public sealed class StructuredAggregationQuery.Types.Aggregation.Types.Count : IMessage<StructuredAggregationQuery.Types.Aggregation.Types.Count>, IEquatable<StructuredAggregationQuery.Types.Aggregation.Types.Count>, IDeepCloneable<StructuredAggregationQuery.Types.Aggregation.Types.Count>, IBufferMessage, IMessageReference documentation and code samples for the Firestore v1 API class StructuredAggregationQuery.Types.Aggregation.Types.Count.
Count of documents that match the query.
The COUNT(*) aggregation function operates on the entire document
so it does not require a field reference.
Implements
IMessageStructuredAggregationQueryTypesAggregationTypesCount, IEquatableStructuredAggregationQueryTypesAggregationTypesCount, IDeepCloneableStructuredAggregationQueryTypesAggregationTypesCount, IBufferMessage, IMessageNamespace
Google.Cloud.Firestore.V1Assembly
Google.Cloud.Firestore.V1.dll
Constructors
Count()
public Count()Count(Count)
public Count(StructuredAggregationQuery.Types.Aggregation.Types.Count other)| Parameter | |
|---|---|
| Name | Description |
other |
StructuredAggregationQueryTypesAggregationTypesCount |
Properties
UpTo
public long? UpTo { get; set; }Optional. Optional constraint on the maximum number of documents to count.
This provides a way to set an upper bound on the number of documents to scan, limiting latency, and cost.
Unspecified is interpreted as no bound.
High-Level Example:
AGGREGATE COUNT_UP_TO(1000) OVER ( SELECT * FROM k );
Requires:
- Must be greater than zero when present.
| Property Value | |
|---|---|
| Type | Description |
long |
|