SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function materialize (alias s) (children 1)
     ExpressionList (children 1)
      Literal \'Привет, World\'
   Function or (children 1)
    ExpressionList (children 3)
     Function like (children 1)
      ExpressionList (children 2)
       Identifier s
       Literal \'hell%\'
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier s
       Literal \'%привет%\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier s
       Literal \'world%\'
   Set
