Class: Google::Cloud::Spanner::V1::QueryAdvisorResult

Inherits:
Object
  • Object
show all
Extended by:
Protobuf::MessageExts::ClassMethods
Includes:
Protobuf::MessageExts
Defined in:
proto_docs/google/spanner/v1/query_plan.rb

Overview

Output of query advisor analysis.

Defined Under Namespace

Classes: IndexAdvice

Instance Attribute Summary collapse

Instance Attribute Details

#index_advice ⇒ ::Array<::Google::Cloud::Spanner::V1::QueryAdvisorResult::IndexAdvice>

Returns Optional. Index Recommendation for a query. This is an optional field and the recommendation will only be available when the recommendation guarantees significant improvement in query performance.

Returns:



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# File 'proto_docs/google/spanner/v1/query_plan.rb', line 144

class QueryAdvisorResult
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Recommendation to add new indexes to run queries more efficiently.
  # @!attribute [rw] ddl
  #   @return [::Array<::String>]
  #     Optional. DDL statements to add new indexes that will improve the query.
  # @!attribute [rw] improvement_factor
  #   @return [::Float]
  #     Optional. Estimated latency improvement factor. For example if the query
  #     currently takes 500 ms to run and the estimated latency with new indexes
  #     is 100 ms this field will be 5.
  class IndexAdvice
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end
end