2017-08-31 00:06:56 -04:00
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class FixPostActionsIndexAgain < ActiveRecord::Migration[4.2]
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2014-08-15 15:33:45 -04:00
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def change
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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 AND disagreed_at IS NULL AND deferred_at IS NULL'
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end
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end
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