Update 1.1-alter-sequence.md

docs/MatrixOne/Reference/SQL-Reference/Data-Definition-Language/1.1-alter-sequence.md

@@ -38,47 +38,82 @@
 -- Create a sequence named alter_seq_01 with an increment of 2, a minimum value of 30, a maximum value of 100, and enable cycling
 create sequence alter_seq_01 as smallint increment by 2 minvalue 30 maxvalue 100 cycle;
 
-mysql> select * from alter_seq_01;
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-| last_seq_num | min_value | max_value | start_value | increment_value | cycle | is_called |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-|           30 |        30 |       100 |          30 |               2 | true  | false     |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
+mysql> show sequences;
++--------------+-----------+
+| Names        | Data Type |
++--------------+-----------+
+| alter_seq_01 | SMALLINT  |
++--------------+-----------+
+1 row in set (0.00 sec)
+
+mysql> alter sequence alter_seq_01 as bigint;
+Query OK, 0 rows affected (0.01 sec)
+
+mysql> show sequences;
++--------------+-----------+
+| Names        | Data Type |
++--------------+-----------+
+| alter_seq_01 | BIGINT    |
++--------------+-----------+
 1 row in set (0.00 sec)
 
 -- Remove cycling for sequence alter_seq_01
 mysql> alter sequence alter_seq_01 no cycle;
 Query OK, 0 rows affected (0.01 sec)
 
-mysql> select * from alter_seq_01;
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-| last_seq_num | min_value | max_value | start_value | increment_value | cycle | is_called |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-|           30 |        30 |       100 |          30 |               2 | false | false     |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
+mysql> select nextval('alter_seq_01'),currval('alter_seq_01');
++-----------------------+-----------------------+
+| nextval(alter_seq_01) | currval(alter_seq_01) |
++-----------------------+-----------------------+
+| 30                    | 30                    |
++-----------------------+-----------------------+
+1 row in set (0.01 sec)
+
+mysql> select nextval('alter_seq_01'),currval('alter_seq_01');
++-----------------------+-----------------------+
+| nextval(alter_seq_01) | currval(alter_seq_01) |
++-----------------------+-----------------------+
+| 32                    | 32                    |
++-----------------------+-----------------------+
 1 row in set (0.00 sec)
 
 -- Set the starting value of sequence alter_seq_01 to 40
 mysql> alter sequence alter_seq_01 start with 40;
 Query OK, 0 rows affected (0.01 sec)
 
-mysql> select * from alter_seq_01;
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-| last_seq_num | min_value | max_value | start_value | increment_value | cycle | is_called |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-|           40 |        30 |       100 |          40 |               3 | false | false     |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
+mysql> select nextval('alter_seq_01'),currval('alter_seq_01');
++-----------------------+-----------------------+
+| nextval(alter_seq_01) | currval(alter_seq_01) |
++-----------------------+-----------------------+
+| 40                    | 40                    |
++-----------------------+-----------------------+
 1 row in set (0.01 sec)
 
+mysql> select nextval('alter_seq_01'),currval('alter_seq_01');
++-----------------------+-----------------------+
+| nextval(alter_seq_01) | currval(alter_seq_01) |
++-----------------------+-----------------------+
+| 42                    | 42                    |
++-----------------------+-----------------------+
+1 row in set (0.00 sec)
+
 -- Set the increment value of sequence alter_seq_01 to 3
 mysql> alter sequence alter_seq_01 increment by 3;
 Query OK, 0 rows affected (0.01 sec)
 
-mysql> select * from alter_seq_01;
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-| last_seq_num | min_value | max_value | start_value | increment_value | cycle | is_called |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
-|           40 |        30 |       100 |          40 |               3 | false | false     |
-+--------------+-----------+-----------+-------------+-----------------+-------+-----------+
+mysql> select nextval('alter_seq_01'),currval('alter_seq_01');
++-----------------------+-----------------------+
+| nextval(alter_seq_01) | currval(alter_seq_01) |
++-----------------------+-----------------------+
+| 40                    | 40                    |
++-----------------------+-----------------------+
+1 row in set (0.00 sec)
+
+mysql> select nextval('alter_seq_01'),currval('alter_seq_01');
++-----------------------+-----------------------+
+| nextval(alter_seq_01) | currval(alter_seq_01) |
++-----------------------+-----------------------+
+| 43                    | 43                    |
++-----------------------+-----------------------+
 1 row in set (0.00 sec)
 ```