config root man

CREATE TABLE test_ps_fetch_nonexistent
(a INT, PRIMARY KEY (a))
ENGINE=INNODB STATS_PERSISTENT=1;
ANALYZE TABLE test_ps_fetch_nonexistent;
Table	test.test_ps_fetch_nonexistent
Op	analyze
Msg_type	status
Msg_text	OK
SELECT COUNT(*)
FROM mysql.innodb_table_stats WHERE table_name = 'test_ps_fetch_nonexistent';
COUNT(*)	1
DELETE FROM mysql.innodb_index_stats WHERE table_name = 'test_ps_fetch_nonexistent';
DELETE FROM mysql.innodb_table_stats WHERE table_name = 'test_ps_fetch_nonexistent';
FLUSH TABLE test_ps_fetch_nonexistent;
SELECT seq_in_index, column_name, cardinality
FROM information_schema.statistics WHERE table_name = 'test_ps_fetch_nonexistent'
ORDER BY index_name, seq_in_index;
seq_in_index	1
column_name	a
cardinality	0
SELECT table_rows, avg_row_length, max_data_length, index_length
FROM information_schema.tables WHERE table_name = 'test_ps_fetch_nonexistent';
table_rows	0
avg_row_length	0
max_data_length	0
index_length	0
DROP TABLE test_ps_fetch_nonexistent;