这里是我的封装的方法
+ (NSInteger)selectMaxSyncKey_FamilyMembers{ FMResultSet *set = [_db executeQuery:@"SELECT MAX(id) FROM t_familyMembers"]; NSInteger num = 0; while (set.next) { num = [set intForColumn:@"id"];return num; }
+ (NSInteger)selectMaxSyncKey_FamilyMembers{ FMResultSet *set = [_db executeQuery:@"SELECT MAX(id) FROM t_familyMembers"]; NSInteger num = 0; while (set.next) { num = [set intForColumn:@"id"];return num; }
max(id) as id