def test_freeze_unfreeze(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 4096))) node.query("ALTER TABLE s3_test FREEZE WITH NAME 'backup1'") node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-04", 4096))) node.query("ALTER TABLE s3_test FREEZE WITH NAME 'backup2'") node.query("TRUNCATE TABLE s3_test") assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2) # Unfreeze single partition from backup1. node.query( "ALTER TABLE s3_test UNFREEZE PARTITION '2020-01-03' WITH NAME 'backup1'" ) # Unfreeze all partitions from backup2. node.query("ALTER TABLE s3_test UNFREEZE WITH NAME 'backup2'") # Data should be removed from S3. assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD)
def test_simple_insert_select(cluster, min_rows_for_wide_part, files_per_part): create_table( cluster, "hdfs_test", additional_settings="min_rows_for_wide_part={}".format(min_rows_for_wide_part), ) node = cluster.instances["node"] values1 = generate_values("2020-01-03", 4096) node.query("INSERT INTO hdfs_test VALUES {}".format(values1)) assert ( node.query("SELECT * FROM hdfs_test order by dt, id FORMAT Values") == values1 ) fs = HdfsClient(hosts=cluster.hdfs_ip) hdfs_objects = fs.listdir("/clickhouse") print(hdfs_objects) assert len(hdfs_objects) == FILES_OVERHEAD + files_per_part values2 = generate_values("2020-01-04", 4096) node.query("INSERT INTO hdfs_test VALUES {}".format(values2)) assert ( node.query("SELECT * FROM hdfs_test ORDER BY dt, id FORMAT Values") == values1 + "," + values2 ) hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + files_per_part * 2 assert ( node.query("SELECT count(*) FROM hdfs_test where id = 1 FORMAT Values") == "(2)" )
def test_move_partition_to_another_disk(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 4096))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-04", 4096))) assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2) node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-04' TO DISK 'hdd'") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE) node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-04' TO DISK 's3'") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2)
def test_s3_disk_apply_new_settings(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") def get_s3_requests(): node.query("SYSTEM FLUSH LOGS") return int( node.query( "SELECT value FROM system.events WHERE event='S3WriteRequestsCount'" )) s3_requests_before = get_s3_requests() node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 4096))) s3_requests_to_write_partition = get_s3_requests() - s3_requests_before # Force multi-part upload mode. replace_config( CONFIG_PATH, "<s3_max_single_part_upload_size>33554432</s3_max_single_part_upload_size>", "<s3_max_single_part_upload_size>0</s3_max_single_part_upload_size>", ) node.query("SYSTEM RELOAD CONFIG") s3_requests_before = get_s3_requests() node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-04", 4096, -1))) # There should be 3 times more S3 requests because multi-part upload mode uses 3 requests to upload object. assert get_s3_requests( ) - s3_requests_before == s3_requests_to_write_partition * 3
def test_simple_insert_select(cluster, min_rows_for_wide_part, files_per_part, node_name): node = cluster.instances[node_name] create_table(node, "s3_test", min_rows_for_wide_part=min_rows_for_wide_part) minio = cluster.minio_client values1 = generate_values("2020-01-03", 4096) node.query("INSERT INTO s3_test VALUES {}".format(values1)) assert node.query( "SELECT * FROM s3_test order by dt, id FORMAT Values") == values1 assert (len(list(minio.list_objects( cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + files_per_part) values2 = generate_values("2020-01-04", 4096) node.query("INSERT INTO s3_test VALUES {}".format(values2)) assert (node.query("SELECT * FROM s3_test ORDER BY dt, id FORMAT Values") == values1 + "," + values2) assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + files_per_part * 2) assert (node.query( "SELECT count(*) FROM s3_test where id = 1 FORMAT Values") == "(2)")
def test_table_manipulations(cluster): create_table(cluster, "hdfs_test") node = cluster.instances["node"] fs = HdfsClient(hosts=cluster.hdfs_ip) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-03", 4096)) ) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-04", 4096)) ) node.query("RENAME TABLE hdfs_test TO hdfs_renamed") assert node.query("SELECT count(*) FROM hdfs_renamed FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("RENAME TABLE hdfs_renamed TO hdfs_test") assert node.query("CHECK TABLE hdfs_test FORMAT Values") == "(1)" node.query("DETACH TABLE hdfs_test") node.query("ATTACH TABLE hdfs_test") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("TRUNCATE TABLE hdfs_test") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(0)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD
def test_alter_table_columns(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096, -1))) node.query("ALTER TABLE s3_test ADD COLUMN col1 UInt64 DEFAULT 1") # To ensure parts have merged node.query("OPTIMIZE TABLE s3_test") assert node.query("SELECT sum(col1) FROM s3_test FORMAT Values") == "(8192)" assert node.query("SELECT sum(col1) FROM s3_test WHERE id > 0 FORMAT Values") == "(4096)" wait_for_delete_s3_objects(cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN) node.query("ALTER TABLE s3_test MODIFY COLUMN col1 String", settings={"mutations_sync": 2}) assert node.query("SELECT distinct(col1) FROM s3_test FORMAT Values") == "('1')" # and file with mutation wait_for_delete_s3_objects(cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN + 1) node.query("ALTER TABLE s3_test DROP COLUMN col1", settings={"mutations_sync": 2}) # and 2 files with mutations wait_for_delete_s3_objects(cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + 2)
def test_move_partition_to_another_disk(cluster): create_table(cluster, "hdfs_test") node = cluster.instances["node"] fs = HdfsClient(hosts=cluster.hdfs_ip) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-03", 4096)) ) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-04", 4096)) ) assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE hdfs_test MOVE PARTITION '2020-01-04' TO DISK 'hdd'") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE node.query("ALTER TABLE hdfs_test MOVE PARTITION '2020-01-04' TO DISK 'hdfs'") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
def test_attach_detach_partition(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096))) assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE s3_test DETACH PARTITION '2020-01-03'") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(4096)" assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE s3_test ATTACH PARTITION '2020-01-03'") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE s3_test DROP PARTITION '2020-01-03'") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(4096)" assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE node.query("ALTER TABLE s3_test DETACH PARTITION '2020-01-04'") node.query("ALTER TABLE s3_test DROP DETACHED PARTITION '2020-01-04'", settings={"allow_drop_detached": 1}) assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)" assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD
def test_table_manipulations(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096))) node.query("RENAME TABLE s3_test TO s3_renamed") assert node.query("SELECT count(*) FROM s3_renamed FORMAT Values") == "(8192)" assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("RENAME TABLE s3_renamed TO s3_test") assert node.query("CHECK TABLE s3_test FORMAT Values") == "(1)" node.query("DETACH TABLE s3_test") node.query("ATTACH TABLE s3_test") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("TRUNCATE TABLE s3_test") assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)" assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD
def test_freeze_system_unfreeze(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") create_table(node, "s3_test_removed") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-04", 4096))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-04", 4096))) node.query("ALTER TABLE s3_test FREEZE WITH NAME 'backup3'") node.query("ALTER TABLE s3_test_removed FREEZE WITH NAME 'backup3'") node.query("TRUNCATE TABLE s3_test") node.query("DROP TABLE s3_test_removed NO DELAY") assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2) # Unfreeze all data from backup3. node.query("SYSTEM UNFREEZE WITH NAME 'backup3'") # Data should be removed from S3. assert (len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == FILES_OVERHEAD)
def test_s3_disk_restart_during_load(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 1024 * 1024))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-05', 1024 * 1024, -1))) def read(): for ii in range(0, 20): logging.info("Executing %d query", ii) assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" logging.info("Query %d executed", ii) time.sleep(0.2) def restart_disk(): for iii in range(0, 5): logging.info("Restarting disk, attempt %d", iii) node.query("SYSTEM RESTART DISK s3") logging.info("Disk restarted, attempt %d", iii) time.sleep(0.5) threads = [] for i in range(0, 4): threads.append(SafeThread(target=read)) threads.append(SafeThread(target=restart_disk)) for thread in threads: thread.start() for thread in threads: thread.join()
def test_inserts_selects(cluster): node = cluster.instances[NODE_NAME] create_table(node, TABLE_NAME) values1 = generate_values('2020-01-03', 4096) azure_query(node, f"INSERT INTO {TABLE_NAME} VALUES {values1}") assert azure_query(node, f"SELECT * FROM {TABLE_NAME} order by dt, id FORMAT Values") == values1 values2 = generate_values('2020-01-04', 4096) azure_query(node, f"INSERT INTO {TABLE_NAME} VALUES {values2}") assert azure_query(node, f"SELECT * FROM {TABLE_NAME} ORDER BY dt, id FORMAT Values") == values1 + "," + values2 assert azure_query(node, f"SELECT count(*) FROM {TABLE_NAME} where id = 1 FORMAT Values") == "(2)"
def test_alter_table_columns(cluster): create_table(cluster, "hdfs_test") node = cluster.instances["node"] fs = HdfsClient(hosts=cluster.hdfs_ip) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-03", 4096)) ) node.query( "INSERT INTO hdfs_test VALUES {}".format( generate_values("2020-01-03", 4096, -1) ) ) node.query("ALTER TABLE hdfs_test ADD COLUMN col1 UInt64 DEFAULT 1") # To ensure parts have merged node.query("OPTIMIZE TABLE hdfs_test") assert node.query("SELECT sum(col1) FROM hdfs_test FORMAT Values") == "(8192)" assert ( node.query("SELECT sum(col1) FROM hdfs_test WHERE id > 0 FORMAT Values") == "(4096)" ) wait_for_delete_hdfs_objects( cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN, ) node.query( "ALTER TABLE hdfs_test MODIFY COLUMN col1 String", settings={"mutations_sync": 2}, ) assert node.query("SELECT distinct(col1) FROM hdfs_test FORMAT Values") == "('1')" # and file with mutation wait_for_delete_hdfs_objects( cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN + 1, ) node.query("ALTER TABLE hdfs_test DROP COLUMN col1", settings={"mutations_sync": 2}) # and 2 files with mutations wait_for_delete_hdfs_objects( cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + 2 )
def test_attach_detach_partition(cluster): create_table(cluster, "hdfs_test") node = cluster.instances["node"] fs = HdfsClient(hosts=cluster.hdfs_ip) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-03", 4096)) ) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-04", 4096)) ) assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE hdfs_test DETACH PARTITION '2020-01-03'") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(4096)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE hdfs_test ATTACH PARTITION '2020-01-03'") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2 node.query("ALTER TABLE hdfs_test DROP PARTITION '2020-01-03'") assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(4096)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE node.query("ALTER TABLE hdfs_test DETACH PARTITION '2020-01-04'") node.query( "ALTER TABLE hdfs_test DROP DETACHED PARTITION '2020-01-04'", settings={"allow_drop_detached": 1}, ) assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(0)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD
def test_insert_same_partition_and_merge(cluster, merge_vertical, node_name): settings = {} if merge_vertical: settings["vertical_merge_algorithm_min_rows_to_activate"] = 0 settings["vertical_merge_algorithm_min_columns_to_activate"] = 0 node = cluster.instances[node_name] create_table(node, "s3_test", **settings) minio = cluster.minio_client node.query("SYSTEM STOP MERGES s3_test") node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 1024))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 2048))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 4096))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 1024, -1))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 2048, -1))) node.query("INSERT INTO s3_test VALUES {}".format( generate_values("2020-01-03", 4096, -1))) assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert (node.query("SELECT count(distinct(id)) FROM s3_test FORMAT Values") == "(8192)") assert (len(list(minio.list_objects( cluster.minio_bucket, "data/"))) == FILES_OVERHEAD_PER_PART_WIDE * 6 + FILES_OVERHEAD) node.query("SYSTEM START MERGES s3_test") # Wait for merges and old parts deletion for attempt in range(0, 10): parts_count = node.query( "SELECT COUNT(*) FROM system.parts WHERE table = 's3_test' and active = 1 FORMAT Values" ) if parts_count == "(1)": break if attempt == 9: assert parts_count == "(1)" time.sleep(1) assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert (node.query("SELECT count(distinct(id)) FROM s3_test FORMAT Values") == "(8192)") wait_for_delete_s3_objects(cluster, FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD, timeout=45)
def test_move_replace_partition_to_another_table(cluster, node_name): node = cluster.instances[node_name] create_table(node, "s3_test") minio = cluster.minio_client node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-05', 4096, -1))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-06', 4096, -1))) assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)" assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4 create_table(node, "s3_clone") node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-03' TO TABLE s3_clone") node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-05' TO TABLE s3_clone") assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)" assert node.query("SELECT sum(id) FROM s3_clone FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_clone FORMAT Values") == "(8192)" # Number of objects in S3 should be unchanged. assert len(list( minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 4 # Add new partitions to source table, but with different values and replace them from copied table. node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096, -1))) node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-05', 4096))) assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)" assert len(list( minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 6 node.query("ALTER TABLE s3_test REPLACE PARTITION '2020-01-03' FROM s3_clone") node.query("ALTER TABLE s3_test REPLACE PARTITION '2020-01-05' FROM s3_clone") assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)" assert node.query("SELECT sum(id) FROM s3_clone FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_clone FORMAT Values") == "(8192)" # Wait for outdated partitions deletion. wait_for_delete_s3_objects(cluster, FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 4) node.query("DROP TABLE s3_clone NO DELAY") assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)" # Data should remain in S3 assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4 node.query("ALTER TABLE s3_test FREEZE") # Number S3 objects should be unchanged. assert len( list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4 node.query("DROP TABLE s3_test NO DELAY") # Backup data should remain in S3. wait_for_delete_s3_objects(cluster, FILES_OVERHEAD_PER_PART_WIDE * 4) for obj in list(minio.list_objects(cluster.minio_bucket, 'data/')): minio.remove_object(cluster.minio_bucket, obj.object_name)
def test_move_replace_partition_to_another_table(cluster): create_table(cluster, "hdfs_test") node = cluster.instances["node"] fs = HdfsClient(hosts=cluster.hdfs_ip) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-03", 4096)) ) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-04", 4096)) ) node.query( "INSERT INTO hdfs_test VALUES {}".format( generate_values("2020-01-05", 4096, -1) ) ) node.query( "INSERT INTO hdfs_test VALUES {}".format( generate_values("2020-01-06", 4096, -1) ) ) assert node.query("SELECT sum(id) FROM hdfs_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(16384)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4 create_table(cluster, "hdfs_clone") node.query("ALTER TABLE hdfs_test MOVE PARTITION '2020-01-03' TO TABLE hdfs_clone") node.query("ALTER TABLE hdfs_test MOVE PARTITION '2020-01-05' TO TABLE hdfs_clone") assert node.query("SELECT sum(id) FROM hdfs_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(8192)" assert node.query("SELECT sum(id) FROM hdfs_clone FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_clone FORMAT Values") == "(8192)" # Number of objects in HDFS should be unchanged. hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 4 # Add new partitions to source table, but with different values and replace them from copied table. node.query( "INSERT INTO hdfs_test VALUES {}".format( generate_values("2020-01-03", 4096, -1) ) ) node.query( "INSERT INTO hdfs_test VALUES {}".format(generate_values("2020-01-05", 4096)) ) assert node.query("SELECT sum(id) FROM hdfs_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(16384)" hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 6 node.query("ALTER TABLE hdfs_test REPLACE PARTITION '2020-01-03' FROM hdfs_clone") node.query("ALTER TABLE hdfs_test REPLACE PARTITION '2020-01-05' FROM hdfs_clone") assert node.query("SELECT sum(id) FROM hdfs_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(16384)" assert node.query("SELECT sum(id) FROM hdfs_clone FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_clone FORMAT Values") == "(8192)" # Wait for outdated partitions deletion. print(1) wait_for_delete_hdfs_objects( cluster, FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 4 ) node.query("DROP TABLE hdfs_clone NO DELAY") assert node.query("SELECT sum(id) FROM hdfs_test FORMAT Values") == "(0)" assert node.query("SELECT count(*) FROM hdfs_test FORMAT Values") == "(16384)" # Data should remain in hdfs hdfs_objects = fs.listdir("/clickhouse") assert len(hdfs_objects) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4