Dan Burkert has posted comments on this change.

Change subject: KUDU-861 Support changing default, storage attributes
......................................................................


Patch Set 12:

(13 comments)

http://gerrit.cloudera.org:8080/#/c/4310/12/java/kudu-client/src/main/java/org/apache/kudu/client/AlterTableOptions.java
File 
java/kudu-client/src/main/java/org/apache/kudu/client/AlterTableOptions.java:

PS12, Line 133: `newDefault` must not be null or
              :    * else throws {@link IllegalArgumentException}.
Does Kudu allow a nullable column to not have a default value (e.g. error on 
omission)?


http://gerrit.cloudera.org:8080/#/c/4310/12/java/kudu-client/src/main/java/org/apache/kudu/client/ProtobufHelper.java
File java/kudu-client/src/main/java/org/apache/kudu/client/ProtobufHelper.java:

Line 256:     } else if (value instanceof byte[]) {
PartialRow allows setting a binary column with a ByteBuffer, so that should 
probably work here as well.


http://gerrit.cloudera.org:8080/#/c/4310/12/java/kudu-client/src/test/java/org/apache/kudu/client/TestKuduTable.java
File java/kudu-client/src/test/java/org/apache/kudu/client/TestKuduTable.java:

PS12, Line 88: pizza
I think this is going to fail when you rebase against master.  The debug format 
of string columns was recently changed to include quotes around the value.


Line 135:       syncClient.deleteTable(tableName);
We just fixed this, so you can remove this try/finally.


http://gerrit.cloudera.org:8080/#/c/4310/12/src/kudu/common/schema.cc
File src/kudu/common/schema.cc:

Line 60:     if (col_delta.has_default && col_delta.default_value.size() < 
type_info()->size()) {
Should this be a != instead of the inequality?


PS12, Line 71: NULL
prefer using nullptr instead of NULL


Line 80:       if (write_default_ == NULL) {
I commented on this previously but I think it got lost in the shuffle - Can 
these if/else trees be collapsed to just the else branch?  It seems like Reset 
should work even if the current value is nullptr.


Line 494:   unordered_set<string>::const_iterator it_names;
move this down to above the second if statement, and initialize it with the 
declaration.  Goal here is to remove all the initialization-in-if-conditions, I 
find those difficult.


Line 497:   if ((it_names = col_names_.find(new_name)) != col_names_.end()) {
Don't use a local variable here, since it's not referenced again.


PS12, Line 547: = col_names_.find(col_delta.name)
move this initialization to the line above.


http://gerrit.cloudera.org:8080/#/c/4310/12/src/kudu/common/schema.h
File src/kudu/common/schema.h:

Line 128:   std::string new_name;
I think it would be cleaner if all of these fields were wrapped in a 
boost::optional instead of having the associated boolean.


PS12, Line 281: return
returns


http://gerrit.cloudera.org:8080/#/c/4310/12/src/kudu/common/wire_protocol.cc
File src/kudu/common/wire_protocol.cc:

PS12, Line 266:       
indentation


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Gerrit-MessageType: comment
Gerrit-Change-Id: I457d99ba2188ef6e439df47c0d94f2dc1a62ea6c
Gerrit-PatchSet: 12
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Will Berkeley <wdberke...@gmail.com>
Gerrit-Reviewer: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
Gerrit-Reviewer: Will Berkeley <wdberke...@gmail.com>
Gerrit-HasComments: Yes

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