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Support more enhanced join order hint to control and stablize the join order. #29932
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winoros
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Nov 19, 2021
We just create the issue for the public trace. It's already in our internal feature list( |
@winoros can I have a try? |
@sylzd It's fine. We can have a discussion on Monday. This is not a simple work item. Maybe 2 man-months are needed at least. |
I also want to participate together. okay? |
any docs or disccussion records can be read? |
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Feature Request
Is your feature request related to a problem? Please describe:
Currently, we only have
STRAIGHT_JOIN
hint to control the join reorder. This needs to change the join order in the SQL text, not helpful in many scenarios.Describe the feature you'd like:
A hint to control the join order using the hint body. We just use the join order as the input of the hint.
Describe alternatives you've considered:
To be added.
Teachability, Documentation, Adoption, Migration Strategy:
To be added.
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