Surya Hebbar has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/22280 )

Change subject: IMPALA-13566: Expose query cancellation status to UDFs
......................................................................


Patch Set 3:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/22280/3/be/src/exprs/utility-functions-ir.cc
File be/src/exprs/utility-functions-ir.cc:

http://gerrit.cloudera.org:8080/#/c/22280/3/be/src/exprs/utility-functions-ir.cc@171
PS3, Line 171:   for (int remaining_sleep_duration = milliseconds.val; 
remaining_sleep_duration > 0;
             :        remaining_sleep_duration -= 
SLEEP_UNINTERRUPTIBLE_INTERVAL_MS) {
             :     if (ctx->IsQueryCancelled()) {
             :       return BooleanVal(true);
             :     }
             :     SleepForMs(min(remaining_sleep_duration, 
SLEEP_UNINTERRUPTIBLE_INTERVAL_MS));
             :   }
> Commenting on someone else's comment :)
Thanks for noting that. My intention was also just to keep the sleep function 
precise, should not have phrased it as efficient.

I was thinking the above first call within the if condition 
"(ctx->IsQueryCancelled())" would also run within each batch, resulting in no 
need for checking cancel.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I9430167f7e46bbdf66153abb4645541cd8cf0142
Gerrit-Change-Number: 22280
Gerrit-PatchSet: 3
Gerrit-Owner: Xuebin Su <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Surya Hebbar <[email protected]>
Gerrit-Comment-Date: Sun, 05 Jan 2025 20:06:25 +0000
Gerrit-HasComments: Yes

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