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# frozen_string_literal: true
class RemoveSprintsProjectIdColumn < Gitlab::Database::Migration[2.0]
disable_ddl_transaction!
DATERANGE_CONSTRAINT_NAME = 'iteration_start_and_due_daterange_project_id_constraint'
def up
with_lock_retries do
remove_column :sprints, :project_id, :bigint if column_exists?(:sprints, :project_id)
end
end
def down
with_lock_retries do
add_column :sprints, :project_id, :bigint unless column_exists?(:sprints, :project_id)
end
with_lock_retries do
next if check_constraint_exists?(:sprints, DATERANGE_CONSTRAINT_NAME)
execute(<<~SQL)
ALTER TABLE sprints
ADD CONSTRAINT #{DATERANGE_CONSTRAINT_NAME}
EXCLUDE USING gist (project_id WITH =, daterange(start_date, due_date, '[]'::text) WITH &&)
WHERE (project_id IS NOT NULL)
SQL
end
add_check_constraint(:sprints,
'project_id <> NULL::bigint AND group_id IS NULL OR group_id <> NULL::bigint AND project_id IS NULL',
'sprints_must_belong_to_project_or_group')
add_concurrent_index :sprints, [:project_id, :iid], unique: true, name: 'index_sprints_on_project_id_and_iid'
add_concurrent_foreign_key :sprints, :projects, column: :project_id, on_delete: :cascade
end
end
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