33 lines
1.4 KiB
Ruby
33 lines
1.4 KiB
Ruby
#
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# Copyright (C) 2012 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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class AddUpdatedAtToEntryIndex < ActiveRecord::Migration[4.2]
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tag :predeploy
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def self.up
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add_column :discussion_topic_materialized_views, :generation_started_at, :timestamp
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add_index :discussion_entries, [:discussion_topic_id, :updated_at, :created_at], :name => "index_discussion_entries_for_topic"
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remove_index :discussion_entries, :name => "index_discussion_entries_on_discussion_topic_id"
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end
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def self.down
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remove_column :discussion_topic_materialized_views, :generation_started_at
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add_index :discussion_entries, [:discussion_topic_id], :name => "index_discussion_entries_on_discussion_topic_id"
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remove_index :discussion_entries, :name => "index_discussion_entries_for_topic"
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end
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end
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