Jean-Daniel Cryans has posted comments on this change.

Change subject: [java-client] implement ColumnPredicate API
......................................................................


Patch Set 2:

(7 comments)

First pass, need to spend more time looking at KuduPredicate.

http://gerrit.cloudera.org:8080/#/c/2591/2/java/kudu-client/src/main/java/org/kududb/client/AbstractKuduScannerBuilder.java
File 
java/kudu-client/src/main/java/org/kududb/client/AbstractKuduScannerBuilder.java:

Line 38:   final Map<String, KuduPredicate> predicates = new HashMap<>();
Just reading this line, it's not evident that this is keyed by column name. 
Rename or add a comment?


Line 74: addPredicate
Use the proper javadoc syntax


http://gerrit.cloudera.org:8080/#/c/2591/2/java/kudu-client/src/main/java/org/kududb/client/AsyncKuduScanner.java
File java/kudu-client/src/main/java/org/kududb/client/AsyncKuduScanner.java:

Line 330:       if (predicate.getType() == KuduPredicate.PredicateType.NONE) {
I really don't understand this part.


Line 338:       this.hasMore = false;
This looks like scanFinished, anyway to refactor?


http://gerrit.cloudera.org:8080/#/c/2591/2/java/kudu-client/src/main/java/org/kududb/client/ColumnRangePredicate.java
File java/kudu-client/src/main/java/org/kududb/client/ColumnRangePredicate.java:

Line 67:   /**
Cleanup the double javadoc


http://gerrit.cloudera.org:8080/#/c/2591/2/java/kudu-client/src/main/java/org/kududb/client/KuduPredicate.java
File java/kudu-client/src/main/java/org/kududb/client/KuduPredicate.java:

Line 76:    * @param op the comparison operation, must be 
ComparisonType.EQUALITY
Should we just not have that parameter at all?


http://gerrit.cloudera.org:8080/#/c/2591/2/java/kudu-client/src/test/java/org/kududb/client/TestKuduClient.java
File java/kudu-client/src/test/java/org/kududb/client/TestKuduClient.java:

Line 268:   public void testScanWithPredicates() throws Exception {
Is this testing the short circuit case?


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Gerrit-MessageType: comment
Gerrit-Change-Id: Icdca28139a2f4f15633cfd872e372429bad831cd
Gerrit-PatchSet: 2
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Dan Burkert <[email protected]>
Gerrit-Reviewer: Dan Burkert <[email protected]>
Gerrit-Reviewer: David Ribeiro Alves <[email protected]>
Gerrit-Reviewer: Jean-Daniel Cryans
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Todd Lipcon <[email protected]>
Gerrit-HasComments: Yes

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