mariadb/mysql-test/suite/innodb/t/innodb_stats_fetch.test
Thirunarayanan Balathandayuthapani d9ffefdaac Merge 10.5 into 10.6
2024-07-10 18:27:23 +02:00

118 lines
3.8 KiB
Text

#
# Test fetching from stats tables after manual update (ie FLUSH TABLE
# can be used to forcibly (re)fetch the stats from disk)
#
-- source include/have_innodb.inc
# Various sizes printed in this test depend on the page size and the
# functionality tested here is not related to the page size, so we only
# test with 16k page size.
-- source include/have_innodb_16k.inc
-- vertical_results
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;
SELECT n_rows, clustered_index_size, sum_of_other_index_sizes
FROM mysql.innodb_table_stats WHERE table_name = 'test_ps_fetch';
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;
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;
SELECT
table_rows, avg_row_length, max_data_length, index_length
FROM information_schema.tables WHERE table_name = 'test_ps_fetch';
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;
SELECT
table_rows, avg_row_length, max_data_length, index_length
FROM information_schema.tables WHERE table_name = 'test_ps_fetch';
DROP TABLE test_ps_fetch;
set @@use_stat_tables = @save_use_stat_tables;
--echo #
--echo # MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED
--echo #
CREATE TABLE t1(f1 VARCHAR(255), FULLTEXT(f1))ENGINE=InnoDB;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES LIMIT ROWS EXAMINED 5;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES LIMIT ROWS EXAMINED 5;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS LIMIT ROWS EXAMINED 5;
--disable_result_log
SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES LIMIT ROWS EXAMINED 5;
--enable_result_log
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;
--echo #
--echo # MDEV-33462 Disallow LOCK=NONE operation on statistics table
--echo #
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE mysql.innodb_table_stats FORCE, LOCK=NONE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE mysql.innodb_index_stats FORCE, LOCK=NONE;
--echo #
--echo # MDEV-34474 InnoDB: Failing assertion: stat_n_leaf_pages > 0
--echo # in ha_innobase::estimate_rows_upper_bound
--echo #
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;