gitlab-org--gitlab-foss/db/migrate/20210521073920_drop_devops_adoption_namespace_uniqueness.rb

23 lines
937 B
Ruby

# frozen_string_literal: true
class DropDevopsAdoptionNamespaceUniqueness < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
INDEX_NAME = 'index_analytics_devops_adoption_segments_on_namespace_id'
NEW_INDEX_NAME = 'idx_analytics_devops_adoption_segments_on_namespace_id'
def up
add_concurrent_index :analytics_devops_adoption_segments, :namespace_id, name: NEW_INDEX_NAME
remove_concurrent_index_by_name :analytics_devops_adoption_segments, INDEX_NAME
end
def down
# Clean up duplicated records
execute "DELETE FROM analytics_devops_adoption_segments WHERE id NOT IN (SELECT MIN(id) FROM analytics_devops_adoption_segments GROUP BY namespace_id)"
add_concurrent_index :analytics_devops_adoption_segments, :namespace_id, name: INDEX_NAME, unique: true
remove_concurrent_index_by_name :analytics_devops_adoption_segments, NEW_INDEX_NAME
end
end