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 test
   Function and (children 1)
    ExpressionList (children 3)
     Function empty (children 1)
      ExpressionList (children 1)
       Function arrayJoin (children 1)
        ExpressionList (children 1)
         Identifier json.a.r.:`Array(JSON)`.^`b`
     Function empty (children 1)
      ExpressionList (children 1)
       Function arrayJoin (children 1)
        ExpressionList (children 1)
         Identifier json.a.r.:`Array(JSON)`.^`b`.c
     Function isNull (children 1)
      ExpressionList (children 1)
       Function arrayJoin (children 1)
        ExpressionList (children 1)
         Identifier json.a.r.:`Array(JSON)`.b.c.d_0.:`Int64`
