public async Task InsertDataTypesDataAsync()

in spanner/api/Spanner.Samples/InsertDatatypesDataAsync.cs [38:116]
73 lines of code
1 McCabe index (conditional complexity)

    public async Task InsertDataTypesDataAsync(string projectId, string instanceId, string databaseId)
    {
        string connectionString = $"Data Source=projects/{projectId}/instances/{instanceId}/databases/{databaseId}";

        byte[] exampleBytes1 = Encoding.UTF8.GetBytes("Hello World 1");
        byte[] exampleBytes2 = Encoding.UTF8.GetBytes("Hello World 2");
        byte[] exampleBytes3 = Encoding.UTF8.GetBytes("Hello World 3");

        var availableDates1 = new List<DateTime>
        {
            DateTime.Parse("2020-12-01"),
            DateTime.Parse("2020-12-02"),
            DateTime.Parse("2020-12-03")
        };

        var availableDates2 = new List<DateTime>
        {
            DateTime.Parse("2020-11-01"),
            DateTime.Parse("2020-11-05"),
            DateTime.Parse("2020-11-15")
        };

        var availableDates3 = new List<DateTime>
        {
            DateTime.Parse("2020-10-01"),
            DateTime.Parse("2020-10-07")
        };
        List<Venue> venues = new List<Venue> {
            new Venue {
                VenueId = 4,
                VenueName = "Venue 4",
                VenueInfo = exampleBytes1,
                Capacity = 1800,
                AvailableDates = availableDates1,
                LastContactDate = DateTime.Parse("2018-09-02"),
                OutdoorVenue = false,
                PopularityScore = 0.85543f
            },
            new Venue {
                VenueId = 19,
                VenueName = "Venue 19",
                VenueInfo = exampleBytes2,
                Capacity = 6300,
                AvailableDates = availableDates2,
                LastContactDate = DateTime.Parse("2019-01-15"),
                OutdoorVenue = true,
                PopularityScore = 0.98716f
            },
            new Venue {
                VenueId = 42,
                VenueName = "Venue 42",
                VenueInfo = exampleBytes3,
                Capacity = 3000,
                AvailableDates = availableDates3,
                LastContactDate = DateTime.Parse("2018-10-01"),
                OutdoorVenue = false,
                PopularityScore = 0.72598f
            }};

        using var connection = new SpannerConnection(connectionString);
        await connection.OpenAsync();

        await Task.WhenAll(venues.Select(venue =>
        {
            var cmd = connection.CreateInsertCommand("Venues",
            new SpannerParameterCollection {
                { "VenueId", SpannerDbType.Int64, venue.VenueId },
                { "VenueName", SpannerDbType.String, venue.VenueName },
                { "VenueInfo", SpannerDbType.Bytes, venue.VenueInfo },
                { "Capacity", SpannerDbType.Int64, venue.Capacity },
                { "AvailableDates", SpannerDbType.ArrayOf(SpannerDbType.Date), venue.AvailableDates },
                { "LastContactDate", SpannerDbType.Date, venue.LastContactDate },
                { "OutdoorVenue", SpannerDbType.Bool,  venue.OutdoorVenue },
                { "PopularityScore", SpannerDbType.Float64, venue.PopularityScore },
                { "LastUpdateTime", SpannerDbType.Timestamp, SpannerParameter.CommitTimestamp },
            });
            return cmd.ExecuteNonQueryAsync();
        }));
    }