Dan Hecht has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9525 )

Change subject: IMPALA-6389: Make '\0' delimited text files work
......................................................................


Patch Set 1:

(7 comments)

http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.h
File be/src/exec/delimited-text-parser.h:

http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.h@29
PS1, Line 29: delimited_tuples
comment on what that is.

it'd be nice if we used all caps for template args more consistently, but I see 
we already have template args in this class that don't do that, so okay to 
ignore.


http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.h@51
PS1, Line 51: tuple_delim
what should be passed in here when !delimited_tuples?  let's at least note in 
the comment above that this is ignored when !delimited_tuples


http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.h@96
PS1, Line 96:   /// This function is disabled for non-sequence file parsing.
            :   template <bool process_escapes, bool enabled=true>
            :   typename std::enable_if<!delimited_tuples && enabled, 
Status>::type
why do we need that?


http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.h@222
PS1, Line 222: tuple_delim_
how about saying that's valid only when delimited_tuples is true?


http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.inline.h
File be/src/exec/delimited-text-parser.inline.h:

http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.inline.h@55
PS1, Line 55: b
why isn't that delimited_tuples? is it something different


http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.inline.h@163
PS1, Line 163:  tuple_delim_ || (tuple_delim_
do those need to be guarded?


http://gerrit.cloudera.org:8080/#/c/9525/1/be/src/exec/delimited-text-parser.inline.h@235
PS1, Line 235: enabled
what's that about?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I4b6f38cbe3f1036f60efd31a31d82d0cd8f3d2a8
Gerrit-Change-Number: 9525
Gerrit-PatchSet: 1
Gerrit-Owner: Zach Amsden <zams...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Wed, 07 Mar 2018 21:00:22 +0000
Gerrit-HasComments: Yes

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