Position of object in database

Posted by fl00r on Stack Overflow See other posts from Stack Overflow or by fl00r
Published on 2010-05-04T08:23:07Z Indexed on 2010/05/04 8:28 UTC
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Filed under:

ruby

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activerecord

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sql

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ruby-on-rails

Hi!

I have got model Team and I've got (i.e.) team = Team.first :offset => 20. Now I need to get number of position of my team in db table.

I can do it in ruby:

Team.all.index team #=> 20

But I am sure that I can write it on SQL and it will be less expensive for me with big tables.

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