hsyuan commented on pull request #1991: URL: https://github.com/apache/calcite/pull/1991#issuecomment-658410932
@amaliujia Here is the Columbia's source code: https://github.com/yongwen/columbia Project homepage: http://web.cecs.pdx.edu/~len/Columbia/ And papers: https://15721.courses.cs.cmu.edu/spring2019/papers/22-optimizer1/xu-columbia-thesis1998.pdf https://users.cs.fiu.edu/~fortega/storage/cop5725/Topic%20List%20Papers/15-optimizer2/IDEAS01.pdf ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
