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'on duplicate key update ' and 'last_insert_id '

'on duplicate key update ' and 'last_insert_id '

2006-06-30       - By David Hillman

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Reply:     1     2  

On Jun 30, 2006, at 10:44 AM, Rob Desbois wrote:
> That leaves me with ON DUPLICATE KEY UPDATE. It's not amazingly  
> helpful as you have to provide a column to update - however I can  
> just say e.g.
>    ON DUPLICATE KEY UPDATE id=id
> The problem with this is that if I then do "SELECT LAST_INSERT_ID
> ();" then I don't get the id of the 'updated' table, I get the  
> *next* auto increment value.
>
> Is the last bit a bug?

   Yes, http://bugs.mysql.com/bug.php?id=19243

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David Hillman
LiveText, Inc
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