ClickHouse/src/Storages/SelectQueryDescription.h
Ivan 495c6e03aa
Replace all Context references with std::weak_ptr (#22297)
* Replace all Context references with std::weak_ptr

* Fix shared context captured by value

* Fix build

* Fix Context with named sessions

* Fix copy context

* Fix gcc build

* Merge with master and fix build

* Fix gcc-9 build
2021-04-11 02:33:54 +03:00

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C++

#pragma once
#include <Interpreters/Context_fwd.h>
#include <Interpreters/StorageID.h>
namespace DB
{
/// Select query for different view in storages
struct SelectQueryDescription
{
/// Table id for select query
StorageID select_table_id = StorageID::createEmpty();
/// Select query itself (ASTSelectWithUnionQuery)
ASTPtr select_query;
/// First query from select_query list
ASTPtr inner_query;
/// Parse description from select query for materialized view. Also
/// validates query.
static SelectQueryDescription getSelectQueryFromASTForMatView(const ASTPtr & select, ContextPtr context);
SelectQueryDescription() = default;
SelectQueryDescription(const SelectQueryDescription & other);
SelectQueryDescription & operator=(const SelectQueryDescription & other);
};
}