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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