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# frozen_string_literal: true
class AddProjectValueStreamIdToProjectStages < ActiveRecord::Migration[6.0]
disable_ddl_transaction!
INDEX_NAME = 'index_analytics_ca_project_stages_on_value_stream_id'
class ProjectValueStream < ActiveRecord::Base
self.table_name = 'analytics_cycle_analytics_project_stages'
include EachBatch
end
def up
ProjectValueStream.reset_column_information
# The table was never used, there is no user-facing code that modifies the table, it should be empty.
# Since there is no functionality present that depends on this data, it's safe to delete the rows.
ProjectValueStream.each_batch(of: 100) do |relation|
relation.delete_all
end
transaction do
add_reference :analytics_cycle_analytics_project_stages, :project_value_stream, null: false, index: { name: INDEX_NAME }, foreign_key: { on_delete: :cascade, to_table: :analytics_cycle_analytics_project_value_streams }, type: :bigint # rubocop: disable Migration/AddReference, Rails/NotNullColumn
end
end
def down
remove_reference :analytics_cycle_analytics_project_stages, :project_value_stream
end
end
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