Quanlong Huang has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21559 )

Change subject: IMPALA-13161: Fix column index overflow in DelimitedTextParser
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Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/21559/2/be/src/exec/delimited-text-parser.inline.h
File be/src/exec/delimited-text-parser.inline.h:

http://gerrit.cloudera.org:8080/#/c/21559/2/be/src/exec/delimited-text-parser.inline.h@76
PS2, Line 76:   if (column_idx_ < num_cols_) ++column_idx_;
> Why would we call "AddColumn" more times than num_cols_?
num_cols_ comes from the table metadata. The actual data line could have more 
field delimiters so we need to iterate them until the next line delimiter.

https://github.com/apache/impala/blob/e419545c1c2b6fa0b6d23643d3b2eb0faa4dce52/be/src/exec/delimited-text-parser.h#L110-L112



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I527a8971e92e270d5576c2155e4622dd6d43d745
Gerrit-Change-Number: 21559
Gerrit-PatchSet: 2
Gerrit-Owner: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Comment-Date: Wed, 10 Jul 2024 04:41:02 +0000
Gerrit-HasComments: Yes

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