Class: Google::Cloud::Firestore::V1::StructuredAggregationQuery::Aggregation::Count
- Inherits:
-
Object
- Object
- Google::Cloud::Firestore::V1::StructuredAggregationQuery::Aggregation::Count
- Extended by:
- Protobuf::MessageExts::ClassMethods
- Includes:
- Protobuf::MessageExts
- Defined in:
- proto_docs/google/firestore/v1/query.rb
Overview
Count of documents that match the query.
The COUNT(*)
aggregation function operates on the entire document
so it does not require a field reference.
Instance Attribute Summary collapse
-
#up_to ⇒ ::Google::Protobuf::Int64Value
Optional.
Instance Attribute Details
#up_to ⇒ ::Google::Protobuf::Int64Value
Returns 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.
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# File 'proto_docs/google/firestore/v1/query.rb', line 543 class Count include ::Google::Protobuf::MessageExts extend ::Google::Protobuf::MessageExts::ClassMethods end |