• DataStax Enterprise C# Driver API Documentation

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    • Dse
      • AggregateMetadata
      • AlreadyExistsException
      • AtomicMonotonicTimestampGenerator
      • AtomicMonotonicWinApiTimestampGenerator
      • AuthenticationException
      • BatchStatement
      • BatchType
      • BigIntegerTypeAdapter
      • BoundStatement
      • Builder
      • BusyPoolException
      • CassandraConnectionStringBuilder
      • ClientOptions
      • Cluster
      • ColumnDesc
      • ColumnTypeCode
      • CompressionType
      • Configuration
      • ConsistencyLevel
      • ConstantReconnectionPolicy
      • ConstantSpeculativeExecutionPolicy
      • CqlColumn
      • CustomColumnInfo
      • DataCollectionMetadata
      • DataCollectionMetadata.SortOrder
      • DCAwareRoundRobinPolicy
      • DecimalTypeAdapter
      • DefaultRetryPolicy
      • Diagnostics
      • DowngradingConsistencyRetryPolicy
      • DriverException
      • DriverInternalError
      • DseCluster
      • DseClusterBuilder
      • DseConfiguration
      • DseLoadBalancingPolicy
      • Duration
      • DynamicCompositeTypeAdapter
      • EC2MultiRegionTranslator
      • ExecutionException
      • ExecutionInfo
      • ExponentialReconnectionPolicy
      • Extensions
      • FallthroughRetryPolicy
      • FixedReconnectionPolicy
      • FunctionFailureException
      • FunctionMetadata
      • Host
      • HostDistance
      • HostsEventArgs
      • HostsEventArgs.Kind
      • HostsEventHandler
      • IAddressTranslator
      • IAuthenticator
      • IAuthProvider
      • IAuthProviderNamed
      • ICluster
      • IColumnInfo
      • IdempotenceAwareRetryPolicy
      • IDseCluster
      • IDseSession
      • IExecutionProfile
      • IExecutionProfileBuilder
      • IExecutionProfileOptions
      • IExtendedRetryPolicy
      • IFrameCompressor
      • IInitializer
      • ILoadBalancingPolicy
      • IndexMetadata
      • IndexMetadata.IndexKind
      • InvalidConfigurationInQueryException
      • InvalidQueryException
      • InvalidTypeException
      • IReconnectionPolicy
      • IReconnectionSchedule
      • IRetryPolicy
      • IsBootstrappingException
      • ISession
      • ISessionState
      • ISpeculativeExecutionPlan
      • ISpeculativeExecutionPolicy
      • IStatement
      • ITimestampGenerator
      • ITypeAdapter
      • KeyspaceMetadata
      • KeyType
      • ListColumnInfo
      • LocalDate
      • LocalTime
      • Logger
      • LoggingRetryPolicy
      • MapColumnInfo
      • MaterializedViewMetadata
      • Metadata
      • MetadataSyncOptions
      • MetricsExtensions
      • MonitorReportingOptions
      • NoHostAvailableException
      • NoneAuthProvider
      • NoSpeculativeExecutionPolicy
      • NullTypeAdapter
      • OperationTimedOutException
      • OverloadedException
      • PlainTextAuthProvider
      • Policies
      • PoolingOptions
      • 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
      • SchemaChangedEventArgs
      • SchemaChangedEventArgs.Kind
      • SchemaChangedEventHandler
      • ServerErrorException
      • Session
      • SetColumnInfo
      • SimpleStatement
      • SocketOptions
      • SSLOptions
      • Statement
      • SyntaxError
      • TableColumn
      • TableMetadata
      • TableOptions
      • TimeUuid
      • TokenAwarePolicy
      • ToManyConnectionsPerHost
      • TraceRetrievalException
      • TruncateException
      • TupleColumnInfo
      • TypeAdapters
      • UdtColumnInfo
      • UdtMap
      • UdtMap<T>
      • UdtMappingDefinitions
      • UnauthorizedException
      • UnavailableException
      • Unset
      • WriteFailureException
      • WriteTimeoutException
    • Dse.AppMetrics
      • DriverAppMetricsOptions
    • Dse.AppMetrics.MetricTypes
      • IAppMetricsCounter
      • IAppMetricsGauge
      • IAppMetricsMeter
      • IAppMetricsMetric
      • IAppMetricsTimer
    • Dse.AppMetrics.MetricValues
      • IAppMetricsHistogramValue
      • IAppMetricsMeterValue
      • IAppMetricsMetricWithValue<T>
      • IAppMetricsTimerValue
    • Dse.Auth
      • DseGssapiAuthProvider
      • DsePlainTextAuthProvider
    • Dse.Auth.Sspi
      • SspiException
    • Dse.Data
      • CqlBatchTransaction
      • CqlCommand
      • CqlConnection
      • CqlDataAdapter
      • CqlParameter
      • CqlParameterCollection
      • CqlProviderFactory
      • CqlReader
    • Dse.Data.Linq
      • AllowFilteringAttribute
      • Batch
      • ClusteringKeyAttribute
      • ColumnAttribute
      • CompactStorageAttribute
      • CounterAttribute
      • CqlArgumentException
      • CqlCommand
      • CqlConditionalCommand<TEntity>
      • CqlDelete
      • CqlFunction
      • CqlInsert<TEntity>
      • CqlLinqNotSupportedException
      • CqlOperator
      • CqlQuery<TEntity>
      • CqlQueryBase<TEntity>
      • CqlQueryExtensions
      • CqlQuerySingleElement<TEntity>
      • CqlScalar<TEntity>
      • CqlToken
      • CqlUpdate
      • IgnoreAttribute
      • ITable
      • PartitionKeyAttribute
      • SecondaryIndexAttribute
      • SessionExtensions
      • StaticColumnAttribute
      • Table<TEntity>
      • TableAttribute
      • TableType
    • Dse.Geometry
      • GeometryBase
      • LineString
      • Point
      • Polygon
    • Dse.Graph
      • Edge
      • Element
      • GraphNode
      • GraphOptions
      • GraphResultSet
      • GraphStatement
      • IEdge
      • IElement
      • IGraphNode
      • IGraphStatement
      • IPath
      • IProperty
      • IVertex
      • IVertexProperty
      • Path
      • SimpleGraphStatement
      • Vertex
    • Dse.Mapping
      • AppliedInfo<T>
      • ColumnMap
      • Cql
      • CqlQueryOptions
      • IColumnDefinition
      • ICqlBatch
      • ICqlQueryAsyncClient
      • ICqlQueryClient
      • ICqlWriteAsyncClient
      • ICqlWriteClient
      • IMapper
      • IPage<T>
      • ITypeDefinition
      • Map<TPoco>
      • Mapper
      • MappingConfiguration
      • Mappings
      • SortOrder
    • Dse.Mapping.Attributes
      • ClusteringKeyAttribute
      • ColumnAttribute
      • CounterAttribute
      • FrozenAttribute
      • FrozenKeyAttribute
      • FrozenValueAttribute
      • IgnoreAttribute
      • PartitionKeyAttribute
      • SecondaryIndexAttribute
      • StaticColumnAttribute
      • TableAttribute
    • Dse.Mapping.TypeConversion
      • DefaultTypeConverter
      • EnumStringMapper<T>
      • NullableEnumStringMapper<T>
      • TypeConverter
    • Dse.Mapping.Utils
      • MemberInfoExtensions
    • Dse.Metrics
      • DriverMetricsOptions
      • IDriverMetrics
      • IMetric
      • IMetricsRegistry<TMetric>
      • NodeMetric
      • NodeMetric.Counters
      • NodeMetric.Gauges
      • NodeMetric.Meters
      • NodeMetric.Timers
      • SessionMetric
      • SessionMetric.Counters
      • SessionMetric.Gauges
      • SessionMetric.Meters
      • SessionMetric.Timers
    • Dse.Metrics.Abstractions
      • IDriverCounter
      • IDriverGauge
      • IDriverMeter
      • IDriverMetric
      • IDriverMetricsProvider
      • IDriverTimer
    • Dse.Search
      • DateRange
      • DateRangeBound
      • DateRangePrecision
    • Dse.Serialization
      • CustomTypeSerializer<T>
      • TypeSerializer
      • TypeSerializer<T>
      • TypeSerializerDefinitions
      • UdtSerializer

    Class CqlQuerySingleElement<TEntity>

    Inheritance
    System.Object
    Statement
    CqlQueryBase<TEntity>
    CqlQuerySingleElement<TEntity>
    Implements
    IStatement
    Inherited Members
    CqlQueryBase<TEntity>.QueryAbortTimeout
    CqlQueryBase<TEntity>.Expression
    CqlQueryBase<TEntity>.ElementType
    CqlQueryBase<TEntity>.QueryTrace
    CqlQueryBase<TEntity>.RoutingKey
    CqlQueryBase<TEntity>.Keyspace
    CqlQueryBase<TEntity>.GetTable()
    CqlQueryBase<TEntity>.InternalExecuteWithProfileAsync(String, String, Object[])
    Statement.ProxyExecuteKey
    Statement.QueryValues
    Statement.SkipMetadata
    Statement.ConsistencyLevel
    Statement.SerialConsistencyLevel
    Statement.PageSize
    Statement.IsTracing
    Statement.ReadTimeoutMillis
    Statement.RetryPolicy
    Statement.PagingState
    Statement.Timestamp
    Statement.AutoPage
    Statement.OutgoingPayload
    Statement.IsIdempotent
    Statement.Host
    Statement.ExecutingAs(String)
    Statement.SetAutoPage(Boolean)
    Statement.SetPagingState(Byte[])
    Statement.SetReadTimeoutMillis(Int32)
    Statement.SetTimestamp(DateTimeOffset)
    Statement.EnableTracing(Boolean)
    Statement.DisableTracing()
    Statement.SetRetryPolicy(IRetryPolicy)
    Statement.SetIdempotence(Boolean)
    Statement.SetPageSize(Int32)
    Statement.SetOutgoingPayload(IDictionary<String, Byte[]>)
    Statement.SetHost(Host)
    System.Object.Equals(System.Object)
    System.Object.Equals(System.Object, System.Object)
    System.Object.GetHashCode()
    System.Object.GetType()
    System.Object.MemberwiseClone()
    System.Object.ReferenceEquals(System.Object, System.Object)
    Namespace: Dse.Data.Linq
    Assembly: Dse.dll
    Syntax
    public class CqlQuerySingleElement<TEntity> : CqlQueryBase<TEntity>, IInternalStatement, IStatement
    Type Parameters
    Name Description
    TEntity

    Methods

    BeginExecute(AsyncCallback, Object)

    Declaration
    public IAsyncResult BeginExecute(AsyncCallback callback, object state)
    Parameters
    Type Name Description
    System.AsyncCallback callback
    System.Object state
    Returns
    Type Description
    System.IAsyncResult

    EndExecute(IAsyncResult)

    Declaration
    public TEntity EndExecute(IAsyncResult ar)
    Parameters
    Type Name Description
    System.IAsyncResult ar
    Returns
    Type Description
    TEntity

    Execute()

    Evaluates the Linq query, executes the cql statement and returns the first result.

    Declaration
    public TEntity Execute()
    Returns
    Type Description
    TEntity

    Execute(String)

    Evaluates the Linq query, executes the cql statement with the provided execution profile and returns the first result.

    Declaration
    public TEntity Execute(string executionProfile)
    Parameters
    Type Name Description
    System.String executionProfile
    Returns
    Type Description
    TEntity

    ExecuteAsync()

    Declaration
    public Task<TEntity> ExecuteAsync()
    Returns
    Type Description
    System.Threading.Tasks.Task<TEntity>

    ExecuteAsync(String)

    Declaration
    public Task<TEntity> ExecuteAsync(string executionProfile)
    Parameters
    Type Name Description
    System.String executionProfile
    Returns
    Type Description
    System.Threading.Tasks.Task<TEntity>

    GetCql(out Object[])

    Declaration
    protected override string GetCql(out object[] values)
    Parameters
    Type Name Description
    System.Object[] values
    Returns
    Type Description
    System.String
    Overrides
    Dse.Data.Linq.CqlQueryBase<TEntity>.GetCql(System.Object[])

    SetConsistencyLevel(Nullable<ConsistencyLevel>)

    Declaration
    public CqlQuerySingleElement<TEntity> SetConsistencyLevel(ConsistencyLevel? consistencyLevel)
    Parameters
    Type Name Description
    System.Nullable<ConsistencyLevel> consistencyLevel
    Returns
    Type Description
    CqlQuerySingleElement<TEntity>

    SetSerialConsistencyLevel(ConsistencyLevel)

    Declaration
    public CqlQuerySingleElement<TEntity> SetSerialConsistencyLevel(ConsistencyLevel consistencyLevel)
    Parameters
    Type Name Description
    ConsistencyLevel consistencyLevel
    Returns
    Type Description
    CqlQuerySingleElement<TEntity>

    ToString()

    Declaration
    public override string ToString()
    Returns
    Type Description
    System.String
    Overrides
    System.Object.ToString()

    Implements

    IStatement
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