private static object CreateMaxVersionsFamily(string tableId)
{
// [START bigtable_create_bigtableTableAdminClient]
BigtableTableAdminClient bigtableTableAdminClient = BigtableTableAdminClient.Create();
// [END bigtable_create_bigtableTableAdminClient]
Console.WriteLine("Creating column family cf2 with max versions GC rule...");
// [START bigtable_create_family_gc_max_versions]
// Create a column family with GC policy : most recent N versions
// where 1 = most recent version
// Initialize request argument(s).
// Define the GC policy to retain only the most recent 2 versions
GcRule maxVersionsRule = new GcRule {
MaxNumVersions = 2
};
// Column family to create
ColumnFamily columnFamily = new ColumnFamily {
GcRule = maxVersionsRule
};
TableName tableName = new TableName(projectId, instanceId, tableId);
// Modification to create column family
ModifyColumnFamiliesRequest.Types.Modification modification = new ModifyColumnFamiliesRequest.Types.Modification
{
Create = columnFamily,
Id = "cf2"
};
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = tableName,
Modifications = { modification }
};
try
{
// Make the request
Table response = bigtableTableAdminClient.ModifyColumnFamilies(request);
Console.WriteLine("Created column family");
// [END bigtable_create_family_gc_max_versions]
// Print table information.
GetTable(tableId);
// [START bigtable_create_family_gc_max_versions]
}
catch (Exception ex)
{
Console.WriteLine($"Error creating column family {ex.Message}");
}
// [END bigtable_create_family_gc_max_versions]
return(0);
}
private static object CreateMaxAgeFamily(string tableId)
{
// [START bigtable_create_bigtableTableAdminClient]
BigtableTableAdminClient bigtableTableAdminClient = BigtableTableAdminClient.Create();
// [END bigtable_create_bigtableTableAdminClient]
Console.WriteLine("Creating column family cf1 with max age GC rule...");
// [START bigtable_create_family_gc_max_age]
// Create a column family with GC policy : maximum age
// where age = current time minus cell timestamp
// Initialize request argument(s).
// Define the GC rule to retain data with max age of 5 days
GcRule MaxAgeRule = new GcRule {
MaxAge = Duration.FromTimeSpan(TimeSpan.FromDays(5.0))
};
// Column family to create
ColumnFamily columnFamily = new ColumnFamily {
GcRule = MaxAgeRule
};
TableName tableName = new TableName(projectId, instanceId, tableId);
// Modification to create column family
ModifyColumnFamiliesRequest.Types.Modification modification = new ModifyColumnFamiliesRequest.Types.Modification
{
Create = columnFamily,
Id = "cf1"
};
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = tableName,
Modifications = { modification }
};
try
{
// Make the request
Table response = bigtableTableAdminClient.ModifyColumnFamilies(request);
Console.WriteLine("Created column family");
// [END bigtable_create_bigtableTableAdminClient]
// Print table information.
GetTable(tableId);
// [START bigtable_create_bigtableTableAdminClient]
}
catch (Exception ex)
{
Console.WriteLine($"Error creating column family {ex.Message}");
}
// [END bigtable_create_family_gc_max_age]
return(0);
}
/// <summary>Snippet for ModifyColumnFamilies</summary>
public void ModifyColumnFamilies_RequestObject()
{
// Snippet: ModifyColumnFamilies(ModifyColumnFamiliesRequest,CallSettings)
// Create client
BigtableTableAdminClient bigtableTableAdminClient = BigtableTableAdminClient.Create();
// Initialize request argument(s)
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = new TableName("[PROJECT]", "[INSTANCE]", "[TABLE]"),
Modifications = { },
};
// Make the request
Table response = bigtableTableAdminClient.ModifyColumnFamilies(request);
// End snippet
}
/// <summary>Snippet for ModifyColumnFamilies</summary>
/// <remarks>
/// This snippet has been automatically generated for illustrative purposes only.
/// It may require modifications to work in your environment.
/// </remarks>
public void ModifyColumnFamiliesRequestObject()
{
// Create client
BigtableTableAdminClient bigtableTableAdminClient = BigtableTableAdminClient.Create();
// Initialize request argument(s)
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = TableName.FromProjectInstanceTable("[PROJECT]", "[INSTANCE]", "[TABLE]"),
Modifications =
{
new ModifyColumnFamiliesRequest.Types.Modification(),
},
};
// Make the request
Table response = bigtableTableAdminClient.ModifyColumnFamilies(request);
}
/// <summary>Snippet for ModifyColumnFamiliesAsync</summary>
public async Task ModifyColumnFamiliesAsync_RequestObject()
{
// Snippet: ModifyColumnFamiliesAsync(ModifyColumnFamiliesRequest,CallSettings)
// Additional: ModifyColumnFamiliesAsync(ModifyColumnFamiliesRequest,CancellationToken)
// Create client
BigtableTableAdminClient bigtableTableAdminClient = await BigtableTableAdminClient.CreateAsync();
// Initialize request argument(s)
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = new TableName("[PROJECT]", "[INSTANCE]", "[TABLE]"),
Modifications = { },
};
// Make the request
Table response = await bigtableTableAdminClient.ModifyColumnFamiliesAsync(request);
// End snippet
}
public void ModifyColumnFamilies2()
{
Mock <BigtableTableAdmin.BigtableTableAdminClient> mockGrpcClient = new Mock <BigtableTableAdmin.BigtableTableAdminClient>(MockBehavior.Strict);
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = new TableName("[PROJECT]", "[INSTANCE]", "[TABLE]"),
Modifications = { },
};
Table expectedResponse = new Table
{
TableName = new TableName("[PROJECT]", "[INSTANCE]", "[TABLE]"),
};
mockGrpcClient.Setup(x => x.ModifyColumnFamilies(request, It.IsAny <CallOptions>()))
.Returns(expectedResponse);
BigtableTableAdminClient client = new BigtableTableAdminClientImpl(mockGrpcClient.Object, null);
Table response = client.ModifyColumnFamilies(request);
Assert.Same(expectedResponse, response);
mockGrpcClient.VerifyAll();
}
private static object CreateNestedFamily(string tableId)
{
// [START bigtable_create_bigtableTableAdminClient]
BigtableTableAdminClient bigtableTableAdminClient = BigtableTableAdminClient.Create();
// [END bigtable_create_bigtableTableAdminClient]
Console.WriteLine("Creating column family cf5 with a nested GC rule...");
// [START bigtable_create_family_gc_nested]
// Create a nested GC rule:
// Drop cells that are either older than the 10 recent versions
// OR
// Drop cells that are older than a month AND older than the 2 recent versions.
// Initialize request argument(s).
GcRule.Types.Intersection intersectionRule = new GcRule.Types.Intersection
{
Rules =
{
new GcRule {
MaxNumVersions = 2
},
new GcRule {
MaxAge = Duration.FromTimeSpan(TimeSpan.FromDays(5))
}
}
};
GcRule.Types.Union nestedRule = new GcRule.Types.Union
{
Rules =
{
new GcRule {
MaxNumVersions = 10
},
new GcRule {
Intersection = intersectionRule
}
}
};
GcRule gcRule = new GcRule {
Union = nestedRule
};
// Column family to create
ColumnFamily columnFamily = new ColumnFamily {
GcRule = gcRule
};
TableName tableName = new TableName(projectId, instanceId, tableId);
// Modification to create column family
ModifyColumnFamiliesRequest.Types.Modification modification = new ModifyColumnFamiliesRequest.Types.Modification
{
Create = columnFamily,
Id = "cf5"
};
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = tableName,
Modifications = { modification }
};
try
{
// Make the request
Table response = bigtableTableAdminClient.ModifyColumnFamilies(request);
Console.WriteLine("Created column family");
// [END bigtable_create_family_gc_nested]
// Print table information.
GetTable(tableId);
// [START bigtable_create_family_gc_nested]
}
catch (Exception ex)
{
Console.WriteLine($"Error creating column family {ex.Message}");
}
// [END bigtable_create_family_gc_nested]
return(0);
}
private static object CreateIntersectionFamily(string tableId)
{
// [START bigtable_create_bigtableTableAdminClient]
BigtableTableAdminClient bigtableTableAdminClient = BigtableTableAdminClient.Create();
// [END bigtable_create_bigtableTableAdminClient]
Console.WriteLine("Creating column family cf4 with intersect GC rule...");
// [START bigtable_create_family_gc_intersection]
// Create a column family with GC policy to drop data that matches all conditions.
// Initialize request argument(s).
// GC rule: Drop cells older than 5 days AND older than the most recent 2 versions.
GcRule.Types.Intersection intersectionRule = new GcRule.Types.Intersection
{
Rules =
{
new GcRule {
MaxNumVersions = 2
},
new GcRule {
MaxAge = Duration.FromTimeSpan(TimeSpan.FromDays(5))
}
}
};
GcRule gcRule = new GcRule {
Intersection = intersectionRule
};
// Column family to create
ColumnFamily columnFamily = new ColumnFamily {
GcRule = gcRule
};
TableName tableName = new TableName(projectId, instanceId, tableId);
// Modification to create column family
ModifyColumnFamiliesRequest.Types.Modification modification = new ModifyColumnFamiliesRequest.Types.Modification
{
Create = columnFamily,
Id = "cf4"
};
ModifyColumnFamiliesRequest request = new ModifyColumnFamiliesRequest
{
TableName = tableName,
Modifications = { modification }
};
try
{
// Make the request
Table response = bigtableTableAdminClient.ModifyColumnFamilies(request);
Console.WriteLine("Created column family");
// [END bigtable_create_family_gc_intersection]
// Print table information.
GetTable(tableId);
// [START bigtable_create_family_gc_intersection]
}
catch (Exception ex)
{
Console.WriteLine($"Error creating column family {ex.Message}");
}
// [END bigtable_create_family_gc_intersection]
return(0);
}
