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Posted to commits@beam.apache.org by "Anton Kedin (JIRA)" <ji...@apache.org> on 2017/11/15 00:24:00 UTC

[jira] [Created] (BEAM-3191) [SQL] Implement Stateful Join

Anton Kedin created BEAM-3191:
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             Summary: [SQL] Implement Stateful Join
                 Key: BEAM-3191
                 URL: https://issues.apache.org/jira/browse/BEAM-3191
             Project: Beam
          Issue Type: Bug
          Components: dsl-sql
            Reporter: Anton Kedin


For binary key-joins, we probably could implement stateful join.

Things to consider:
 - identify primary keys for the inputs if possible;
 - otherwise buffer both collections, correctly discard collections prefixes on timer;



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