INSERT INTO posts VALUES (null,'tilte','text',55,null)
INSERT INTO posts VALUES (null,'tilte','text',55,'')
INSERT INTO posts VALUES (null,'tilte','text',55,'2019-09-31 23:59:59')
Incorrect datetime value: '' for column 'date' at row 1
INSERT INTO posts VALUES (null,'tilte','text',55,'2019-09-31 23:59:59')