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php-db | 2001051

Re: [PHP-DB] Autoincrement Question From: CC Zona (cczona <email protected>)
Date: 05/10/01

[quotes restored to bottom-posting order, for clarity]

> > > > If I have a database that has three records and I delete the entire
> > > > third record, when another record is then added will the auto increment
> > > > number be 3 or 4? Thanks.

> > > I will be 3 Jeff :)

> > Only if the auto increment values started at zero. Otherwise, the number
> > will be 4.

> That is true if you delete a row in between other records..if you delete 2
> the fourth record added would be 4, not 2. BUT..in the default installation
> of mysql, if you delete the last record the auto increment will fill it's
> place..trust me, I just tried it :)

What version of MySQL and table type are you getting that on? I just tried
it with a MyISAM table in 3.23.33 (insert, immediate delete, immediate
insert), and the pk incremented as expected. No re-use of values. 

-- 
CC

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