At 10:39 AM +0200 6/15/01, Sven Huster wrote:
>On Thu, Jun 14, 2001 at 07:30:01PM -0500, Paul DuBois wrote:
>> *This message was transferred with a trial version of CommuniGate(tm) Pro*
>> At 1:36 AM +0200 6/15/01, Sven Huster wrote:
>> >Hi there
>> >
>> >can i somehow easily recreate the auto_increment col if is was not
>> >correctly set?
>> >i just recognized that most rows contain "1" cause the primary key was
>> >set
>> >on the auto_increment col + another one.
>> >so mysql only creates a entry > 1 if the other field was equal to
>> >another row.
>>
>> Well, that's what's supposed to happen if you have a primary key
>> or unique key on multiple columns where the last column is an
>> AUTO_INCREMENT value. If you want your AUTO_INCREMENT column
>> to have unique values for each row, then you could drop that
>> index and set up a PRIMARY KEY on just the AUTO_INCREMENT column.
>>
>> Actually, I'm not sure I understand what you want to do, so I'm
>> just guessing. If that doesn't answer your question, please
>> clarify.
>
>Hi
>
>i want to fix the auto_increment col to have unique entries, but if i drop
>the index
>there are double entries in for the col, so i dont think it works just by
>dropping the
>key.
>there is data in the table that i dont want to loose.
Drop the AUTO_INCREMENT column, than add it back as an AUTO_INCREMENT
PRIMARY KEY. MySQL will number the columns values uniquely for you.
>
>regards
>sven
--
Paul DuBois, [EMAIL PROTECTED]
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