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生成sparder执行计划时,EliminateOuterJoin一直循环导致查询时间过长 #39

@zheniantoushipashi

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@zheniantoushipashi

具体看 90% 的时间都花在了 EliminateOutJoin 和 InferFiltersFromConstraints 两个rule 对树的遍历上了,

性能主要消耗在 getAliasedConstraints 方法上,

具体问题参考

https://github.com/Kyligence/KAP/issues/13145

https://github.com/kyligence-git/Customer_Voice/issues/1875

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