#NEWLINE# def get_sql_column_config( self , data_source_config , lang ) : #NEWLINE# #INDENT# return SqlColumnConfig ( columns = [ AggregateColumn ( header = self . get_header ( lang ) , aggregate_fn = ( lambda year , month : { #NEWLINE# #INDENT# 'year' : year , #NEWLINE# 'month' : month , #NEWLINE# #UNINDENT# } ) , format_fn = self . get_format_fn ( ) , columns = [ YearColumn ( self . field , alias = self . _year_column_alias ( ) ) , MonthColumn ( self . field , alias = self . _month_column_alias ( ) ) ] , slug = self . column_id , data_slug = self . column_id ) ] )