| Current Path : /usr/opt/mysql57/mysql-test/suite/innodb/t/ |
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| Current File : //usr/opt/mysql57/mysql-test/suite/innodb/t/innodb_stats_rename_table_if_exists.test |
#
# Test what happens during RENAME TABLE if there are already rows in the stats
# tables for the new table. This cannot happen normally, one have to insert
# manually like what we do here.
#
# The RENAME should succeed and existent rows should be overwritten.
#
-- source include/have_innodb.inc
-- vertical_results
CREATE TABLE stats_rename1 (a INT, PRIMARY KEY (a))
ENGINE=INNODB STATS_PERSISTENT=1;
INSERT INTO mysql.innodb_table_stats
SELECT
database_name,
'stats_rename2' AS table_name,
last_update,
123 AS n_rows,
clustered_index_size,
sum_of_other_index_sizes
FROM mysql.innodb_table_stats
WHERE table_name = 'stats_rename1';
INSERT INTO mysql.innodb_index_stats
SELECT
database_name,
'stats_rename2' AS table_name,
index_name,
last_update,
stat_name,
567 AS stat_value,
sample_size,
stat_description
FROM mysql.innodb_index_stats
WHERE table_name = 'stats_rename1';
SELECT table_name, n_rows
FROM mysql.innodb_table_stats
WHERE table_name IN ('stats_rename1', 'stats_rename2');
SELECT table_name, index_name, stat_name, stat_value
FROM mysql.innodb_index_stats
WHERE table_name IN ('stats_rename1', 'stats_rename2');
RENAME TABLE stats_rename1 TO stats_rename2;
SELECT table_name, n_rows
FROM mysql.innodb_table_stats
WHERE table_name IN ('stats_rename1', 'stats_rename2');
SELECT table_name, index_name, stat_name, stat_value
FROM mysql.innodb_index_stats
WHERE table_name IN ('stats_rename1', 'stats_rename2');
DROP TABLE stats_rename2;