33 lines
1.2 KiB
Ruby
33 lines
1.2 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 IndexCalendarEventsEffectiveContextCode < ActiveRecord::Migration[4.2]
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tag :predeploy
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def self.up
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if connection.adapter_name == 'PostgreSQL'
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connection.execute("CREATE INDEX index_calendar_events_on_effective_context_code ON #{CalendarEvent.quoted_table_name}(effective_context_code) WHERE effective_context_code IS NOT NULL")
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else
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add_index :calendar_events, [:effective_context_code]
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end
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end
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def self.down
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remove_index :calendar_events, [:effective_context_code]
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end
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end
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