DROP TABLE IF EXISTS rows_events_test; CREATE TABLE rows_events_test (k UInt32, v UInt32) ENGINE = MergeTree ORDER BY k; SYSTEM FLUSH LOGS; TRUNCATE TABLE system.query_log; INSERT INTO rows_events_test VALUES (1,1); SYSTEM FLUSH LOGS; SELECT written_rows FROM system.query_log WHERE query LIKE 'INSERT INTO rows_events_test%' AND type=2; SELECT value FROM ( SELECT ProfileEvents.Names as name, ProfileEvents.Values as value FROM system.query_log ARRAY JOIN ProfileEvents WHERE query LIKE 'INSERT INTO rows_events_test%' AND type=2 ) WHERE name='InsertedRows'; SYSTEM FLUSH LOGS; TRUNCATE TABLE system.query_log; INSERT INTO rows_events_test VALUES (2,2), (3,3); SYSTEM FLUSH LOGS; SELECT written_rows FROM system.query_log WHERE query LIKE 'INSERT INTO rows_events_test%' AND type=2; SELECT value FROM ( SELECT ProfileEvents.Names as name, ProfileEvents.Values as value FROM system.query_log ARRAY JOIN ProfileEvents WHERE query LIKE 'INSERT INTO rows_events_test%' AND type=2 ) WHERE name='InsertedRows'; SYSTEM FLUSH LOGS; TRUNCATE TABLE system.query_log; SELECT * FROM rows_events_test WHERE v = 2; SYSTEM FLUSH LOGS; SELECT read_rows FROM system.query_log WHERE query LIKE 'SELECT * FROM rows_events_test%' AND type=2; SELECT value FROM ( SELECT ProfileEvents.Names as name, ProfileEvents.Values as value FROM system.query_log ARRAY JOIN ProfileEvents WHERE query LIKE 'SELECT * FROM rows_events_test%' AND type=2 ) WHERE name='SelectedRows'; DROP TABLE rows_events_test;