42 lines
1.3 KiB
Ruby
42 lines
1.3 KiB
Ruby
#
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# Copyright (C) 2014 - 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 RemoveCassandraPageViewsContributed < ActiveRecord::Migration[4.2]
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tag :postdeploy
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include Canvas::Cassandra::Migration
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def self.cassandra_cluster
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'page_views'
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end
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def self.runnable?
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# cassandra 1.2.x doesn't support dropping columns, oddly enough
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return false unless super
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server_version = cassandra.db.connection.describe_version()
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server_version < '19.35.0' || server_version >= '19.39.0'
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end
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def self.up
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cassandra.execute %{ ALTER TABLE page_views DROP contributed; }
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end
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def self.down
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cassandra.execute %{ ALTER TABLE page_views ADD contributed boolean; }
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end
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end
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