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add a cbo Introduction document

Open Reminiscent opened this issue 4 years ago • 2 comments

What issue does this PR solve?

  • close https://github.com/pingcap/tidb-dev-guide/issues/80

What is changed:

Add an introduction to cost-based optimization.

Reminiscent avatar Nov 09 '21 11:11 Reminiscent

@zhangyangyu Thank you for reviewing. I have addressed all the comments. PTAL

Reminiscent avatar Nov 10 '21 06:11 Reminiscent

/uncc

This PR is still waiting for a planner expert reviewer. I cannot offer more help on it.

tisonkun avatar Dec 07 '21 10:12 tisonkun