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select last_insert_id();

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mysql> INSERT INTO t VALUES
    -> (NULL, 'Mary'), (NULL, 'Jane'), (NULL, 'Lisa');
Query OK, 3 rows affected (0.00 sec)
Records: 3  Duplicates: 0  Warnings: 0

mysql> SELECT * from t;
+----+------+
| id | name |
+----+------+
|  1 | Bob  |
|  2 | Mary |
|  3 | Jane |
|  4 | Lisa |
+----+------+
4 rows in set (0.01 sec)

mysql> SELECT LAST_INSERT_ID();
+------------------+
| LAST_INSERT_ID() |
+------------------+
|          &n


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in $W_id int
)
BEGIN
DECLARE $type int DEFAULT 0;
DECLARE $preID int;
DECLARE $nextID int;
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select time from table

time
2009-09-12 12
2009-09-12 13
2009-09-12 14
2009-09-12 15

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time
2009-09-12 12ʱ
2009-09-12 13ʱ
2009-09-12 14ʱ
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