SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 4)
    Identifier json.a.r
    Identifier json.a.r.:`Array(JSON)`.^`b`
    Identifier json.a.r.:`Array(JSON)`.^`b`.c
    Identifier json.a.r.:`Array(JSON)`.b.c.d_0.:`Int64`
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
 Identifier Null
