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Posted to commits@beam.apache.org by "Ilnar Taichinov (JIRA)" <ji...@apache.org> on 2017/08/29 05:22:00 UTC

[jira] [Created] (BEAM-2819) Key only reads from Google Datastore

Ilnar Taichinov created BEAM-2819:
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             Summary: Key only reads from Google Datastore
                 Key: BEAM-2819
                 URL: https://issues.apache.org/jira/browse/BEAM-2819
             Project: Beam
          Issue Type: Wish
          Components: sdk-java-gcp
            Reporter: Ilnar Taichinov
            Assignee: Chamikara Jayalath


Currently there is no functionality allowing to read only keys from the Google Datastore through the Datastore IO. In some cases users don't need to read the whole entity, e.g. to filter by certain values in ancestry. This seems to be an important feature as the entity reads are expensive and thus the native Datastore client/API allow to run Key Only queries. 



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