| Total Complexity | 1 |
| Total Lines | 13 |
| Duplicated Lines | 100 % |
| Changes | 0 | ||
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | # frozen_string_literal: true |
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| 4 | View Code Duplication | class CreateStudyEvents < ActiveRecord::Migration[5.1] |
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| 5 | def change |
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| 6 | create_table :study_events do |t| |
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| 7 | t.string :name, null: false, index: true |
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| 8 | t.integer :order, null: false, index: true, default: 1 |
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| 9 | t.references :arm, null: false, foreign_key: true, index: true |
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| 10 | t.datetime :event_date, null: false, default: -> { 'CURRENT_TIMESTAMP' } |
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| 11 | t.timestamps null: false, default: -> { 'CURRENT_TIMESTAMP' } |
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| 12 | end |
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| 13 | |||
| 14 | add_index :study_events, %i[arm_id name], unique: true, name: 'index_by_arm_name' |
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| 15 | end |
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| 16 | end |
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| 17 |