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FLUSH STATUS;
SHOW STATUS LIKE 'Handler_update';
Variable_name Value
Handler_update 0
CREATE TABLE t1 (a int primary key);
INSERT INTO t1 VALUES (1);
SHOW STATUS LIKE 'Handler_update';
Variable_name Value
Handler_update 0
UPDATE t1 SET a=2 WHERE a=1;
SHOW STATUS LIKE 'Handler_update';
Variable_name Value
Handler_update 1
DROP TABLE t1;
FLUSH STATUS;
CREATE TABLE t1 (a int primary key, b varchar(100));
INSERT INTO t1 VALUES (1,"hello"), (2, "goodbye");
UPDATE t1 SET b="world" WHERE a=1;
SHOW STATUS LIKE 'Handler_update';
Variable_name Value
Handler_update 1
UPDATE t1 SET a=a+10;
SHOW STATUS LIKE 'Handler_update';
Variable_name Value
Handler_update 3
DROP TABLE t1;
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