SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_tuple_filter
   Function equals (children 1)
    ExpressionList (children 2)
     Function tuple (children 1)
      ExpressionList (children 3)
       Identifier id
       Identifier value
       Function concat (children 1)
        ExpressionList (children 2)
         Identifier value
         Literal \'foo\'
     Literal Tuple_(\'1\', \'A\', \'A\')
