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#pragma once
#include <Interpreters/IInterpreter.h>
#include <Interpreters/SelectQueryOptions.h>
#include <Analyzer/QueryTreePassManager.h>
#include <Processors/QueryPlan/QueryPlan.h>
#include <Interpreters/Context_fwd.h>
#include <Storages/SelectQueryInfo.h>
namespace DB
{
class GlobalPlannerContext;
using GlobalPlannerContextPtr = std::shared_ptr<GlobalPlannerContext>;
class PlannerContext;
using PlannerContextPtr = std::shared_ptr<PlannerContext>;
class Planner
{
public:
/// Initialize planner with query tree after analysis phase
Planner(const QueryTreeNodePtr & query_tree_,
SelectQueryOptions & select_query_options_);
/// Initialize planner with query tree after query analysis phase and global planner context
Planner(const QueryTreeNodePtr & query_tree_,
SelectQueryOptions & select_query_options_,
GlobalPlannerContextPtr global_planner_context_);
/// Initialize planner with query tree after query analysis phase and planner context
Planner(const QueryTreeNodePtr & query_tree_,
SelectQueryOptions & select_query_options_,
PlannerContextPtr planner_context_);
const QueryPlan & getQueryPlan() const
{
return query_plan;
}
QueryPlan & getQueryPlan()
{
return query_plan;
}
void buildQueryPlanIfNeeded();
QueryPlan && extractQueryPlan() &&
{
return std::move(query_plan);
}
SelectQueryInfo buildSelectQueryInfo() const;
void addStorageLimits(const StorageLimitsList & limits);
PlannerContextPtr getPlannerContext() const
{
return planner_context;
}
private:
void buildPlanForUnionNode();
void buildPlanForQueryNode();
QueryTreeNodePtr query_tree;
SelectQueryOptions & select_query_options;
PlannerContextPtr planner_context;
QueryPlan query_plan;
StorageLimitsList storage_limits;
};
}
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