15 lines
868 B
Ruby
15 lines
868 B
Ruby
class AddIndexesToComments < ActiveRecord::Migration[6.1]
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disable_ddl_transaction!
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def up
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add_index :comments, :commentable_type, algorithm: :concurrently unless index_exists?(:comments, :commentable_type)
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add_index :comments, :deleted, algorithm: :concurrently unless index_exists?(:comments, :deleted)
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add_index :comments, :hidden_by_commentable_user, algorithm: :concurrently unless index_exists?(:comments, :hidden_by_commentable_user)
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end
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def down
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remove_index :comments, column: :commentable_type, algorithm: :concurrently if index_exists?(:comments, :commentable_type)
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remove_index :comments, column: :deleted, algorithm: :concurrently if index_exists?(:comments, :deleted)
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remove_index :comments, column: :hidden_by_commentable_user, algorithm: :concurrently if index_exists?(:comments, :hidden_by_commentable_user)
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end
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end
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