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# CREATE TABLE ... KEY_BLOCK_SIZE=8; does not work with page size = 4k
# Check the default value
SELECT @@global.innodb_cmp_per_index_enabled;
# should be a boolean
-- error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL innodb_stats_persistent=123;
-- error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL innodb_stats_persistent='foo';
# Check that changing value works and that setting the same value again
# is as expected
SET GLOBAL innodb_cmp_per_index_enabled=ON;
SELECT @@global.innodb_cmp_per_index_enabled;
SET GLOBAL innodb_cmp_per_index_enabled=ON;
SELECT @@global.innodb_cmp_per_index_enabled;
SET GLOBAL innodb_cmp_per_index_enabled=OFF;
SELECT @@global.innodb_cmp_per_index_enabled;
SET GLOBAL innodb_cmp_per_index_enabled=OFF;
SELECT @@global.innodb_cmp_per_index_enabled;
-- vertical_results
# Check that enabling after being disabled resets the stats
SET GLOBAL innodb_cmp_per_index_enabled=ON;
CREATE TABLE t (a INT) ENGINE=INNODB KEY_BLOCK_SIZE=8;
INSERT INTO t VALUES (1);
SELECT * FROM information_schema.innodb_cmp_per_index;
SET GLOBAL innodb_cmp_per_index_enabled=OFF;
SET GLOBAL innodb_cmp_per_index_enabled=ON;
SELECT * FROM information_schema.innodb_cmp_per_index;
DROP TABLE t;
# Check that enabling after being enabled does not reset the stats
SET GLOBAL innodb_cmp_per_index_enabled=ON;
CREATE TABLE t (a INT) ENGINE=INNODB KEY_BLOCK_SIZE=8;
INSERT INTO t VALUES (1);
SELECT * FROM information_schema.innodb_cmp_per_index;
SET GLOBAL innodb_cmp_per_index_enabled=ON;
SELECT * FROM information_schema.innodb_cmp_per_index;
DROP TABLE t;
#
SET GLOBAL innodb_cmp_per_index_enabled=default;
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