Fixes #21766 - Enforce uniquness of TaxableTaxonomy in DB

theforeman · Nov 27, 2017 · d6c62c9 · d6c62c9
1 parent fd68eb6
commit d6c62c9
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/db/migrate/20171126131104_remove_duplicate_taxable_taxonomies.rb b/db/migrate/20171126131104_remove_duplicate_taxable_taxonomies.rb
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+class RemoveDuplicateTaxableTaxonomies < ActiveRecord::Migration
+  def up
+    deduped = TaxableTaxonomy.group(:taxonomy_id, :taxable_id, :taxable_type).pluck('min(id)')
+    TaxableTaxonomy.where.not(id: deduped).delete_all
+    remove_index :taxable_taxonomies, :name => 'taxable_index'
+    add_index :taxable_taxonomies, [:taxable_id, :taxable_type, :taxonomy_id], :name => 'taxable_index', :unique => true
+  end
+
+  def down
+    remove_index :taxable_taxonomies, :name => 'taxable_index'
+    add_index :taxable_taxonomies, [:taxable_id, :taxable_type, :taxonomy_id], :name => 'taxable_index'
+  end
+end