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feat(optimizer): PoC for EI stats retrieval in getSelectPlan()

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This commit is contained in:
drrtuy
2025-07-14 18:52:46 +00:00
parent 5c087da60d
commit 043a7fe1b4
8 changed files with 240 additions and 95 deletions
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33
dbcon/mysql/rulebased_optimizer.h
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@ -18,14 +18,31 @@
#pragma once
#include <string>
#define PREFER_MY_CONFIG_H
#include <my_config.h>
#include "idb_mysql.h"
#include "ha_mcs_impl_if.h"
#include "execplan/calpontselectexecutionplan.h"
namespace optimizer {
class RBOptimizerContext {
public:
RBOptimizerContext() = delete;
RBOptimizerContext(cal_impl_if::gp_walk_info& walk_info) : gwi(walk_info) {}
// gwi lifetime should be longer than optimizer context.
// In plugin runtime this is always true.
cal_impl_if::gp_walk_info& gwi;
uint64_t uniqueId {0};
};
struct Rule
{
using RuleMatcher = bool (*)(execplan::CalpontSelectExecutionPlan&);
using RuleApplier = void (*)(execplan::CalpontSelectExecutionPlan&);
using RuleApplier = void (*)(execplan::CalpontSelectExecutionPlan&, RBOptimizerContext&);
Rule(std::string&& name, RuleMatcher matchRule, RuleApplier applyRule)
: name(name), matchRule(matchRule), applyRule(applyRule) {};
@ -39,15 +56,21 @@ struct Rule
Rule() = default;
Rule(const Rule&) = default;
Rule(Rule&&) = default;
std::string getName() const
{
return name;
}
Rule& operator=(const Rule&) = default;
Rule& operator=(Rule&&) = default;
bool apply(execplan::CalpontSelectExecutionPlan& csep) const;
bool walk(execplan::CalpontSelectExecutionPlan& csep) const;
bool apply(execplan::CalpontSelectExecutionPlan& csep, RBOptimizerContext& ctx) const;
bool walk(execplan::CalpontSelectExecutionPlan& csep, RBOptimizerContext& ctx) const;
};
bool matchParallelCES(execplan::CalpontSelectExecutionPlan& csep);
void applyParallelCES(execplan::CalpontSelectExecutionPlan& csep);
bool optimizeCSEP(execplan::CalpontSelectExecutionPlan& root);
void applyParallelCES(execplan::CalpontSelectExecutionPlan& csep, RBOptimizerContext& ctx);
bool optimizeCSEP(execplan::CalpontSelectExecutionPlan& root, RBOptimizerContext& ctx);
}