Re: Différence de comportement de la fonction NOW()
Pour ceux qui ne cerne pas très bien le problème voici un log de requête SQL sur MySQL version 5.0.32 et la version 5.0.51a.
VERSION 5.0.32 :
Your MySQL connection id is 6
Server version: 5.0.32-Debian_7etch8-log Debian etch distribution
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> create database deb;
Query OK, 1 row affected (0.00 sec)
mysql> use deb;
Database changed
mysql> CREATE TABLE `compte` (
-> `date_compte` date NOT NULL,
-> UNIQUE KEY `date_compte` (`date_compte`)
-> );
Query OK, 0 rows affected (0.01 sec)
mysql> select now();
+---------------------+
| now() |
+---------------------+
| 2009-08-26 21:55:35 |
+---------------------+
1 row in set (0.00 sec)
mysql> insert into compte (`date_compte`) values ( "2009-08-26");
Query OK, 1 row affected (0.01 sec)
mysql> select * from compte where `date_compte`="2009-08-26";
+-------------+
| date_compte |
+-------------+
| 2009-08-26 |
+-------------+
1 row in set (0.00 sec)
mysql> select * from compte where `date_compte`=NOW();
+-------------+
| date_compte |
+-------------+
| 2009-08-26 |
+-------------+
1 row in set (0.00 sec)
mysql> drop database deb;
Query OK, 1 row affected (0.01 sec)
mysql> quit
Bye
VERSION 5.0.51a :
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 258
Server version: 5.0.51a-19 (Debian)
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> create database deb;
Query OK, 1 row affected (0.00 sec)
mysql> use deb;
Database changed
mysql> CREATE TABLE `compte` (
-> `date_compte` date NOT NULL,
-> UNIQUE KEY `date_compte` (`date_compte`)
-> );
Query OK, 0 rows affected (0.00 sec)
mysql> insert into compte (`date_compte`) values ( "2009-08-26");
Query OK, 1 row affected (0.00 sec)
mysql> select * from compte where `date_compte`="2009-08-26";
+-------------+
| date_compte |
+-------------+
| 2009-08-26 |
+-------------+
1 row in set (0.00 sec)
mysql> select * from compte where `date_compte`=NOW();
Empty set (0.00 sec)
mysql> drop database deb;
Query OK, 1 row affected (0.00 sec)
mysql> quit
Bye
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9758
August 26, 2009 06:10AM
Re: Différence de comportement de la fonction NOW()
3413
August 26, 2009 02:29PM
3490
August 27, 2009 05:25AM
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