Re: [Proposal] Vectorization Execution Engine optimization for Doris

2021-07-23 Thread 萨尔卡
very nice,looking forward it ---Original--- From: "Lee Happen"https://camo.githubusercontent.com/d958b2f88b643b0ea00fc59b591b712e7ceb091591fbe07c1588ddbe861fb447/68747470733a2f2f75706c6f61642d696d616765732e6a69616e7368752e696f2f75706c6f61645f696d616765732f383535323230312d363735653739333964343334

[Proposal] Vectorization Execution Engine optimization for Doris

2021-07-23 Thread Lee Happen
Motivation At present, the underlying storage in Doris is column storage. But query execution needs to be transferred to the query layer for execution by row-to-column first. Such an implementation maybe cause the performance problem。 * * Column-to-row loss. * * Can not get be