Marcel Kornacker has posted comments on this change.

Change subject: IMPALA-1740: Add support for skip.header.line.count.
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Patch Set 16:

(6 comments)

http://gerrit.cloudera.org:8080/#/c/2110/16/be/src/exec/hdfs-scanner.cc
File be/src/exec/hdfs-scanner.cc:

Line 635:     // When skipping multiple header lines we only try to skip them 
in the first scan
precede w/ blank line


http://gerrit.cloudera.org:8080/#/c/2110/16/be/src/runtime/descriptors.h
File be/src/runtime/descriptors.h:

Line 306:   PartitionIdToDescriptorMap partition_descriptors_;
why did you move this?


http://gerrit.cloudera.org:8080/#/c/2110/16/common/thrift/Descriptors.thrift
File common/thrift/Descriptors.thrift:

Line 75:   /// applies to hdfs text files.
this should only be in THdfsTable


http://gerrit.cloudera.org:8080/#/c/2110/16/fe/src/main/java/com/cloudera/impala/catalog/HdfsTable.java
File fe/src/main/java/com/cloudera/impala/catalog/HdfsTable.java:

Line 1842:         skipHeaderLineCount = 
Integer.parseInt(msTable_.getParameters().get(key));
parseInt returns a signed value; check for < 0


Line 1844:         throw new NumberFormatException(String.format(
what happens when you hit that? this is an uncaught exception.

also: test case missing.


http://gerrit.cloudera.org:8080/#/c/2110/16/fe/src/main/java/com/cloudera/impala/catalog/Table.java
File fe/src/main/java/com/cloudera/impala/catalog/Table.java:

Line 479:   public int getSkipHeaderLineCount() { return 0; }
this doesn't make sense for anything other than an hdfs table. move it there.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I595f01a165d41499ca1956fe748ba3840a6eb543
Gerrit-PatchSet: 16
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Lars Volker <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Skye Wanderman-Milne <[email protected]>
Gerrit-HasComments: Yes

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