From: Nick Black <nickblack1@...>
Date: 2007-02-02T19:56:25+09:00
Subject: Adding to Hashes

Hello,

I need to add key and value pairs to a hash dynamically.  I want to do this:

  array = []
  array << "hello"
  array << "world"

But with k v pairs of a hash.  The hash is being populated from a
database and there is a potenitally unlimited (though realistically
limited to less than 20) number of differnet keys, which my program
will not know about until it talks to the database.

Can I dynamically create a hash something like this:

dbh.query("select k, v from foo where id = #{id}").each_hash do |kv|

       k = kv['k']
       v = kv['v']

       myhash << k,v
end

return myhash



Thanks for the help!