Class: Google::Apis::SpannerV1::IndexAdvice

Inherits:

Object

• Object
• Google::Apis::SpannerV1::IndexAdvice

Includes:

Core::Hashable, Core::JsonObjectSupport

Defined in:

lib/google/apis/spanner_v1/classes.rb,
lib/google/apis/spanner_v1/representations.rb,
lib/google/apis/spanner_v1/representations.rb

Overview

Recommendation to add new indexes to run queries more efficiently.

Instance Attribute Summary

• #ddl ⇒ Array<String>

  Optional.

• #improvement_factor ⇒ Float

  Optional.

Instance Method Summary

• #initialize(**args) ⇒ IndexAdvice constructor

  A new instance of IndexAdvice.

• #update!(**args) ⇒ Object

  Update properties of this object.

Constructor Details

#initialize(**args) ⇒ IndexAdvice

Returns a new instance of IndexAdvice.

# File 'lib/google/apis/spanner_v1/classes.rb', line 3201

def initialize(**args)
   update!(**args)
end

Instance Attribute Details

#ddl ⇒ Array<String>

Optional. DDL statements to add new indexes that will improve the query. Corresponds to the JSON property ddl

Returns:

• (Array<String>)

# File 'lib/google/apis/spanner_v1/classes.rb', line 3192

def ddl
  @ddl
end

#improvement_factor ⇒ 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. Corresponds to the JSON property improvementFactor

Returns:

• (Float)

# File 'lib/google/apis/spanner_v1/classes.rb', line 3199

def improvement_factor
  @improvement_factor
end

Instance Method Details

#update!(**args) ⇒ Object

Update properties of this object

# File 'lib/google/apis/spanner_v1/classes.rb', line 3206

def update!(**args)
  @ddl = args[:ddl] if args.key?(:ddl)
  @improvement_factor = args[:improvement_factor] if args.key?(:improvement_factor)
end