wangning has uploaded this change for review. ( http://gerrit.cloudera.org:8080/14706
Change subject: [java] KUDU-1644 Simplify IN-list predicate values during token building ...................................................................... [java] KUDU-1644 Simplify IN-list predicate values during token building This commit intends to improve the performance of token-based scan in case of only one hash parititon which contains only one key. By reducing the number of values pushed to server, it can reduce the complexity of token-based in-list logarithmically. The commit implemented the idea by filtering the unnesscessary values when building the scanner. Change-Id: I05affbd10804b4d07478f7abdde5380dd70ec116 --- M java/kudu-client/src/main/java/org/apache/kudu/client/KuduPredicate.java M java/kudu-client/src/main/java/org/apache/kudu/client/KuduScanToken.java M java/kudu-client/src/main/java/org/apache/kudu/client/PartitionPruner.java 3 files changed, 89 insertions(+), 16 deletions(-) git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/06/14706/1 -- To view, visit http://gerrit.cloudera.org:8080/14706 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I05affbd10804b4d07478f7abdde5380dd70ec116 Gerrit-Change-Number: 14706 Gerrit-PatchSet: 1 Gerrit-Owner: wangning <[email protected]>
