
"can't convert String into Array" error in a very simple model
Reported by Robert Sköld | October 8th, 2009 @ 09:45 PM
I have this very simple model example:
require "rubygems"
require "dm-core"
class Store
include DataMapper::Resource
property :id, Serial
property :key, String, :length => 255
property :val, String, :length => 65535
def self.write( k , v )
s = first_or_create( :key => k )
s.update( :val => v )
end
def self.read( k )
s = first( :key => k )
s.val if s
end
def self.delete( k )
s = first( :key => k )
s.destroy! if s
end
end
DataMapper::Logger.new(STDOUT)
DataMapper.setup(:default, "sqlite3::memory:")
DataMapper.auto_migrate!
session = {
:expires => 1231233252,
:session_key => "1234873r6yiejkh3l4k",
:uid => 1231234532
}
Store.write( "sess" , session.to_s )
p Store.read( "sess" )
And it gives me these errors:
can't convert String into Array
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/model/property.rb:181:in `zip'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/model/property.rb:181:in `key_conditions'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/resource.rb:737:in `query'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/resource.rb:609:in `collection'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/resource.rb:724:in `eager_load'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/resource.rb:710:in `lazy_load'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/property.rb:596:in `send'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/property.rb:596:in `lazy_load'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/property.rb:487:in `get'
/Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/model/property.rb:200:in `val'
I don't see why?
Comments and changes to this ticket
-
Robert Sköld October 8th, 2009 @ 10:11 PM
Apparently you can't name a property "key". Maybe there should be a better error message?
-
Jonathan Stott (namelessjon) October 9th, 2009 @ 09:36 AM
- State changed from new to duplicate
I'm marking this a duplicate of #844 which is due to be fixed for 0.10.2
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