickhouse_node, "DESC test_database.test_table_1 FORMAT TSV", "id\tInt32\t\t\t\t\t\ndrop_column\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
|
|
mysql_node.query("ALTER TABLE test_database.test_table_1 DROP COLUMN drop_column, RENAME TO test_database.test_table_2, RENAME TO test_database.test_table_4")
|
|
check_query(clickhouse_node, "SHOW TABLES FROM test_database FORMAT TSV", "test_table_3\ntest_table_4\n")
|
|
check_query(clickhouse_node, "DESC test_database.test_table_4 FORMAT TSV", "id\tInt32\t\t\t\t\t\n_sign\tInt8\tMATERIALIZED\t1\t\t\t\n_version\tUInt64\tMATERIALIZED\t1\t\t\t\n")
|
|
|
|
mysql_node.query("INSERT INTO test_database.test_table_4 VALUES(1), (2), (3), (4), (5)")
|
|
check_query(clickhouse_node, "SELECT * FROM test_database.test_table_4 ORDER BY id FORMAT TSV", "1\n2\n3\n4\n5\n")
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|
|
|
mysql_node.query("DROP DATABASE test_database")
|
|
clickhouse_node.query("DROP DATABASE test_database")
|