3 Commits

Author	SHA1	Message	Date
谢健	a574f29d76	[enhancement](Nereids): use enforcer to choose the n-th plan (#22929)	2023-09-28 15:16:24 +08:00
谢健	63994e351f	[fix](Nereids) extract complicated time string in evaluating cost model framework (#17864) ... 1. The time string in the profile can be "xx s xx ms". The framework should extract time with re package to support more complicated time string 2. Add stats for sortNode and AggNode in `withChildren`	2023-04-07 15:33:04 +08:00
谢健	e3d7f7c8d8	[feature](Nereids) add test framework for cost model (#17071) ... add test-frame-work for cost model according paper Testing the Accuracy of Query Optimizers	2023-02-28 20:59:07 +08:00