Method: Babik::Selection::Operation::Month#sql_function

Defined in:
lib/babik/queryset/lib/selection/operation/date.rb

#sql_function ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/babik/queryset/lib/selection/operation/date.rb', line 74

def sql_function
  dbms_adapter = db_engine
  return 'MONTH(#field)' if dbms_adapter == 'mysql2'
  return 'EXTRACT(MONTH FROM #field)' if dbms_adapter == 'postgresql'
  return 'strftime(\'%m\', #field)' if dbms_adapter == 'sqlite3'
  raise NotImplementedError, "#{self.class} lookup not implemented for #{dbms_adapter}"
end