test/test-flight-sql.rb

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class FlightSQLTest < Test::Unit::TestCase
  include Helper::Sandbox

  def test_select_int32
    options = ArrowFlight::CallOptions.new
    options.add_header("x-flight-sql-database", @test_db_name)
    info = flight_sql_client.execute("SELECT 1 AS value", options)
    assert_equal(Arrow::Schema.new(value: :int32),
                 info.get_schema)
    endpoint = info.endpoints.first
    reader = flight_sql_client.do_get(endpoint.ticket, options)
    assert_equal(Arrow::Table.new(value: Arrow::Int32Array.new([1])),
                 reader.read_all)
  end

  def test_select_from
    run_sql("CREATE TABLE data (value integer)")
    run_sql("INSERT INTO data VALUES (1), (-2), (3)")

    options = ArrowFlight::CallOptions.new
    options.add_header("x-flight-sql-database", @test_db_name)
    info = flight_sql_client.execute("SELECT * FROM data", options)
    assert_equal(Arrow::Schema.new(value: :int32),
                 info.get_schema)
    endpoint = info.endpoints.first
    reader = flight_sql_client.do_get(endpoint.ticket, options)
    assert_equal(Arrow::Table.new(value: Arrow::Int32Array.new([1, -2, 3])),
                 reader.read_all)
  end
end