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Re: Reset Auto Increment to lower value [message #180129 is a reply to message #180127]

Thu, 10 January 2013 20:17

Denis McMahon
Messages: 634
Registered: September 2010

Karma:

Senior Member

On Thu, 10 Jan 2013 09:55:59 -0800, makamo66 wrote:

> I need to create a tiles table that has a structure like this for
> http://www.myownmealplanner.com:
>
> user_id sub_tile_id 1 1 1 2 1 3 2 1 2 2 2 3 3 1
3 2 3 3 etc.
> I can't just create new tables for new users because I'm using cakephp
> and that would require new models, views, and controllers for every new
> table. How do I get the sub_tile_id to auto_increment starting at every
> new user id? According to the manual I can't restart auto-increment with
> a lower value than it has already displayed so this needs to be done
> with php somehow.

You could try using SQL something along the lines of:

insert into table ( user_id, sub_tile_id ) values ( 'current_user_id',
count( select sub_tile_id where user_id = 'current_user_id' ) + 1 );

I *think* something like that should increment sub_tile_id on a per
user_id basis, but it's not really a php solution, more of an sql one.

--
Denis McMahon, denismfmcmahon(at)gmail(dot)com

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[Message index]

		Reset Auto Increment to lower value By: makamo66 on Thu, 10 January 2013 17:55
		Re: Reset Auto Increment to lower value By: Denis McMahon on Thu, 10 January 2013 20:17
		Re: Reset Auto Increment to lower value By: Captain Paralytic on Fri, 11 January 2013 10:05
		Re: Reset Auto Increment to lower value By: makamo66 on Fri, 11 January 2013 13:55
		Re: Reset Auto Increment to lower value By: M. Strobel on Fri, 11 January 2013 14:05
		Re: Reset Auto Increment to lower value By: Captain Paralytic on Fri, 11 January 2013 16:18
		Re: Reset Auto Increment to lower value By: Luuk on Fri, 11 January 2013 19:07
		Re: Reset Auto Increment to lower value By: Luuk on Fri, 11 January 2013 19:22
		Re: Reset Auto Increment to lower value By: makamo66 on Fri, 11 January 2013 19:37
		Re: Reset Auto Increment to lower value By: makamo66 on Fri, 11 January 2013 19:38

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