wenzhenghu opened a new issue, #59137: URL: https://github.com/apache/doris/issues/59137
### Search before asking - [x] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Version all versions ### What's Wrong? The SqlDigestfield in the audit log for slow queries is always d41d8cd98f00b204e9800998ecf8427e（null string）, regardless of the stmt content We can obtain direct evidence from the audit log documentation of Doris https://doris.apache.org/docs/4.x/query-acceleration/performance-tuning-overview/diagnostic-tools#audit-log. ``` 2024-07-18 11:23:13,042 [slow_query] |Client=127.0.0.1:63510|User=root|Ctl=internal|Db=tpch_sf1000|State=EOF|ErrorCode=0|ErrorMessage=|Time(ms)=11603|ScanBytes=236667379712|ScanRows=13649979418|ReturnRows=100|StmtId=1689|QueryId=91ff336304f14182-9ca537eee75b3856|IsQuery=true|isNereids=true|feIp=172.21.0.10|Stmt=select c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity) from customer, orders, lineitem where o_orderkey in ( select l_orderkey from lineitem group by l_orderkey having sum(l_quantity) > 300 ) and c_custkey = o_custkey and o_orderkey = l_orderkey group by c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice order by o_totalprice desc, o_orderdate limit 100|CpuTimeMS=918556|ShuffleSendBytes=3267419|ShuffleSendRows=89668|SqlHash=b4e1de9f251214a30188180f37907f7d|peakMemoryBytes=3 8720935552|SqlDigest=d41d8cd98f00b204e9800998ecf8427e|cloudClusterName=UNKNOWN|TraceId=|WorkloadGroup=normal|FuzzyVariables=|scanBytesFromLocalStorage=0|scanBytesFromRemoteStorage=0 2024-07-18 11:23:33,043 [slow_query] |Client=127.0.0.1:26672|User=root|Ctl=internal|Db=tpch_sf1000|State=EOF|ErrorCode=0|ErrorMessage=|Time(ms)=8978|ScanBytes=334985555968|ScanRows=10717654374|ReturnRows=100|StmtId=1815|QueryId=6e1fae453cb04d9a-b1e5f94d9cea1885|IsQuery=true|isNereids=true|feIp=172.21.0.10|Stmt=select s_name, count(*) as numwait from supplier, lineitem l1, orders, nation where s_suppkey = l1.l_suppkey and o_orderkey = l1.l_orderkey and o_orderstatus = 'F' and l1.l_receiptdate > l1.l_commitdate and exists ( select * from lineitem l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey ) and not exists ( select * from lineitem l3 where l3.l_orderkey = l1.l_orderkey and l3.l_suppkey <> l1.l_suppkey and l3.l_receiptdate > l3.l_commitdate ) and s_nationkey = n_nationkey and n_name = 'SAUDI ARABIA' group by s_name order by numwait desc, s_name limit 100|CpuTimeMS=990127|ShuffleSendBytes=59208164|ShuffleSendRows=3651504|SqlHash=f8a30e4182d72cce3eff6cb385005b1f|peakMemoryBytes=10495660672|SqlDigest=d41d8cd98f00b204e9800998ecf8427e|cloudClusterName=UNKNOWN|TraceId=|WorkloadGroup=normal|FuzzyVariables=|scanBytesFromLocalStorage=0|scanBytesFromRemoteStorage=0 2024-07-18 11:23:41,044 [slow_query] |Client=127.0.0.1:26684|User=root|Ctl=internal|Db=tpch_sf1000|State=EOF|ErrorCode=0|ErrorMessage=|Time(ms)=8514|ScanBytes=334986551296|ScanRows=10717654374|ReturnRows=100|StmtId=1833|QueryId=4f91483464ce4aa8-beeed7dcb8675bc8|IsQuery=true|isNereids=true|feIp=172.21.0.10|Stmt=select s_name, count(*) as numwait from supplier, lineitem l1, orders, nation where s_suppkey = l1.l_suppkey and o_orderkey = l1.l_orderkey and o_orderstatus = 'F' and l1.l_receiptdate > l1.l_commitdate and exists ( select * from lineitem l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey ) and not exists ( select * from lineitem l3 where l3.l_orderkey = l1.l_orderkey and l3.l_suppkey <> l1.l_suppkey and l3.l_receiptdate > l3.l_commitdate ) and s_nationkey = n_nationkey and n_name = 'SAUDI ARABIA' group by s_name order by numwait desc, s_name limit 100|CpuTimeMS=925841|ShuffleSendBytes=59223190|ShuffleSendRows=3651602|SqlHash=f8a30e4182d72cce3eff6cb385005b1f|peakMemoryBytes=10505123104|SqlDigest=d41d8cd98f00b204e9800998ecf8427e|cloudClusterName=UNKNOWN|TraceId=|WorkloadGroup=normal|FuzzyVariables=|scanBytesFromLocalStorage=0|scanBytesFromRemoteStorage=0 2024-07-18 11:23:49,044 [slow_query] |Client=127.0.0.1:10748|User=root|Ctl=internal|Db=tpch_sf1000|State=EOF|ErrorCode=0|ErrorMessage=|Time(ms)=8660|ScanBytes=334987673600|ScanRows=10717654374|ReturnRows=100|StmtId=1851|QueryId=4599cb1bab204f80-ac430dd78b45e3da|IsQuery=true|isNereids=true|feIp=172.21.0.10|Stmt=select s_name, count(*) as numwait from supplier, lineitem l1, orders, nation where s_suppkey = l1.l_suppkey and o_orderkey = l1.l_orderkey and o_orderstatus = 'F' and l1.l_receiptdate > l1.l_commitdate and exists ( select * from lineitem l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey ) and not exists ( select * from lineitem l3 where l3.l_orderkey = l1.l_orderkey and l3.l_suppkey <> l1.l_suppkey and l3.l_receiptdate > l3.l_commitdate ) and s_nationkey = n_nationkey and n_name = 'SAUDI ARABIA' group by s_name order by numwait desc, s_name limit 100|CpuTimeMS=932664|ShuffleSendBytes=59223178|ShuffleSendRows=3651991|SqlHash=f8a30e4182d72cce3eff6cb385005b1f|peakMemoryBytes=10532849344|SqlDigest=d41d8cd98f00b204e9800998ecf8427e|cloudClusterName=UNKNOWN|TraceId=|WorkloadGroup=normal|FuzzyVariables=|scanBytesFromLocalStorage=0|scanBytesFromRemoteStorage=0 ``` The example contains four slow query log entries, generated by two different SQL patterns（1 and 2,3,4）, yet the SqlDigestfield for all of them is d41d8cd98f00b204e9800998ecf8427e ### What You Expected? should be SQL pattern md5 rather than null string md5 ### How to Reproduce? just config.qe_slow_log_ms small enough ### Anything Else? _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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