InsertQuery   (children 2)
 Identifier t
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Identifier value
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.events
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier event
      Literal \'OverflowThrow\'
