Amogh Margoor has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/17389 )

Change subject: IMPALA-10680: Replace StringToFloatInternal using 
fast_double_parser library
......................................................................


Patch Set 8:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/17389/7/be/src/util/string-parser.h
File be/src/util/string-parser.h:

http://gerrit.cloudera.org:8080/#/c/17389/7/be/src/util/string-parser.h@508
PS7, Line 508: s[len])
> The idea is to find the conditions to go to the ELSE branch quickly (withou
I see. Thanks for the details. So those conditions do not determine ELSE i.e., 
they don't determine if string copy is not required. We can have strings 
satisfying those conditions and still needing copy (for e.g., when they are not 
null-terminated). And also we want some strings that do not satisfy above 
conditions to goto ELSE branch. For instance a null-terminated invalid input 
"INVALID_NUM", we want it to goto ELSE branch and not create copy of it.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ic105ad38a2fcbf2fb4e8ae8af6d9a8e251a9c141
Gerrit-Change-Number: 17389
Gerrit-PatchSet: 8
Gerrit-Owner: Amogh Margoor <amarg...@gmail.com>
Gerrit-Reviewer: Amogh Margoor <amarg...@gmail.com>
Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com>
Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com>
Gerrit-Comment-Date: Sun, 11 Jul 2021 15:58:47 +0000
Gerrit-HasComments: Yes

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