SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 6)
   ExpressionList (children 2)
    Identifier c0
    Identifier c1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_limit_by_validation
   ExpressionList (children 2)
    Identifier c0
    Identifier c1
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier c0
    OrderByElement (children 1)
     Identifier c1
   Literal UInt64_1
   ExpressionList (children 1)
    Identifier c1
