Mihaly Szjatinya has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21825 )

Change subject: IMPALA-889: Add trim() function matching ANSI SQL definition
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Patch Set 16:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/21825/15//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/21825/15//COMMIT_MSG@44
PS15, Line 44: UTF8 mode
> Nit: I'd leave it as "UTF8 mode" because 'UTF8_MODE' is the name of the spe
Done


http://gerrit.cloudera.org:8080/#/c/21825/12/fe/src/main/java/org/apache/impala/analysis/TrimFromExpr.java
File fe/src/main/java/org/apache/impala/analysis/TrimFromExpr.java:

http://gerrit.cloudera.org:8080/#/c/21825/12/fe/src/main/java/org/apache/impala/analysis/TrimFromExpr.java@85
PS12, Line 85:   // Special case for "TRIM(<charset> FROM <string>)": charset 
is a simple slot reference.
> | Changing here and in related .cup section.
Hmm, no idea what happened. Should be good in newest udpate.


http://gerrit.cloudera.org:8080/#/c/21825/12/fe/src/main/java/org/apache/impala/analysis/TrimFromExpr.java@148
PS12, Line 148: super.getParams().size() == 1
> Pehraps, changed.
However, Preconditions won't do here. In sort of queries with simple column 
reference, AnalyzeImpl() gets called multiple times. I don't know it's a bug or 
feature, but it works like that for generic FunctionExpr functions as well.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I3c4fa6d0d8d0684c4b6d8dac8fd531d205e4f7b4
Gerrit-Change-Number: 21825
Gerrit-PatchSet: 16
Gerrit-Owner: Mihaly Szjatinya <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Daniel Becker <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Mihaly Szjatinya <[email protected]>
Gerrit-Reviewer: Noemi Pap-Takacs <[email protected]>
Gerrit-Reviewer: Peter Rozsa <[email protected]>
Gerrit-Comment-Date: Thu, 31 Oct 2024 17:52:37 +0000
Gerrit-HasComments: Yes

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