SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier row_limits_fail_fast
   Function in (children 1)
    ExpressionList (children 2)
     Identifier key
     Literal Tuple_(UInt64_1, UInt64_2, UInt64_3, UInt64_4, UInt64_5)
