SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier json.arr.:`Array(JSON)`.arr1
    Identifier json.arr.:`Array(JSON)`.arr2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_wide_advanced
   Literal UInt64_3
