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# frozen_string_literal: true
class AddEnvironmentScopeToGroupVariables < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
OLD_INDEX = 'index_ci_group_variables_on_group_id_and_key'
NEW_INDEX = 'index_ci_group_variables_on_group_id_and_key_and_environment'
disable_ddl_transaction!
def up
unless column_exists?(:ci_group_variables, :environment_scope)
# rubocop:disable Migration/AddLimitToTextColumns
# Added in 20210305013509_add_text_limit_to_group_ci_variables_environment_scope
add_column :ci_group_variables, :environment_scope, :text, null: false, default: '*'
# rubocop:enable Migration/AddLimitToTextColumns
end
add_concurrent_index :ci_group_variables, [:group_id, :key, :environment_scope], unique: true, name: NEW_INDEX
remove_concurrent_index_by_name :ci_group_variables, OLD_INDEX
end
def down
remove_duplicates!
add_concurrent_index :ci_group_variables, [:group_id, :key], unique: true, name: OLD_INDEX
remove_concurrent_index_by_name :ci_group_variables, NEW_INDEX
remove_column :ci_group_variables, :environment_scope
end
private
def remove_duplicates!
execute <<-SQL
DELETE FROM ci_group_variables
WHERE id NOT IN (
SELECT MIN(id)
FROM ci_group_variables
GROUP BY group_id, key
)
SQL
end
end
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