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Posted to dev@hive.apache.org by "Miklos Gergely (Jira)" <ji...@apache.org> on 2019/10/18 14:13:00 UTC

[jira] [Created] (HIVE-22369) Handle HiveTableFunctionScan at return path

Miklos Gergely created HIVE-22369:
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             Summary: Handle HiveTableFunctionScan at return path
                 Key: HIVE-22369
                 URL: https://issues.apache.org/jira/browse/HIVE-22369
             Project: Hive
          Issue Type: Sub-task
          Components: Hive
            Reporter: Miklos Gergely
            Assignee: Miklos Gergely
             Fix For: 4.0.0


The [optimizedOptiqPlan|https://github.com/apache/hive/blob/5c91d324f22c2ae47e234e76a9bc5ee1a71e6a70/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java#L1573] at CalcitePlanner.getOptimizedHiveOPDag is ultimately generated by CalcitePlanner.internalGenSelectLogicalPlan, which may either provide a [HiveProject|https://github.com/apache/hive/blob/5c91d324f22c2ae47e234e76a9bc5ee1a71e6a70/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java#L4831] or a [HiveTableFunctionScan|https://github.com/apache/hive/blob/5c91d324f22c2ae47e234e76a9bc5ee1a71e6a70/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java#L4776]. When HiveCalciteUtil.getTopLevelSelect is invoked on this it is looking for a [HiveProject|https://github.com/apache/hive/blob/5c91d324f22c2ae47e234e76a9bc5ee1a71e6a70/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/HiveCalciteUtil.java#L633] node in the tree, which if won't find in case of a HiveTableFunctionScan was returned. This is why TestNewGetSplitsFormat is failing with return path.



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