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https://issues.apache.org/jira/browse/BEAM-6730?focusedWorklogId=203823&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-203823
]
ASF GitHub Bot logged work on BEAM-6730:
----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Feb/19 18:21
Start Date: 25/Feb/19 18:21
Worklog Time Spent: 10m
Work Description: mxm commented on pull request #7875: [BEAM-6730] Expose
Java SDK's GenerateSequence in Python
URL: https://github.com/apache/beam/pull/7875#discussion_r259955494
##########
File path:
runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/graph/GreedyPipelineFuser.java
##########
@@ -186,14 +185,6 @@ private DescendantConsumers
getRootConsumers(PTransformNode rootNode) {
"Transform %s is not at the root of the graph (consumes %s)",
rootNode.getId(),
rootNode.getTransform().getInputsMap());
- checkArgument(
Review comment:
We can't declare it as native transform because we cannot natively translate
Reads containing Python code. I suppose we could check if contains a Java
payload in `IsNativeTransform`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 203823)
Time Spent: 2.5h (was: 2h 20m)
> Expose Java transforms (specifically IO) in other SDKs
> ------------------------------------------------------
>
> Key: BEAM-6730
> URL: https://issues.apache.org/jira/browse/BEAM-6730
> Project: Beam
> Issue Type: New Feature
> Components: runner-flink, sdk-java-core, sdk-py-core
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Major
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> Since https://github.com/apache/beam/pull/7316 we can reference external
> transforms which are transforms only available in a "foreign" SDKs. This
> allows us to fill the gap in terms of missing transforms in the Python and Go
> SDK, specifically IO transforms.
> We can start collecting/exposing transforms that Beam users need. The
> following transforms could be interesting:
> - KafkaIO / KinesisIO
> - CassandraIO / ElasticserchIO / Hbase / Redis
> - JDBC
> - S3 file system
> - GenerateSequence
> See also https://s.apache.org/beam-cross-language-io and BEAM-6485.
> CC [~robertwb] [~chamikara] [~thw]
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