public void ScaleToDateTime()
{
var utcNow = DateTime.UtcNow;
var v1 = new BigtableVersion(12345);
var v2 = new BigtableVersion(12345 + 1_000);
var timespanDiff = v2.ToDateTime() - v1.ToDateTime();
Assert.Equal(TimeSpan.FromSeconds(1), timespanDiff);
}
// [END bigtable_filters_limit_value_regex]
// [START bigtable_filters_limit_timestamp_range]
/// <summary>
/// /// Read using a timestamp range filter from an existing table.
///</summary>
/// <param name="projectId">Your Google Cloud Project ID.</param>
/// <param name="instanceId">Your Google Cloud Bigtable Instance ID.</param>
/// <param name="tableId">Your Google Cloud Bigtable table ID.</param>
public string filterLimitTimestampRange(
String projectId, String instanceId, String tableId)
{
BigtableVersion timestamp_minus_hr = new BigtableVersion(new DateTime(2020, 1, 10, 13, 0, 0, DateTimeKind.Utc));
// A filter that matches cells whose timestamp is from an hour ago or earlier
RowFilter filter = RowFilters.TimestampRange(new DateTime(0), timestamp_minus_hr.ToDateTime());
return(readFilter(projectId, instanceId, tableId, filter));
}
public void RoundTripDateTime()
{
var dateTime = DateTime.UtcNow;
var version = new BigtableVersion(dateTime);
// BigtableVersion stores micros, but aligns to millis, which is 10000s of ticks, so truncate the ticks.
var expected = new DateTime(dateTime.Ticks - (dateTime.Ticks % 10000), DateTimeKind.Utc);
Assert.Equal(expected, version.ToDateTime());
}
