-- Tags: no-random-settings, no-object-storage, no-parallel -- no-parallel: Running `DROP MARK CACHE` can have a big impact on other concurrent tests -- Tag no-object-storage: this test relies on the number of opened files in MergeTree that can differ in object storages SET allow_experimental_dynamic_type = 1; DROP TABLE IF EXISTS test_dynamic; CREATE TABLE test_dynamic (id UInt64, d Dynamic) ENGINE = MergeTree ORDER BY id SETTINGS min_bytes_for_wide_part = 0; INSERT INTO test_dynamic VALUES (1, 'foo'), (2, 1111), (3, [1, 2, 3]); EXPLAIN QUERY TREE SELECT d.String FROM test_dynamic SETTINGS allow_experimental_analyzer = 1; SYSTEM DROP MARK CACHE; SELECT d.String FROM test_dynamic SETTINGS allow_experimental_analyzer = 1; SYSTEM DROP MARK CACHE; SELECT d.String FROM test_dynamic SETTINGS allow_experimental_analyzer = 0; SYSTEM FLUSH LOGS; SELECT ProfileEvents['FileOpen'] FROM system.query_log WHERE (type = 2) AND (query LIKE 'SELECT d.String %test_dynamic%') AND (current_database = currentDatabase()) ORDER BY event_time_microseconds DESC LIMIT 2; DROP TABLE test_dynamic;