执行修改表分区操作时报错

    2. openGauss=#  CREATE TABLE partitiontest
    3. (  
    4. c_time TIMESTAMP WITHOUT TIME ZONE 
    5. ) 
    7. ( 
    8. partition p1 start(100)end(108),  
    9. partition p2 start(108)end(120) 
    10. --使用如下两种语句会发生报错：
    12. ERROR:  start value of partition "p3" NOT EQUAL up-boundary of last partition. 
    13. openGauss=#  ALTER TABLE partitiontest DROP PARTITION p2,ADD PARTITION p3 start(120)end(130); 
    14. ERROR:  start value of partition "p3" NOT EQUAL up-boundary of last partition.
    15. --可以修改语句为：