DROP TABLE IF EXISTS test.t1;
CREATE TABLE test.t1(id INT);
START TRANSACTION;
INSERT INTO test.t1 VALUES (1);
COMMIT;
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	0
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	1
SELECT COUNT(*) FROM test.t1;
COUNT(*)
1
DELETE FROM test.t1;
FLUSH STATUS;
START TRANSACTION;
INSERT INTO test.t1 VALUES (1);
INSERT INTO test.t1 VALUES (2);
INSERT INTO test.t1 VALUES (3);
COMMIT;
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	0
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	1
SELECT COUNT(*) FROM test.t1;
COUNT(*)
3
DELETE FROM test.t1;
FLUSH STATUS;
START TRANSACTION;
INSERT INTO test.t1 VALUES (1), (2), (3);
COMMIT;
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	0
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	1
SELECT COUNT(*) FROM test.t1;
COUNT(*)
3
DELETE FROM test.t1;
FLUSH STATUS;
INSERT INTO test.t1 VALUES (1);
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	1
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	0
SELECT COUNT(*) FROM test.t1;
COUNT(*)
1
DELETE FROM test.t1;
FLUSH STATUS;
INSERT INTO test.t1 VALUES (1);
INSERT INTO test.t1 VALUES (2);
INSERT INTO test.t1 VALUES (3);
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	3
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	0
SELECT COUNT(*) FROM test.t1;
COUNT(*)
3
DELETE FROM test.t1;
FLUSH STATUS;
DROP TABLE IF EXISTS test.t2;
CREATE TABLE test.t2(id int);
START TRANSACTION;
INSERT INTO test.t1 VALUES (1);
INSERT INTO test.t2 VALUES (1);
ERROR HY000: Invalid insert target
COMMIT;
SELECT COUNT(*) FROM test.t2;
COUNT(*)
0
DROP TABLE test.t2;
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	0
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	1
SELECT COUNT(*) FROM test.t1;
COUNT(*)
1
DELETE FROM test.t1;
FLUSH STATUS;
CREATE TABLE test.t2(id int);
START TRANSACTION;
INSERT INTO test.t1 VALUES (1);
SELECT 1;
1
1
INSERT INTO test.t2 VALUES (1);
COMMIT;
SELECT COUNT(*) FROM test.t2;
COUNT(*)
1
DROP TABLE test.t2;
SHOW STATUS LIKE 'COM_INSERT';
Variable_name	Value
Com_insert	0
SHOW STATUS LIKE 'COM_LOAD';
Variable_name	Value
Com_load	2
SELECT COUNT(*) FROM test.t1;
COUNT(*)
1
DELETE FROM test.t1;
FLUSH STATUS;
DROP TABLE test.t1;