我有下面的表结构: id int AutoIncrement PRIMARY KEY,)INSERT INTO Table_1 (id, message) VALUES (null, null);Error Code:Column 'message' cannot be null
我希望下面的结果具有
$conn) $selectedPermit=$selectedPermit as $permit) $query="SELECT t.PREREQ1, t.PREREQ2, (CASE WHEN (t.PREREQ1 IS NOT NULL) AND (p1.PTYPE IS NULL) THEN 1