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

select id,test from /test/alert_status_cache
/**
output()
matchcount(id, "31245179064114961", test, "aaa", 1)
**/
;

update /test/alert_status_cache set test='xxx' where id="31245179064114961"
/**
output()
**/
;

select id,test from /test/alert_status_cache
/**
output()
matchcount(id, "31245179064114961", test, "xxx", 1)
**/
;

update /test/alert_status_cache set test='xxx' where id="31245179064114961"
/**
output()
**/
;

select id,test from /test/alert_status_cache
/**
output()
matchcount(id, "31245179064114961", test, "xxx", 1)
**/
;