You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-07-29 08:21:15 +03:00
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/* Copyright (C) 2025 MariaDB Corporation
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2 of
|
|
the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include "execplan/calpontselectexecutionplan.h"
|
|
|
|
namespace optimizer {
|
|
|
|
struct Rule
|
|
{
|
|
using RuleMatcher = bool (*)(execplan::CalpontSelectExecutionPlan&);
|
|
using RuleApplier = void (*)(execplan::CalpontSelectExecutionPlan&);
|
|
|
|
Rule(std::string&& name, RuleMatcher matchRule, RuleApplier applyRule)
|
|
: name(name), matchRule(matchRule), applyRule(applyRule) {};
|
|
|
|
std::string name;
|
|
RuleMatcher matchRule;
|
|
RuleApplier applyRule;
|
|
// TODO Wrap CSEP into Nodes to be able to navigate up and down the tree and remove this flag
|
|
bool applyOnlyOnce = true;
|
|
|
|
Rule() = default;
|
|
Rule(const Rule&) = default;
|
|
Rule(Rule&&) = default;
|
|
Rule& operator=(const Rule&) = default;
|
|
Rule& operator=(Rule&&) = default;
|
|
|
|
bool apply(execplan::CalpontSelectExecutionPlan& csep) const;
|
|
bool walk(execplan::CalpontSelectExecutionPlan& csep) const;
|
|
};
|
|
|
|
bool matchParallelCES(execplan::CalpontSelectExecutionPlan& csep);
|
|
void applyParallelCES(execplan::CalpontSelectExecutionPlan& csep);
|
|
bool optimizeCSEP(execplan::CalpontSelectExecutionPlan& root);
|
|
|
|
} |