[
https://issues.apache.org/jira/browse/BEAM-7013?focusedWorklogId=309660&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-309660
]
ASF GitHub Bot logged work on BEAM-7013:
----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Sep/19 09:31
Start Date: 10/Sep/19 09:31
Worklog Time Spent: 10m
Work Description: zfraa commented on pull request #9519: [BEAM-7013] Use
a 0-length byte array to represent empty sketch in HllCount
URL: https://github.com/apache/beam/pull/9519#discussion_r322642519
##########
File path:
sdks/java/extensions/zetasketch/src/main/java/org/apache/beam/sdk/extensions/zetasketch/HllCountMergePartialFn.java
##########
@@ -54,10 +54,15 @@ private HllCountMergePartialFn() {}
return null;
}
+ @Nullable
@Override
public HyperLogLogPlusPlus<HllT> addInput(
@Nullable HyperLogLogPlusPlus<HllT> accumulator, byte[] input) {
- if (accumulator == null) {
+ if (input == null) {
+ throw new NullPointerException("Null is not a valid sketch.");
+ } else if (input.length == 0) {
+ return accumulator;
+ } else if (accumulator == null) {
Review comment:
Right, sorry for missing that :) (Can be resolved).
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Issue Time Tracking
-------------------
Worklog Id: (was: 309660)
Time Spent: 31h 20m (was: 31h 10m)
> A new count distinct transform based on BigQuery compatible HyperLogLog++
> implementation
> ----------------------------------------------------------------------------------------
>
> Key: BEAM-7013
> URL: https://issues.apache.org/jira/browse/BEAM-7013
> Project: Beam
> Issue Type: New Feature
> Components: extensions-java-sketching, sdk-java-core
> Reporter: Yueyang Qiu
> Assignee: Yueyang Qiu
> Priority: Major
> Fix For: 2.16.0
>
> Time Spent: 31h 20m
> Remaining Estimate: 0h
>
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