mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 18:32:29 +00:00
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
#pragma once
|
|
|
|
#include <Databases/IDatabase.h>
|
|
#include <Interpreters/IInterpreter.h>
|
|
#include <Parsers/ASTDropQuery.h>
|
|
#include <Parsers/IAST_fwd.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
class Context;
|
|
using DatabaseAndTable = std::pair<DatabasePtr, StoragePtr>;
|
|
class AccessRightsElements;
|
|
|
|
/** Allow to either drop table with all its data (DROP),
|
|
* or remove information about table (just forget) from server (DETACH),
|
|
* or just clear all data in table (TRUNCATE).
|
|
*/
|
|
class InterpreterDropQuery : public IInterpreter, WithMutableContext
|
|
{
|
|
public:
|
|
InterpreterDropQuery(const ASTPtr & query_ptr_, ContextMutablePtr context_);
|
|
|
|
/// Drop table or database.
|
|
BlockIO execute() override;
|
|
|
|
void extendQueryLogElemImpl(QueryLogElement & elem, const ASTPtr &, ContextPtr) const override;
|
|
|
|
static void executeDropQuery(ASTDropQuery::Kind kind, ContextPtr global_context, ContextPtr current_context, const StorageID & target_table_id, bool sync);
|
|
|
|
private:
|
|
AccessRightsElements getRequiredAccessForDDLOnCluster() const;
|
|
ASTPtr query_ptr;
|
|
|
|
BlockIO executeToDatabase(const ASTDropQuery & query);
|
|
BlockIO executeToDatabaseImpl(const ASTDropQuery & query, DatabasePtr & database, std::vector<UUID> & uuids_to_wait);
|
|
|
|
BlockIO executeToTable(ASTDropQuery & query);
|
|
BlockIO executeToTableImpl(ContextPtr context_, ASTDropQuery & query, DatabasePtr & db, UUID & uuid_to_wait);
|
|
|
|
static void waitForTableToBeActuallyDroppedOrDetached(const ASTDropQuery & query, const DatabasePtr & db, const UUID & uuid_to_wait);
|
|
|
|
BlockIO executeToDictionary(const String & database_name, const String & dictionary_name, ASTDropQuery::Kind kind, bool if_exists, bool is_temporary, bool no_ddl_lock);
|
|
|
|
BlockIO executeToTemporaryTable(const String & table_name, ASTDropQuery::Kind kind);
|
|
};
|
|
}
|