row_value_constructor

row_value_constructor 
      ::= 
      row_value_constructor_elem 
      | "(" row_value_const_list ")" 
      | row_subquery 

This rule is called by

-> between_predicate
-> comp_predicate
-> in_predicate
-> match_predicate
-> null_predicate
-> quantified_comp_predicate
-> row_value_constructor_1
-> row_value_constructor_2
-> table_value_const_list