ttttttz has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/19937 )

Change subject: IMPALA-12164: Avoid referencing non-materialized slots in 
analytic limit pushdown
......................................................................


Patch Set 18:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/19937/18/fe/src/main/java/org/apache/impala/analysis/Analyzer.java
File fe/src/main/java/org/apache/impala/analysis/Analyzer.java:

http://gerrit.cloudera.org:8080/#/c/19937/18/fe/src/main/java/org/apache/impala/analysis/Analyzer.java@1905
PS18, Line 1905:       if (foundConstantFalse) break;
> Was the intention here really to skip registerConjunct/markConstantConjunct
Hi, Michael Smith! Thank you for your comment. Our current logic stops 
processing further conjuncts once a constant FALSE is found, aiming to improve 
efficiency since the overall condition is already determined to be FALSE at 
that point. I understand your concern that this behavior differs from the 
registerOnClauseConjuncts method, which may continue processing all conjuncts 
regardless.  However, I am not sure if this causes any issues. Is it unsafe 
even if we mark it as assigned?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I9e078f48863c38062e1e624a1ff3e9317092466f
Gerrit-Change-Number: 19937
Gerrit-PatchSet: 18
Gerrit-Owner: ttttttz <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: ttttttz <[email protected]>
Gerrit-Comment-Date: Thu, 15 Aug 2024 02:31:09 +0000
Gerrit-HasComments: Yes

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