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 like (children 1)
      ExpressionList (children 2)
       Identifier s
       Literal \'%привет%\'
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier s
       Literal \'%world\'
   Set
