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https://issues.apache.org/jira/browse/BEAM-6695?focusedWorklogId=242966&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-242966
]
ASF GitHub Bot logged work on BEAM-6695:
----------------------------------------
Author: ASF GitHub Bot
Created on: 15/May/19 23:28
Start Date: 15/May/19 23:28
Worklog Time Spent: 10m
Work Description: robinyqiu commented on issue #8206: [BEAM-6695] Latest
PTransform for Python SDK
URL: https://github.com/apache/beam/pull/8206#issuecomment-492860487
> In your example, the inputs you are passing are not in type Tuple[K, V].
For example, whatever test you come up with, it should be valid to do
Create(elem_list) | GroupByKey(), and that input will work on PerKey transform.
Hi @ttanay , I agree with what @aaltay said here. In other words, we should
add type annotations here
```python
@with_input_types(T)
@with_output_types(T)
class Globally(ptransform.PTransform):
```
and here
```python
@with_input_types(KV[K, V])
@with_output_types(KV[K, V])
class PerKey(ptransform.PTransform): ...
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 242966)
Time Spent: 8h 50m (was: 8h 40m)
> Latest transform for Python SDK
> -------------------------------
>
> Key: BEAM-6695
> URL: https://issues.apache.org/jira/browse/BEAM-6695
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Ahmet Altay
> Assignee: Tanay Tummalapalli
> Priority: Minor
> Time Spent: 8h 50m
> Remaining Estimate: 0h
>
> Add a PTransform} and Combine.CombineFn for computing the latest element in a
> PCollection.
> It should offer the same API as its Java counterpart:
> https://github.com/apache/beam/blob/11a977b8b26eff2274d706541127c19dc93131a2/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Latest.java
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