class Multiwoven::Integrations::Source::Bigquery::Client

def group_by_table(records)
  records.group_by { |entry| entry[:table_name] }.map do |table_name, columns|
    {
      tablename: table_name,
      columns: columns.map { |column| { column_name: column[:column_name], type: column[:data_type], optional: column[:is_nullable] == "YES" } }
    }
  end
end