set @save_use_stat_tables =  @@use_stat_tables;
set @@use_stat_tables = COMPLEMENTARY;
CREATE TABLE test_ps_fetch
(a INT, b INT, c INT, d INT, PRIMARY KEY (a, b), INDEX idx (c, d))
ENGINE=INNODB STATS_PERSISTENT=1;
ANALYZE TABLE test_ps_fetch;
Table	test.test_ps_fetch
Op	analyze
Msg_type	status
Msg_text	Engine-independent statistics collected
Table	test.test_ps_fetch
Op	analyze
Msg_type	status
Msg_text	OK
SELECT n_rows, clustered_index_size, sum_of_other_index_sizes
FROM mysql.innodb_table_stats WHERE table_name = 'test_ps_fetch';
n_rows	0
clustered_index_size	1
sum_of_other_index_sizes	1
SELECT index_name, stat_name, stat_value, sample_size, stat_description
FROM mysql.innodb_index_stats WHERE table_name = 'test_ps_fetch'
ORDER BY index_name, stat_name;
index_name	PRIMARY
stat_name	n_diff_pfx01
stat_value	0
sample_size	1
stat_description	a
index_name	PRIMARY
stat_name	n_diff_pfx02
stat_value	0
sample_size	1
stat_description	a,b
index_name	PRIMARY
stat_name	n_leaf_pages
stat_value	1
sample_size	NULL
stat_description	Number of leaf pages in the index
index_name	PRIMARY
stat_name	size
stat_value	1
sample_size	NULL
stat_description	Number of pages in the index
index_name	idx
stat_name	n_diff_pfx01
stat_value	0
sample_size	1
stat_description	c
index_name	idx
stat_name	n_diff_pfx02
stat_value	0
sample_size	1
stat_description	c,d
index_name	idx
stat_name	n_diff_pfx03
stat_value	0
sample_size	1
stat_description	c,d,a
index_name	idx
stat_name	n_diff_pfx04
stat_value	0
sample_size	1
stat_description	c,d,a,b
index_name	idx
stat_name	n_leaf_pages
stat_value	1
sample_size	NULL
stat_description	Number of leaf pages in the index
index_name	idx
stat_name	size
stat_value	1
sample_size	NULL
stat_description	Number of pages in the index
SELECT index_name, seq_in_index, column_name, cardinality
FROM information_schema.statistics WHERE table_name = 'test_ps_fetch'
ORDER BY index_name, seq_in_index;
index_name	idx
seq_in_index	1
column_name	c
cardinality	0
index_name	idx
seq_in_index	2
column_name	d
cardinality	0
index_name	PRIMARY
seq_in_index	1
column_name	a
cardinality	0
index_name	PRIMARY
seq_in_index	2
column_name	b
cardinality	0
SELECT
table_rows, avg_row_length, max_data_length, index_length
FROM information_schema.tables WHERE table_name = 'test_ps_fetch';
table_rows	0
avg_row_length	0
max_data_length	0
index_length	16384
UPDATE mysql.innodb_table_stats SET
n_rows = 1000,
clustered_index_size = 5
WHERE
table_name = 'test_ps_fetch';
UPDATE mysql.innodb_index_stats SET
stat_value = 20
WHERE
table_name = 'test_ps_fetch' AND
index_name = 'PRIMARY' AND
stat_name = 'n_diff_pfx01';
UPDATE mysql.innodb_index_stats SET
stat_value = 90
WHERE
table_name = 'test_ps_fetch' AND
index_name = 'PRIMARY' AND
stat_name = 'n_diff_pfx02';
UPDATE mysql.innodb_index_stats SET
stat_value = 3
WHERE
table_name = 'test_ps_fetch' AND
index_name = 'idx' AND
stat_name = 'n_diff_pfx01';
UPDATE mysql.innodb_index_stats SET
stat_value = 11
WHERE
table_name = 'test_ps_fetch' AND
index_name = 'idx' AND
stat_name = 'n_diff_pfx02';
FLUSH TABLE test_ps_fetch;
SELECT seq_in_index, column_name, cardinality
FROM information_schema.statistics WHERE table_name = 'test_ps_fetch'
ORDER BY index_name, seq_in_index;
seq_in_index	1
column_name	c
cardinality	3
seq_in_index	2
column_name	d
cardinality	11
seq_in_index	1
column_name	a
cardinality	20
seq_in_index	2
column_name	b
cardinality	90
SELECT
table_rows, avg_row_length, max_data_length, index_length
FROM information_schema.tables WHERE table_name = 'test_ps_fetch';
table_rows	1000
avg_row_length	81
max_data_length	0
index_length	16384
DROP TABLE test_ps_fetch;
set @@use_stat_tables = @save_use_stat_tables;
#
# MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED
#
CREATE TABLE t1(f1 VARCHAR(255), FULLTEXT(f1))ENGINE=InnoDB;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES LIMIT ROWS EXAMINED 5;
Warnings:
Level	Warning
Code	1931
Message	Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 5. The query result may be incomplete
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES LIMIT ROWS EXAMINED 5;
Warnings:
Level	Warning
Code	1931
Message	Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 5. The query result may be incomplete
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS LIMIT ROWS EXAMINED 5;
Warnings:
Level	Warning
Code	1931
Message	Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 5. The query result may be incomplete
SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES LIMIT ROWS EXAMINED 5;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_VIRTUAL LIMIT ROWS EXAMINED 5;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN LIMIT ROWS EXAMINED 5;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS LIMIT ROWS EXAMINED 5;
DROP TABLE t1;
#
# MDEV-33462 Disallow LOCK=NONE operation on statistics table
#
ALTER TABLE mysql.innodb_table_stats FORCE, LOCK=NONE, ALGORITHM=INPLACE;
ERROR 0A000: LOCK=NONE is not supported. Reason: innodb_table_stats. Try LOCK=SHARED
ALTER TABLE mysql.innodb_index_stats FORCE, LOCK=NONE, ALGORITHM=INPLACE;
ERROR 0A000: LOCK=NONE is not supported. Reason: innodb_index_stats. Try LOCK=SHARED
#
#  MDEV-34474 InnoDB: Failing assertion: stat_n_leaf_pages > 0
#           in ha_innobase::estimate_rows_upper_bound
#
CREATE TABLE t (c1 INT,c2 INT,
INDEX(c1))STATS_PERSISTENT=1 ENGINE=INNODB;
UPDATE mysql.innodb_index_stats SET stat_value=0 WHERE database_name like "test" and table_name like 't';
UPDATE mysql.innodb_table_stats SET clustered_index_size= 0, sum_of_other_index_sizes=0 WHERE database_name like "test" and table_name like 't';
UPDATE t SET c1=+1 ORDER BY c2;
DROP TABLE t;