27 lines
930 B
Ruby
27 lines
930 B
Ruby
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class FixIndexOnPostActions < ActiveRecord::Migration
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def change
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execute 'UPDATE post_actions SET targets_topic = false WHERE targets_topic IS NULL'
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change_column :post_actions, :targets_topic, :boolean, default: false, null: false
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execute '
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DELETE FROM post_actions pa
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USING post_actions x
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WHERE pa.user_id = x.user_id AND
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pa.post_action_type_id = x.post_action_type_id AND
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pa.post_id = x.post_id AND
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pa.targets_topic = x.targets_topic AND
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pa.id < x.id AND
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pa.deleted_at IS NULL AND
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x.deleted_at IS NULL
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'
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remove_index "post_actions", name: "idx_unique_actions"
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add_index "post_actions",
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["user_id", "post_action_type_id",
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"post_id", "targets_topic"],
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name: "idx_unique_actions",
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unique: true,
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where: 'deleted_at IS NULL'
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end
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end
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