[GitHub] [airavata-data-catalog] machristie commented on issue #5: Investigate Apache Calcite for query rewriting

["machristie (via GitHub)" <gi...@apache.org>]

machristie commented on issue #5:
URL: https://github.com/apache/airavata-data-catalog/issues/5#issuecomment-1478463547

   Some useful links that I found in my investigation:
   
   - [java - how to traverse sqlNode in calcite - Stack Overflow](https://stackoverflow.com/questions/60465600/how-to-traverse-sqlnode-in-calcite)
   - [SQL parsing in java using Apache-Calcite SQL parser.](https://gist.github.com/piyusht007/d3946045caa60abd839d4355f79624b5)
   - Calcite doesn't support PostgreSQL JSON functions. And PostgreSQL doesn't yet support the standard JSON functions, see https://www.depesz.com/2022/04/01/waiting-for-postgresql-15-sql-json-query-functions/
     - https://issues.apache.org/jira/browse/CALCITE-4739
     - [SQL language - JSON Functions](https://calcite.apache.org/docs/reference.html#json-functions)
   - [Apache Calcite Tutorial – Code Tinkering](https://codetinkering.com/apache-calcite-tutorial/)
   - https://raw.githubusercontent.com/zabetak/slides/master/2021/boss-workshop/apache-calcite-tutorial.pdf
   - [zabetak/calcite-tutorial](https://github.com/zabetak/calcite-tutorial)


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