3 Commits

Author	SHA1	Message	Date
mch_ucchi	29e01db7ce	[Fix](Nereids) add comments to CostAndEnforcerJob and fix view test case (#13046) ... 1. add comments to cost and enforcer job as some code is too hard to understand 2. fix nereids_syntax_p0/view.groovy's multi-answer bug.	2022-11-03 12:12:24 +08:00
morrySnow	954c44db39	[enhancement](Nereids) compare LogicalProperties with output set instead of output list (#12743) ... We used output list to compare two LogicalProperties before. Since join reorder will change the children order of a join plan and caused output list changed. the two join plan will not equals anymore in memo although they should be. So we must add a project on the new join to keep the LogicalProperties the same. This PR changes the equals and hashCode funtions of LogicalProperties. use a set of output to compare two LogicalProperties. Then we do not need add the top peoject anymore. This help us keep memo simple and efficient.	2022-09-20 10:55:29 +08:00
mch_ucchi	a07e153419	[Feature](nereids)support view and nested view (#11589) ... support view in query and add a rewrite rule: merge consecutive projects. the rule can merge relative consecutive projects to one project to improve efficiency	2022-08-16 19:24:01 +08:00