public void IncrementRule()
{
var rule = ReadModifyWriteRules.Increment("cf", "c1", 123);
Assert.Equal("cf", rule.FamilyName);
Assert.Equal("c1", rule.ColumnQualifier.ToStringUtf8());
Assert.Equal(123, rule.IncrementAmount);
}
public void AppendRule()
{
var rule = ReadModifyWriteRules.Append("cf", "c1", "abc");
Assert.Equal("cf", rule.FamilyName);
Assert.Equal("c1", rule.ColumnQualifier.ToStringUtf8());
Assert.Equal("abc", rule.AppendValue.ToStringUtf8());
}
/// <summary>
/// Increments a cell value in a row with an existing value at that cell.
///</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 writeIncrement(
string projectId = "YOUR-PROJECT-ID",
string instanceId = "YOUR-INSTANCE-ID",
string tableId = "YOUR-TABLE-ID")
{
BigtableClient bigtableClient = BigtableClient.Create();
TableName tableName = new TableName(projectId, instanceId, tableId);
BigtableByteString rowkey = new BigtableByteString("phone#4c410523#20190501");
String COLUMN_FAMILY = "stats_summary";
// Increment the value of stats_summary:connected_wifi by -1 (change 1 to 0 to show it's disconnected)
ReadModifyWriteRowResponse readModifyWriteRowResponse = bigtableClient.ReadModifyWriteRow(
tableName,
rowkey,
ReadModifyWriteRules.Increment(COLUMN_FAMILY, "connected_wifi", -1));
return($"Successfully updated row {readModifyWriteRowResponse.Row.Key}");
}
public void IncrementRule_Validations(string familyName)
{
Assert.Throws <ArgumentException>(
() => ReadModifyWriteRules.Increment(familyName, "c1", 123));
}
public void AppendRule_Validations(string familyName)
{
Assert.Throws <ArgumentException>(
() => ReadModifyWriteRules.Append(familyName, "c1", "abc"));
}
