update /test/alert_status set test='aaa'
/**
output()
**/
;

select id,test from /test/alert_status
/**
output()
matchcount(id, "10667786883043395674", test, "aaa", 1)
**/
;

update /test/alert_status set test='xxx' where id="10667786883043395674"
/**
output()
**/
;

select id,test from /test/alert_status
/**
output()
matchcount(id, "10667786883043395674", test, "xxx", 1)
**/
;

update /test/alert_status set test='xxx' where id="10667786883043395674"
/**
output()
**/
;

select id,test from /test/alert_status
/**
output()
matchcount(id, "10667786883043395674", test, "xxx", 1)
**/
;