Class: ActiveReporter::Aggregator::Array

Inherits:
Base
  • Object
show all
Defined in:
lib/active_reporter/aggregator/array.rb

Instance Attribute Summary

Attributes inherited from Base

#name, #options, #report

Instance Method Summary collapse

Methods inherited from Base

#default_value, #initialize, #sql_value_name

Constructor Details

This class inherits a constructor from ActiveReporter::Aggregator::Base

Instance Method Details

#aggregate(groups) ⇒ Object 



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# File 'lib/active_reporter/aggregator/array.rb', line 6

def aggregate(groups)
  fail InvalidParamsError, "array aggregator is only supported in Postgres" unless ActiveReporter.database_type == :postgres

  super
end

#function ⇒ Object 



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# File 'lib/active_reporter/aggregator/array.rb', line 12

def function
  "ARRAY_AGG(#{expression})"
end