InsertQuery   (children 2)
 Identifier counters
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Function sum (children 1)
      ExpressionList (children 1)
       Identifier value
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.errors
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier name
      Literal \'ILLEGAL_TYPE_OF_ARGUMENT\'
