I write an application for medical physics in Rails (for many reasons)
and I have a problem, now. I have a five tables:
create_table "plans", :force => true do |t|
t.column "treatment_id", :integer
t.column "technics", :string
t.column "number_of_beams", :integer, :limit => 2
t.column "calculation", :string
t.column "dose_max", :integer, :limit => 4
t.column "dose_mean", :integer, :limit => 4
t.column "mlc", :boolean
t.column "sad", :boolean
t.column "ssd", :boolean
end
create_table "structure_values", :id => false, :force => true do
|t|
t.column "plan_id", :integer
t.column "structure_id", :integer
t.column "value_max", :integer, :limit => 4
t.column "value_mean", :integer, :limit => 4
end
add_index "structure_values", ["plan_id"], :name =>
"structure_values_plan_id_index"
add_index "structure_values", ["structure_id"], :name =>
"structure_values_structure_id_index"
create_table "structures", :force => true do |t|
t.column "name", :string
t.column "dose", :text
end
create_table "treatments", :force => true do |t|
t.column "describe_of_strategy", :string, :limit => 100
t.column "detail_describe", :text
t.column "aims_volumes", :string, :limit => 100
t.column "day_dose", :integer, :limit => 3
t.column "number_of_fractions", :integer, :limit => 2
t.column "equiv_std_fraction", :integer, :limit => 4
t.column "schield", :boolean
t.column "kind_of_rays", :string, :limit => 1
t.column "energy_of_rays", :integer, :limit => 2
t.column "prescription_id", :integer
t.column "machine_id", :integer
t.column "created_on", :datetime
t.column "updated_on", :datetime
end
create_table "treatments_structures", :id => false, :force =>
true do
|t|
t.column "treatment_id", :integer
t.column "structure_id", :integer
end
add_index "treatments_structures", ["treatment_id"], :name
=>
"treatments_structures_treatment_id_index"
add_index "treatments_structures", ["structure_id"], :name
=>
"treatments_structures_structure_id_index"
OK. I have written model and controller for (right) working with tables
Treatment, Treatment_Structures and Structures. And now I need to work
with tables Plans and Structure_Values with right relationship. Can
anybody help me with this problem: I don''t know, how I can do right
associations with Plan and Structure_Values? Plan :has_many
Structure_Values and I need set to this table right ID number for
Structures (from table Structures). I must to solve this problem,
without it I can''t continue in my work. Thanks.
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