"Dan Muey" <[EMAIL PROTECTED]> wrote:
>> "Dan Muey" <[EMAIL PROTECTED]> wrote:
>> > I have a table that I create with=3D20
>> > CREATE TABLE SuperTest (
>> > ID int(11) NOT NULL AUTO_INCREMENT,
>> > Name varchar(64) NOT NULL,
>> > Domain varchar(64) NOT NULL,
>> > PRIMARY KEY(ID)
>> > );
>> > I use that same thing to create a the same table on two servers.
>> > On one server (mysql Ver 11.16 Distrib 3.23.49, for=20
>> > portbld-freebsd4.6 =3D
>> > (i386))
>> > If I add, say five records I get ID to be 1,2,3,4,5.
>> > Then I delete ID 5 and insert a new record and it's id is=20
>> 6. So now I =3D
>> > have 1,2,3,4,6.
>> > That's what I want it to do.
>> > However on the other server (mysql version ???) if I have=20
>> 1,2,3,4,5, =3D
>> > delete ID 5=3D20
>> > and insert a new one it makes the new one ID 5. I suppose=20
>> because it's =3D
>> > the next number.
>> >=20
>> > I'm not really even sure what to call it besides 'non reusable =3D=20
>> > auto_increment'.
>> >=20
>> > I can't seem to find anything on mysql.com about what settings,=20
>> > version, =3D etc cause it to work either way.
>>=20
>> It depends on table types. AUTO_INCREMENT values are reused=20
>> for BDB and ISAM tables and not reused for MyISAM and InnoDB tables.
>
> Ooooohhhhh cool!
> So if I want to reuse them and know 100% they will be reused I=20
> need to specify the type as BDB or ISAM.
> And if I want to not reuse them and know 100% for sure they won't=20
> be reused I need to dpescify MyISAM or InnoDB.
Each of table type has it's own advantages and restrictions. They are different not
only in usage of AUTO_INCREMENT value. Read more about each table type before choosing
table type:
http://www.mysql.com/doc/en/Table_types.html
>
> That's were my problem lay I believe, I never specified the table=20
> type and just let it happen as it felt like.
> Lesson learned! Thanks a million!
>
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