Rose Nguyen created BEAM-7023:
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Summary: WithKeys transform for Python SDK
Key: BEAM-7023
URL: https://issues.apache.org/jira/browse/BEAM-7023
Project: Beam
Issue Type: New Feature
Components: sdk-py-core
Reporter: Rose Nguyen
Assignee: Ahmet Altay
WithKeys<K, V> PCollection<V> and either a constant key of type K or a function
from V to K, and returns a PCollection<KV<K, V>>, where each of the values in
the input PCollection has been paired with either the constant key or a key
computed from the value.
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/WithKeys.java]
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