Google Cloud Datastore v1 API - Class AggregationQuery.Types.Aggregation.Types.Count (4.14.0)

public sealed class AggregationQuery.Types.Aggregation.Types.Count : IMessage<AggregationQuery.Types.Aggregation.Types.Count>, IEquatable<AggregationQuery.Types.Aggregation.Types.Count>, IDeepCloneable<AggregationQuery.Types.Aggregation.Types.Count>, IBufferMessage, IMessage

Reference documentation and code samples for the Google Cloud Datastore v1 API class AggregationQuery.Types.Aggregation.Types.Count.

Count of entities that match the query.

The COUNT(*) aggregation function operates on the entire entity so it does not require a field reference.

Inheritance

object > AggregationQuery.Types.Aggregation.Types.Count

Implements

IMessage AggregationQuery Types Aggregation Types Count, IEquatable AggregationQuery Types Aggregation Types Count, IDeepCloneable AggregationQuery Types Aggregation Types Count, IBufferMessage, IMessage

Inherited Members

object.GetHashCode()

object.GetType()

object.ToString()

Namespace

Google.Cloud.Datastore.V1

Assembly

Google.Cloud.Datastore.V1.dll

Constructors

Count()

public Count()

Count(Count)

public Count(AggregationQuery.Types.Aggregation.Types.Count other)

Parameter
Name	Description
`other`	`AggregationQueryTypesAggregationTypesCount`

Properties

UpTo

public long? UpTo { get; set; }

Optional. Optional constraint on the maximum number of entities to count.

This provides a way to set an upper bound on the number of entities to scan, limiting latency, and cost.

Unspecified is interpreted as no bound.

If a zero value is provided, a count result of zero should always be expected.

High-Level Example:

AGGREGATE COUNT_UP_TO(1000) OVER ( SELECT * FROM k );

Requires:

Must be non-negative when present.

Property Value
Type	Description
`long`