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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/06/29 06:21:42 UTC
[GitHub] [doris] morrySnow opened a new pull request, #10485: [enhancement](Nereids)refactor PlannerContext and JobContext
morrySnow opened a new pull request, #10485:
URL: https://github.com/apache/doris/pull/10485
# Proposed changes
Refactor Context in Cascades:
use two context in cascades framework.
JobContext is used in each job, contains such attributes:
- reference to PlannerContext
- current cost upper bound
- current required physical properties
PlannerContext is used to hold global info for query planner, contains such attributes:
- reference to Memo
- reference to connectContext
- reference to ruleset could be used for plan
- job pool to maintain unexecuted jobs
- job scheduler to schedule unexecuted jobs
- current job context for next job to be executed
## Checklist(Required)
1. Does it affect the original behavior: No
2. Has unit tests been added: No Need
3. Has document been added or modified: No Need
4. Does it need to update dependencies: No
5. Are there any changes that cannot be rolled back: No
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[GitHub] [doris] EmmyMiao87 merged pull request #10485: [enhancement](Nereids)refactor PlannerContext and JobContext
Posted by GitBox <gi...@apache.org>.
EmmyMiao87 merged PR #10485:
URL: https://github.com/apache/doris/pull/10485
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