• DataStax C# Driver for Apache Cassandra API Documentation
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    • Cassandra
      • AesColumnEncryptionPolicy
      • AesColumnEncryptionPolicy.AesKeyAndIV
      • AggregateMetadata
      • AlreadyExistsException
      • AtomicMonotonicTimestampGenerator
      • AtomicMonotonicWinApiTimestampGenerator
      • AuthenticationException
      • BaseColumnEncryptionPolicy<TKey>
      • BaseColumnEncryptionPolicy<TKey>.ColMetadataKey
      • BatchStatement
      • BatchType
      • BigIntegerTypeAdapter
      • BoundStatement
      • Builder
      • BusyPoolException
      • CassandraConnectionStringBuilder
      • ClientOptions
      • Cluster
      • ColumnDesc
      • ColumnEncryptionInvalidTypeError
      • ColumnEncryptionMetadata
      • ColumnTypeCode
      • CompressionType
      • Configuration
      • ConsistencyLevel
      • ConstantReconnectionPolicy
      • ConstantSpeculativeExecutionPolicy
      • CqlColumn
      • CqlVector<T>
      • CustomColumnInfo
      • DCAwareRoundRobinPolicy
      • DataCollectionMetadata
      • DataCollectionMetadata.SortOrder
      • DecimalTypeAdapter
      • DefaultLoadBalancingPolicy
      • DefaultRetryPolicy
      • Diagnostics
      • DowngradingConsistencyRetryPolicy
      • DriverException
      • DriverInternalError
      • Duration
      • DynamicCompositeTypeAdapter
      • EC2MultiRegionTranslator
      • EncryptedValue
      • ExecutionException
      • ExecutionInfo
      • ExponentialReconnectionPolicy
      • Extensions
      • FallthroughRetryPolicy
      • FixedReconnectionPolicy
      • FunctionFailureException
      • FunctionMetadata
      • GraphProtocol
      • Host
      • HostDistance
      • HostsEventArgs
      • HostsEventArgs.Kind
      • HostsEventHandler
      • IAddressTranslator
      • IAuthProvider
      • IAuthenticator
      • ICluster
      • IColumnEncryptionPolicy
      • IColumnInfo
      • IExecutionProfile
      • IExecutionProfileBuilder
      • IExecutionProfileOptions
      • IExtendedRetryPolicy
      • IFrameCompressor
      • IInitializer
      • ILoadBalancingPolicy
      • IReconnectionPolicy
      • IReconnectionSchedule
      • IRequestTracker
      • IRetryPolicy
      • ISession
      • ISessionState
      • ISpeculativeExecutionPlan
      • ISpeculativeExecutionPolicy
      • IStatement
      • ITimestampGenerator
      • ITypeAdapter
      • IdempotenceAwareRetryPolicy
      • IndexMetadata
      • IndexMetadata.IndexKind
      • InitFatalErrorException
      • InvalidConfigurationInQueryException
      • InvalidQueryException
      • InvalidTypeException
      • IsBootstrappingException
      • KeyType
      • KeyspaceMetadata
      • ListColumnInfo
      • LocalDate
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      • Logger
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      • MapColumnInfo
      • MaterializedViewMetadata
      • Metadata
      • MetadataSyncOptions
      • MetricsExtensions
      • MonitorReportingOptions
      • NoHostAvailableException
      • NoSpeculativeExecutionPolicy
      • NodeRequestInfo
      • NoneAuthProvider
      • NullTypeAdapter
      • OperationTimedOutException
      • OverloadedException
      • PlainTextAuthProvider
      • Policies
      • PoolingOptions
      • PrepareRequest
      • PreparedQueryNotFoundException
      • PreparedStatement
      • PreparedStatementIdMismatchException
      • ProtocolErrorException
      • ProtocolOptions
      • ProtocolVersion
      • QueryExecutionException
      • QueryOptions
      • QueryProtocolOptions
      • QueryProtocolOptions.QueryFlags
      • QueryTimeoutException
      • QueryTrace
      • QueryTrace.Event
      • QueryValidationException
      • ReadFailureException
      • ReadTimeoutException
      • RegularStatement
      • ReplicationStrategies
      • RequestInvalidException
      • RetryDecision
      • RetryDecision.RetryDecisionType
      • RetryLoadBalancingPolicy
      • RetryLoadBalancingPolicyEventArgs
      • RoundRobinPolicy
      • RoutingKey
      • Row
      • RowSet
      • RowSetMetadata
      • SSLOptions
      • SchemaChangedEventArgs
      • SchemaChangedEventArgs.Kind
      • SchemaChangedEventHandler
      • ServerErrorException
      • Session
      • SessionRequestInfo
      • SetColumnInfo
      • SimpleStatement
      • SocketOptions
      • Statement
      • SyntaxError
      • TableColumn
      • TableMetadata
      • TableOptions
      • TimeUuid
      • ToManyConnectionsPerHost
      • TokenAwarePolicy
      • TraceRetrievalException
      • TruncateException
      • TupleColumnInfo
      • TypeAdapters
      • UdtColumnInfo
      • UdtMap
      • UdtMap<T>
      • UdtMappingDefinitions
      • UnauthorizedException
      • UnavailableException
      • Unset
      • VectorColumnInfo
      • WriteFailureException
      • WriteTimeoutException
    • Cassandra.AppMetrics
      • DriverAppMetricsOptions
    • Cassandra.AppMetrics.MetricTypes
      • IAppMetricsCounter
      • IAppMetricsGauge
      • IAppMetricsMeter
      • IAppMetricsMetric
      • IAppMetricsTimer
    • Cassandra.AppMetrics.MetricValues
      • IAppMetricsHistogramValue
      • IAppMetricsMeterValue
      • IAppMetricsMetricWithValue<T>
      • IAppMetricsTimerValue
    • Cassandra.Data
      • CqlBatchTransaction
      • CqlCommand
      • CqlConnection
      • CqlDataAdapter
      • CqlParameter
      • CqlParameterCollection
      • CqlProviderFactory
      • CqlReader
    • Cassandra.Data.Linq
      • AllowFilteringAttribute
      • Batch
      • ClusteringKeyAttribute
      • ColumnAttribute
      • CompactStorageAttribute
      • CounterAttribute
      • CqlArgumentException
      • CqlCommand
      • CqlConditionalCommand<TEntity>
      • CqlDelete
      • CqlFunction
      • CqlInsert<TEntity>
      • CqlLinqNotSupportedException
      • CqlOperator
      • CqlQueryBase<TEntity>
      • CqlQueryExtensions
      • CqlQuerySingleElement<TEntity>
      • CqlQuery<TEntity>
      • CqlScalar<TEntity>
      • CqlToken
      • CqlUpdate
      • ITable
      • IgnoreAttribute
      • PartitionKeyAttribute
      • SecondaryIndexAttribute
      • SessionExtensions
      • StaticColumnAttribute
      • TableAttribute
      • TableType
      • Table<TEntity>
    • Cassandra.DataStax.Auth
      • DseGssapiAuthProvider
      • DsePlainTextAuthProvider
    • Cassandra.DataStax.Auth.Sspi
      • SspiException
    • Cassandra.DataStax.Graph
      • Direction
      • Edge
      • Element
      • ElementMap
      • EnumWrapper
      • FluentGraphStatement
      • GraphNode
      • GraphOptions
      • GraphResultSet
      • GraphStatement
      • IEdge
      • IElement
      • IGraphNode
      • IGraphStatement
      • IPath
      • IProperty
      • IPropertyWithElement
      • IVertex
      • IVertexProperty
      • Path
      • SimpleGraphStatement
      • TEnum
      • Traverser
      • Vertex
    • Cassandra.DataStax.Graph.Internal
      • IGraphSONDeserializer
      • IGraphSONReader
      • IGraphSONSerializer
      • IGraphSONWriter
    • Cassandra.DataStax.Search
      • DateRange
      • DateRangeBound
      • DateRangePrecision
    • Cassandra.Geometry
      • GeometryBase
      • LineString
      • Point
      • Polygon
    • Cassandra.Mapping
      • AppliedInfo<T>
      • ColumnMap
      • Cql
      • CqlQueryOptions
      • IColumnDefinition
      • ICqlBatch
      • ICqlQueryAsyncClient
      • ICqlQueryClient
      • ICqlWriteAsyncClient
      • ICqlWriteClient
      • IMapper
      • IPage<T>
      • ITypeDefinition
      • Map<TPoco>
      • Mapper
      • MappingConfiguration
      • Mappings
      • PrimaryKeyAttribute
      • SortOrder
      • TableNameAttribute
    • Cassandra.Mapping.Attributes
      • ClusteringKeyAttribute
      • ColumnAttribute
      • CounterAttribute
      • FrozenAttribute
      • FrozenKeyAttribute
      • FrozenValueAttribute
      • IgnoreAttribute
      • PartitionKeyAttribute
      • SecondaryIndexAttribute
      • StaticColumnAttribute
      • TableAttribute
    • Cassandra.Mapping.TypeConversion
      • DefaultTypeConverter
      • EnumStringMapper<T>
      • NullableEnumStringMapper<T>
      • TypeConverter
    • Cassandra.Mapping.Utils
      • MemberInfoExtensions
    • Cassandra.Metrics
      • DriverMetricsOptions
      • IDriverMetrics
      • IMetric
      • IMetricsRegistry<TMetric>
      • NodeMetric
      • NodeMetric.Counters
      • NodeMetric.Gauges
      • NodeMetric.Meters
      • NodeMetric.Timers
      • SessionMetric
      • SessionMetric.Counters
      • SessionMetric.Gauges
      • SessionMetric.Meters
      • SessionMetric.Timers
    • Cassandra.Metrics.Abstractions
      • IDriverCounter
      • IDriverGauge
      • IDriverMeter
      • IDriverMetric
      • IDriverMetricsProvider
      • IDriverTimer
    • Cassandra.OpenTelemetry
      • BuilderExtensions
      • CassandraActivitySourceHelper
      • CassandraInstrumentationOptions
      • OpenTelemetryRequestTracker
    • Cassandra.Serialization
      • CustomTypeSerializer<T>
      • TypeSerializer
      • TypeSerializerDefinitions
      • TypeSerializer<T>
      • UdtSerializer
    • Cassandra.Serialization.Primitive
      • DecimalSerializer

    Class NoSpeculativeExecutionPolicy

    A ISpeculativeExecutionPolicy that never schedules speculative executions.

    Inheritance
    object
    NoSpeculativeExecutionPolicy
    Implements
    ISpeculativeExecutionPolicy
    IDisposable
    Inherited Members
    object.Equals(object)
    object.Equals(object, object)
    object.GetHashCode()
    object.GetType()
    object.MemberwiseClone()
    object.ReferenceEquals(object, object)
    object.ToString()
    Namespace: Cassandra
    Assembly: Cassandra.dll
    Syntax
    public class NoSpeculativeExecutionPolicy : ISpeculativeExecutionPolicy, IDisposable

    Fields

    Instance

    Declaration
    public static readonly NoSpeculativeExecutionPolicy Instance
    Field Value
    Type Description
    NoSpeculativeExecutionPolicy

    Methods

    Dispose()

    Declaration
    public void Dispose()

    Initialize(ICluster)

    Initializes the policy at cluster startup.

    Declaration
    public void Initialize(ICluster cluster)
    Parameters
    Type Name Description
    ICluster cluster

    NewPlan(string, IStatement)

    Returns the plan to use for a new query.

    Declaration
    public ISpeculativeExecutionPlan NewPlan(string keyspace, IStatement statement)
    Parameters
    Type Name Description
    string keyspace

    the currently logged keyspace

    IStatement statement

    the query for which to build a plan.

    Returns
    Type Description
    ISpeculativeExecutionPlan

    Implements

    ISpeculativeExecutionPolicy
    IDisposable
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