68 lines
1.9 KiB
Ruby
68 lines
1.9 KiB
Ruby
#
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# Copyright (C) 2013 - 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 AddCassandraCourseAuditorTables < ActiveRecord::Migration[4.2]
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tag :predeploy
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include Canvas::Cassandra::Migration
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def self.cassandra_cluster
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'auditors'
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end
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def self.indexes
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%w(
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courses_by_course
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)
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end
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def self.up
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compression_params = cassandra.db.use_cql3? ?
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"WITH compression = { 'sstable_compression' : 'DeflateCompressor' }" :
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"WITH compression_parameters:sstable_compression='DeflateCompressor'"
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cassandra.execute %{
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CREATE TABLE courses (
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id text PRIMARY KEY,
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created_at timestamp,
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request_id text,
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course_id bigint,
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event_type text,
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user_id bigint,
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data text
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) #{compression_params}}
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indexes.each do |index_name|
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cassandra.execute %{
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CREATE TABLE #{index_name} (
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key text,
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ordered_id text,
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id text,
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PRIMARY KEY (key, ordered_id)
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) #{compression_params}}
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end
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end
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def self.down
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indexes.each do |index_name|
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cassandra.execute %{DROP TABLE #{index_name};}
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end
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cassandra.execute %{DROP TABLE courses;}
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end
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end
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