tristaZero opened a new issue #4335: The schedule of SQL parser refactoring. URL: https://github.com/apache/incubator-shardingsphere/issues/4335 We plan to present a better performance SQL parser for 5.x release. Basically all SQL visitors for different DBs, including MySQL, PostgreSQL, Oracle, SQLServer has finished already, and here is the remaining to-do list, - [ ] Transfer sharding-parser engine to this new one. - [ ] Delete stale sharding parer engine. - [ ] Review and optimze the definition for SQL segments and SQL statement. - [ ] Review all the SQL segments and SQL statemen based on g4 file. - [ ] Solve the issues of sql cases. - [ ] Independent Sharding-Parser module. - [ ] Review and optimze all the visitexxx() functions.
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