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feat(optimizer): replace simple walk with iterative DFS with convergence

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drrtuy
2025-06-16 13:59:29 +00:00
parent 25c7d23c21
commit 98cb6dddee
3 changed files with 22 additions and 3 deletions
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dbcon/mysql/rulebased_optimizer.h
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@@ -32,6 +32,7 @@ struct Rule
bool (*matchRule)(execplan::CalpontSelectExecutionPlan&);
void (*applyRule)(execplan::CalpontSelectExecutionPlan&);
bool apply(execplan::CalpontSelectExecutionPlan& csep) const;
bool walk(execplan::CalpontSelectExecutionPlan& csep) const;
};
bool matchParallelCES(execplan::CalpontSelectExecutionPlan& csep);