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branch-3.0: [opt](mtmv) Optimize plan generate when create mtmv and use mtmv cache when collect table of mtmv #44786 #45022

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branch-3.0: [opt](mtmv) Optimize plan generate when create mtmv and use mtmv cache when collect table of mtmv #44786 #45022

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@github-actions github-actions bot commented Dec 5, 2024

Cherry-picked from #44786

@seawinde
[opt](mtmv) Optimize plan generate when create mtmv and use mtmv cach…
1a60a1a 
…e when collect table of mtmv (#44786)

Optimize plan generate when create mtmv and use mtmv cache when collect
table of mtmv
1. Reuse plans when creating materialized views to minimize plan
generation overhead.
2. During recursive base table resolution for MTMVs, prioritize MTMV
cache lookup. Fall back to real-time generation only when cache miss
occurs.
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Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

@dataroaring dataroaring closed this Dec 5, 2024
@dataroaring dataroaring reopened this Dec 5, 2024
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run buildall

@morrySnow morrySnow closed this Dec 9, 2024
@morrySnow morrySnow deleted the auto-pick-44786-branch-3.0 branch December 9, 2024 16:00
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@doris-robot @dataroaring @morrySnow @seawinde