forked from fixin.me/fixin.me
20 lines
759 B
Ruby
20 lines
759 B
Ruby
class CreateReadouts < ActiveRecord::Migration[7.2]
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def change
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create_table :readouts do |t|
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# Reference :user through :quantity (:measurement may be NULL).
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t.references :measurement, foreign_key: true
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t.references :quantity, null: false, foreign_key: true
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# :category + :value + :unit as a separate table? (NumericValue, TextValue)
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t.integer :category, null: false, default: 0
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t.float :value, null: false, limit: Float::MANT_DIG
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t.references :unit, foreign_key: true
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# Move to Measurement?
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#t.references :collector, foreign_key: true
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#t.references :device, foreign_key: true
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t.timestamps null: false
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end
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add_index :readouts, [:quantity_id, :created_at], unique: true
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end
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end
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