SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Identifier c0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_limit_by_validation
   ExpressionList (children 1)
    Identifier c0
   Literal UInt64_1
   ExpressionList (children 1)
    Identifier c1
