Hyunsik Choi created TAJO-73:
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Summary: Improve SQL parser to be more compatible with SQL-92
standard
Key: TAJO-73
URL: https://issues.apache.org/jira/browse/TAJO-73
Project: Tajo
Issue Type: Improvement
Components: parser
Reporter: Hyunsik Choi
Assignee: Hyunsik Choi
Fix For: 0.2-incubating
The current parser only supports a subset of SQL-92 standard. We need to
improve SQL parser to be more compatible with SQL-92 standard.
Especially, the parser should deal with the following rules:
* Scalar subquery
* Table subquery
* IN predicate
* EXIST predicate
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