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set global innodb_stats_auto_recalc=off;
CREATE TABLE t1 (i int) ENGINE=InnoDB;
SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
test/t1 1 0 0
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
test/t1 1 2 2
DELETE FROM t1 WHERE i = 1;
SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
test/t1 1 1 3
UPDATE t1 SET i = 4 WHERE i = 2;
SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
test/t1 1 1 4
DROP TABLE t1;
set global innodb_stats_auto_recalc=default;
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