Total Complexity | 1 |
Total Lines | 13 |
Duplicated Lines | 100 % |
Changes | 1 | ||
Bugs | 0 | Features | 1 |
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 CreateStudyParticipants < ActiveRecord::Migration[5.1] |
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5 | def change |
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6 | create_table :study_participants do |t| |
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7 | t.references :participant, null: false, foreign_key: true |
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8 | t.references :study, null: false, foreign_key: true |
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9 | t.string :subject_number, null: true |
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10 | t.timestamps null: false, default: -> { 'CURRENT_TIMESTAMP' } |
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11 | end |
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12 | |||
13 | add_index :study_participants, %i[participant_id study_id], unique: true, name: 'index_participant_study' |
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14 | add_index :study_participants, %i[study_id subject_number], name: 'index_study_subject_number' |
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15 | end |
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16 | end |
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17 |