44 lines
1.7 KiB
Ruby
44 lines
1.7 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 AddNeedNotifyColumnToAttachments < ActiveRecord::Migration[4.2]
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tag :predeploy
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disable_ddl_transaction!
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def self.up
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add_column :attachments, :need_notify, :boolean
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Attachment.reset_column_information
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if connection.adapter_name =~ /\Apostgresql/i
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# bad index condition; postpone creating this index until FixNeedNotifyIndexCondition
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#execute('CREATE INDEX CONCURRENTLY "index_attachments_on_need_notify" ON #{Attachment.quoted_table_name}(need_notify) WHERE need_notify IS NOT NULL')
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else
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add_index :attachments, [:need_notify], :name => "index_attachments_on_need_notify"
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end
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end
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def self.down
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if connection.adapter_name =~ /\Apostgresql/i
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# this may exist if the source gets upated between migrate and rollback
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execute("DROP INDEX IF EXISTS #{connection.quote_table_name('index_attachments_on_need_notify')}")
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else
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remove_index :attachments, :name => "index_attachments_on_need_notify"
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end
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remove_column :attachments, :need_notify
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end
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end
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