*** Before DROP PARTITION ***
2000-01-01	1
2000-01-01	2
2000-01-01	3
2000-02-01	3
2000-02-01	4
2000-02-01	5
*** After DROP PARTITION ***
2000-02-01	3
2000-02-01	4
2000-02-01	5
*** After INSERT ***
2000-01-01	1
2000-01-01	2
2000-01-01	3
2000-01-01	4
2000-02-01	3
2000-02-01	4
2000-02-01	5
2000-02-01	6
2000-02-01	7