I don't know if the manual says anything about this but if you check Paul's book page
150 (paul now we are referencing your book down to page level) it says:
"creating a table by selecting data into it does not automatically copy any indexes
from the original table"
regards,
thalis
On Sun, 8 Apr 2001, Marc Swanson wrote:
> 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-
>
>
> #/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/#
> #Marc Swanson | #
> #MSwanson Consulting | \|||/ #
> # | /o o\ #
> #Phone: (603)868-1721 |-ooo----O----ooo-#
> #Fax: (603)868-1730 | Solutions in: #
> #Mobile: (603)512-1267 | 'PHP 'Perl #
> #[EMAIL PROTECTED] | 'SQL 'C++ #
> # | 'HTML 'Sh/Csh#
> #http://www.mswanson.com | 'Javascript #
> #/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/#
>
>
> ---------------------------------------------------------------------
> Before posting, please check:
> http://www.mysql.com/manual.php (the manual)
> http://lists.mysql.com/ (the list archive)
>
> To request this thread, e-mail <[EMAIL PROTECTED]>
> To unsubscribe, e-mail <[EMAIL PROTECTED]>
> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
>
>
---------------------------------------------------------------------
Before posting, please check:
http://www.mysql.com/manual.php (the manual)
http://lists.mysql.com/ (the list archive)
To request this thread, e-mail <[EMAIL PROTECTED]>
To unsubscribe, e-mail <[EMAIL PROTECTED]>
Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
