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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2015/11/30 17:52:10 UTC

[jira] [Created] (HIVE-12542) Create HiveRelFactories

Jesus Camacho Rodriguez created HIVE-12542:
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             Summary: Create HiveRelFactories
                 Key: HIVE-12542
                 URL: https://issues.apache.org/jira/browse/HIVE-12542
             Project: Hive
          Issue Type: Bug
          Components: CBO
    Affects Versions: 2.0.0
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


Calcite 1.5.0 introduced the use of RelFactories to create the operators. In particular, RelFactories contains the factories for all the operators in the system. Although we can still implement old rules by providing each individual factory (the constructor is deprecated, but it won't be removed till Calcite 2.0.0 is out), new rules will only provide constructors based on RelFactories. Thus, we propose to migrate immediately to the new interface.



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