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2009 Nov 04
0
The error occurred while evaluating nil.prefetch_primary_key
...class CreateConnectionCosts < ActiveRecord::Migration def self.up create_table :connection_costs do |t| t.decimal :cost ,:precision=>10,:scale=>4 ,:default=>100.0 # absolute Costs t.decimal :cost_factor ,:precision=>10,:scale=>4 ,:default=>1.0 # CostFactor -> totalCosts = CostFactor * absCosts t.references :connection # Link to an ''Connection'' t.references :project # Link to an ''Project'' t.references :way_search_run # Link to an ''WaySearchRun'' t.timestamps end a...