Hyunsik Choi created TAJO-1402:
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Summary: EvalNode should have TypeDesc instead of DataType as
return type.
Key: TAJO-1402
URL: https://issues.apache.org/jira/browse/TAJO-1402
Project: Tajo
Issue Type: Improvement
Reporter: Hyunsik Choi
Assignee: Hyunsik Choi
Fix For: 0.11.0
DataType is a protobuf type, which does not allow recursive nested data
structure. To solve this problem, I made TypeDesc which represent recursive
nested schemas in TAJO-1329.
But, EvalNode also should return TypeDesc in order to enable the logical
planner to support nested schema.
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