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a6e9f4f44b
``` change_column :topic_views, :ip_address, :inet, null: true ``` translates to ``` "ALTER TABLE \"topic_views\" ALTER COLUMN \"ip_address\" TYPE inet" ``` which locks the whole table while the migration is taking place.
17 lines
368 B
Ruby
17 lines
368 B
Ruby
class ChangeIndexesTopicViewItem < ActiveRecord::Migration[5.1]
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def up
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remove_index :topic_views,
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column: [:ip_address, :topic_id],
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name: :ip_address_topic_id_topic_views,
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unique: true
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remove_index :topic_views,
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column: [:user_id, :topic_id],
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name: :user_id_topic_id_topic_views,
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unique: true
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end
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def down
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end
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end
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