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Feature: Cost-based optimization(CBO) #6643

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leiysky opened this issue Jul 15, 2022 · 6 comments · Fixed by #7187
Closed

Feature: Cost-based optimization(CBO) #6643

leiysky opened this issue Jul 15, 2022 · 6 comments · Fixed by #7187
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@leiysky
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C-feature Category: feature

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@leiysky
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leiysky commented Jul 15, 2022

Support cost-based optimization.

Need RFC.
@leiysky leiysky added the C-feature Category: feature label Jul 15, 2022
@leiysky leiysky self-assigned this Jul 15, 2022
@leiysky leiysky moved this to 📒Backlog in Databend Query Planner Jul 15, 2022
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FANNG1 commented Aug 15, 2022

is there any process about CBO?

@leiysky
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leiysky commented Aug 15, 2022

is there any process about CBO?

I'm working on this in recent days, there will be an initial implementation in early September as expected.

@leiysky leiysky moved this from 📒Backlog to 📖In Progress in Databend Query Planner Aug 15, 2022
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FANNG1 commented Aug 16, 2022

cool! is there any design docs or rfc?

@leiysky
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leiysky commented Aug 16, 2022 •
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cool! is there any design docs or rfc?

There was an RFC about the whole planner framework. https://github.com/datafuselabs/databend/blob/main/docs/doc/60-contributing/03-rfcs/20210914-new-sql-planner-framework.md

I'm going to write a RFC about the CBO part.

@leiysky leiysky mentioned this issue Aug 18, 2022
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This was referenced Aug 26, 2022
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@mergify mergify bot closed this as completed in #7187 Aug 26, 2022
Repository owner moved this from 📖In Progress to 📕Done in Databend Query Planner Aug 26, 2022
@FANNG1
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FANNG1 commented Aug 26, 2022

after #7187 , could we support auto choose join type (shuffle join&broadcast join) and join order?

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@sandflee No, but on the way

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C-feature Category: feature
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Databend Query Planner
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feat(planner): Implement cost-based optimization leiysky/databend
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@FANNG1 @leiysky @xudong963