Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/15864 )

Change subject: IMPALA-7833 Audit and fix string builtins for long string 
handling
......................................................................


Patch Set 6: Code-Review+1

(2 comments)

Found a couple of nits, but other than that LGTM.

http://gerrit.cloudera.org:8080/#/c/15864/6/be/src/exprs/aggregate-functions-ir.cc
File be/src/exprs/aggregate-functions-ir.cc:

http://gerrit.cloudera.org:8080/#/c/15864/6/be/src/exprs/aggregate-functions-ir.cc@758
PS6, Line 758: "Concatenated string length larger than allowed limit of "
             :         + PrettyPrinter::Print(StringVal::MAX_LENGTH, 
TUnit::BYTES)
             :         + " character data.").c_str()
> nit: Impala's convention is to use the Substitute() function from "gutil/st
Also, the format string could be stored in a global constant, so you wouldn't  
repeat it multiple times.


http://gerrit.cloudera.org:8080/#/c/15864/6/be/src/exprs/string-functions-ir.cc
File be/src/exprs/string-functions-ir.cc:

http://gerrit.cloudera.org:8080/#/c/15864/6/be/src/exprs/string-functions-ir.cc@172
PS6, Line 172: "rpad() result is larger than allowed limit of "
nit: you could have a global format string like:

"$0 result is larger than allowed limit of $1 character data."

and you'd just pass 'space()/repeat()/lpad()/rpad()' and the limit to 
Substitute().



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I93a53845f04e61ff446b363c78db1e49cbd5dc49
Gerrit-Change-Number: 15864
Gerrit-PatchSet: 6
Gerrit-Owner: Akos Kovacs <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Mon, 11 May 2020 14:23:06 +0000
Gerrit-HasComments: Yes

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