h = {}
model.each do |r|
h[r.grouping_id] ||= {}
h[r.grouping_id][:name] = r.name
h[r.grouping_id][:description] = r.description
end
On Mon, Feb 22, 2010 at 11:08 AM, Brent <[email protected]> wrote:
> OK I give up, how do I do this...
>
> I have a DB that stores dynamic variables with I group into
> group_id's. For instance here are a couple examples of db rows:
>
> title="name", description = "john", grouping_id = "1"
> title="location", description = "USA", grouping_id = "1"
> title="comment", description = "hello", grouping_id = "1"
>
> title="name", description = "frank", grouping_id = "2"
> title="location", description = "CA", grouping_id = "2"
> title="comment", description = "hi", grouping_id = "2"
>
>
> Sure I could create a DB with these columns, but for various reasons
> I'm doing it this way.
>
> SO, how do I store all this information in a hash? I want end up
> looking something like this:
>
> @vars = {:1 => { :name =>
> "john", :location=>"USA", :comment=>"hello"}, :2=>{ :name =>
> "frank", :location=>"CA", :comment=>"hi"} }
>
>
> I tried this:
>
> @vars = Hash.new { Hash.new }
> Mymodel.all.each do |a|
> @vars["#{a.grouping_id}"] = { :"#{a.title}" =>
> a.description }
> end
>
> But that only stores the last variable in each grouping ID
>
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