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https://issues.apache.org/jira/browse/BEAM-8550?focusedWorklogId=355792&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-355792
]
ASF GitHub Bot logged work on BEAM-8550:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Dec/19 10:24
Start Date: 08/Dec/19 10:24
Worklog Time Spent: 10m
Work Description: JozoVilcek commented on pull request #8774: [BEAM-8550]
Requires time sorted input
URL: https://github.com/apache/beam/pull/8774#discussion_r355167752
##########
File path:
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/TransformTranslator.java
##########
@@ -448,18 +458,152 @@ public String toNativeString() {
JavaRDD<KV<K, Iterable<WindowedValue<V>>>> groupRDD =
GroupCombineFunctions.groupByKeyOnly(kvInRDD, keyCoder, wvCoder,
partitioner);
- return groupRDD
- .map(
- input -> {
- final K key = input.getKey();
- Iterable<WindowedValue<V>> value = input.getValue();
- return FluentIterable.from(value)
- .transform(
- windowedValue ->
- windowedValue.withValue(KV.of(key,
windowedValue.getValue())))
- .iterator();
- })
- .flatMapToPair(doFnFunction);
+ if (!requiresSortedInput) {
+ return groupRDD
Review comment:
Can we make `groupRDD` local context of this `if-else` branch?
Also, it would be a bit more intuitive if it is organized as
`if(requiresSortedInput) { ... } else { ... }`
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Issue Time Tracking
-------------------
Worklog Id: (was: 355792)
> @RequiresTimeSortedInput DoFn annotation
> ----------------------------------------
>
> Key: BEAM-8550
> URL: https://issues.apache.org/jira/browse/BEAM-8550
> Project: Beam
> Issue Type: New Feature
> Components: beam-model, sdk-java-core
> Reporter: Jan Lukavský
> Assignee: Jan Lukavský
> Priority: Major
> Time Spent: 3h
> Remaining Estimate: 0h
>
> Implement new annotation {{@RequiresTimeSortedInput}} for stateful DoFn as
> described in [design
> document|https://docs.google.com/document/d/1ObLVUFsf1NcG8ZuIZE4aVy2RYKx2FfyMhkZYWPnI9-c/edit?usp=sharing].
> First implementation will assume that:
> - time is defined by timestamp in associated WindowedValue
> - allowed lateness is explicitly zero and all late elements are dropped
> (due to being out of order)
> The above properties are considered temporary and will be resolved by
> subsequent extensions (backwards compatible).
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