Module: FastCount::Extensions::RelationExtension

Defined in:
lib/fast_count/extensions.rb

Instance Method Summary collapse

Instance Method Details

#estimated_count ⇒ Object

Returns an estimated number of rows that the query will return (without actually executing it).

Examples:

User.where.missing(:avatar).estimated_count


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# File 'lib/fast_count/extensions.rb', line 50

def estimated_count
  adapter = Adapters.for_connection(connection)
  adapter.estimated_count(to_sql)
end