I'm not sure if this is a bug or not, but I just realized today that some of
my create table queries (on mysql 3.23.32 ) were not behaving as I would
expect.. Example:
**********************************************************
mysql> create table foo (id int not null primary key, field1 varchar(55),
unique data_index (id,field1));
Query OK, 0 rows affected (0.04 sec)
mysql> show columns from foo;
+--------+-------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------+-------------+------+-----+---------+-------+
| id | int(11) | | PRI | 0 | |
| field1 | varchar(55) | YES | | NULL | |
+--------+-------------+------+-----+---------+-------+
2 rows in set (0.02 sec)
mysql> create table bar select * from foo;
Query OK, 0 rows affected (0.07 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql> show columns from bar;
+--------+----------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------+----------+------+-----+---------+-------+
| id | int(11) | | | 0 | |
| field1 | char(55) | YES | | NULL | |
+--------+----------+------+-----+---------+-------+
2 rows in set (0.00 sec)
***********************************************************
As you can see the primary key is not a part of table bar. Nor is the
unique index as shown with mysqldump
***********************************************************
root@raid:/home/mswanson > mysqldump -d test bar
# MySQL dump 8.12
#
# Host: localhost Database: test
#--------------------------------------------------------
# Server version 3.23.32-log
#
# Table structure for table 'bar'
#
CREATE TABLE bar (
id int(11) NOT NULL default '0',
field1 char(55) default NULL
) TYPE=MyISAM;
**************************************************************
The manual doesn't say anything about this. Is this a bug or just something
I missed in the manual?
Thanks
-Marc-
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