%start column_ident

%left DUMMY
%right '.'

%%
column_ident:
    table_ident '.' ident
  | table_ident
;

table_ident:
    ident '.' database_ident
  | ident %prec DUMMY
;

database_ident:
    ident
;

ident:
    IDENT
  | IDENT_QUOTED
;
%%