ClickHouse/tests/queries/0_stateless/01155_rename_move_materialized_view.sql

DROP DATABASE IF EXISTS test_01155_ordinary;
DROP DATABASE IF EXISTS test_01155_atomic;

CREATE DATABASE test_01155_ordinary ENGINE=Ordinary;
CREATE DATABASE test_01155_atomic ENGINE=Atomic;

USE test_01155_ordinary;
CREATE TABLE src (s String) ENGINE=MergeTree() PARTITION BY tuple() ORDER BY s;
CREATE MATERIALIZED VIEW mv1 (s String) ENGINE=MergeTree() PARTITION BY tuple() ORDER BY s AS SELECT (*,).1 || 'mv1' as s FROM src;
CREATE TABLE dst (s String) ENGINE=MergeTree() PARTITION BY tuple() ORDER BY s;
CREATE MATERIALIZED VIEW mv2 TO dst (s String) AS SELECT (*,).1 || 'mv2' as s FROM src;
INSERT INTO src VALUES ('before moving tables');
SELECT 1, substr(_table, 1, 10), s FROM merge('test_01155_ordinary', '') ORDER BY _table, s;

-- Move tables with materialized views from Ordinary to Atomic
SELECT 'ordinary:';
SHOW TABLES FROM test_01155_ordinary;
RENAME TABLE test_01155_ordinary.mv1 TO test_01155_atomic.mv1;
RENAME TABLE test_01155_ordinary.mv2 TO test_01155_atomic.mv2;
RENAME TABLE test_01155_ordinary.dst TO test_01155_atomic.dst;
RENAME TABLE test_01155_ordinary.src TO test_01155_atomic.src;
SELECT 'ordinary after rename:';
SELECT substr(name, 1, 10) FROM system.tables WHERE database='test_01155_ordinary';
SELECT 'atomic after rename:';
SELECT substr(name, 1, 10) FROM system.tables WHERE database='test_01155_atomic';
DROP DATABASE test_01155_ordinary;
USE default;

INSERT INTO test_01155_atomic.src VALUES ('after moving tables');
SELECT 2, substr(_table, 1, 10), s FROM merge('test_01155_atomic', '') ORDER BY _table, s; -- { serverError 81 }

RENAME DATABASE test_01155_atomic TO test_01155_ordinary;
USE test_01155_ordinary;

INSERT INTO src VALUES ('after renaming database');
SELECT 3, substr(_table, 1, 10), s FROM merge('test_01155_ordinary', '') ORDER BY _table, s;

SELECT substr(name, 1, 10) FROM system.tables WHERE database='test_01155_ordinary';

-- Move tables back
RENAME DATABASE test_01155_ordinary TO test_01155_atomic;

CREATE DATABASE test_01155_ordinary ENGINE=Ordinary;
SHOW CREATE DATABASE test_01155_atomic;

RENAME TABLE test_01155_atomic.mv1 TO test_01155_ordinary.mv1;
RENAME TABLE test_01155_atomic.mv2 TO test_01155_ordinary.mv2;
RENAME TABLE test_01155_atomic.dst TO test_01155_ordinary.dst;
RENAME TABLE test_01155_atomic.src TO test_01155_ordinary.src;

INSERT INTO src VALUES ('after renaming tables');
SELECT 4, substr(_table, 1, 10), s FROM merge('test_01155_ordinary', '') ORDER BY _table, s;
SELECT 'test_01155_ordinary:';
SHOW TABLES FROM test_01155_ordinary;
SELECT 'test_01155_atomic:';
SHOW TABLES FROM test_01155_atomic;

DROP DATABASE IF EXISTS test_01155_atomic;
DROP DATABASE IF EXISTS test_01155_ordinary;