Hyunsik Choi created TAJO-2131:
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Summary: Algebra expression and Logical Plan should keep token span
Key: TAJO-2131
URL: https://issues.apache.org/jira/browse/TAJO-2131
Project: Tajo
Issue Type: Improvement
Components: Planner/Optimizer, SQL Parser
Reporter: Hyunsik Choi
Antlr4 provides token span information for each token. If we keep this
information in algebra expressions and logical plan, we can make much better
error message which can indicate specific error points.
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