23 lines
758 B
Ruby
23 lines
758 B
Ruby
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# This migration comes from acts_as_taggable_on_engine (originally 2)
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class AddMissingUniqueIndices < ActiveRecord::Migration
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def self.up
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add_index :tags, :name, unique: true
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remove_index :taggings, :tag_id if index_exists?(:taggings, :tag_id)
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remove_index :taggings, [:taggable_id, :taggable_type, :context]
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add_index :taggings,
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[:tag_id, :taggable_id, :taggable_type, :context, :tagger_id,
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:tagger_type],
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unique: true, name: 'taggings_idx'
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end
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def self.down
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remove_index :tags, :name
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remove_index :taggings, name: 'taggings_idx'
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add_index :taggings, :tag_id unless index_exists?(:taggings, :tag_id)
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add_index :taggings, [:taggable_id, :taggable_type, :context]
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end
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end
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