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#pragma once
#include <Parsers/ASTQueryWithOnCluster.h>
#include <Parsers/IAST.h>
#include <Parsers/SyncReplicaMode.h>
#include <Server/ServerType.h>
#include "clickhouse_config.h"
namespace DB
{
class ASTSystemQuery : public IAST, public ASTQueryWithOnCluster
{
public:
enum class Type : UInt64
{
UNKNOWN,
SHUTDOWN,
KILL,
SUSPEND,
DROP_DNS_CACHE,
DROP_MARK_CACHE,
DROP_UNCOMPRESSED_CACHE,
DROP_INDEX_MARK_CACHE,
DROP_INDEX_UNCOMPRESSED_CACHE,
DROP_MMAP_CACHE,
DROP_QUERY_CACHE,
#if USE_EMBEDDED_COMPILER
DROP_COMPILED_EXPRESSION_CACHE,
#endif
DROP_FILESYSTEM_CACHE,
DROP_SCHEMA_CACHE,
#if USE_AWS_S3
DROP_S3_CLIENT_CACHE,
#endif
STOP_LISTEN,
START_LISTEN,
RESTART_REPLICAS,
RESTART_REPLICA,
RESTORE_REPLICA,
WAIT_LOADING_PARTS,
DROP_REPLICA,
DROP_DATABASE_REPLICA,
SYNC_REPLICA,
SYNC_DATABASE_REPLICA,
SYNC_TRANSACTION_LOG,
SYNC_FILE_CACHE,
RELOAD_DICTIONARY,
RELOAD_DICTIONARIES,
RELOAD_MODEL,
RELOAD_MODELS,
RELOAD_FUNCTION,
RELOAD_FUNCTIONS,
RELOAD_EMBEDDED_DICTIONARIES,
RELOAD_CONFIG,
RELOAD_USERS,
RESTART_DISK,
STOP_MERGES,
START_MERGES,
STOP_TTL_MERGES,
START_TTL_MERGES,
STOP_FETCHES,
START_FETCHES,
STOP_MOVES,
START_MOVES,
STOP_REPLICATED_SENDS,
START_REPLICATED_SENDS,
STOP_REPLICATION_QUEUES,
START_REPLICATION_QUEUES,
FLUSH_LOGS,
FLUSH_DISTRIBUTED,
FLUSH_ASYNC_INSERT_QUEUE,
STOP_DISTRIBUTED_SENDS,
START_DISTRIBUTED_SENDS,
START_THREAD_FUZZER,
STOP_THREAD_FUZZER,
UNFREEZE,
ENABLE_FAILPOINT,
DISABLE_FAILPOINT,
SYNC_FILESYSTEM_CACHE,
STOP_PULLING_REPLICATION_LOG,
START_PULLING_REPLICATION_LOG,
END
};
static const char * typeToString(Type type);
Type type = Type::UNKNOWN;
ASTPtr database;
ASTPtr table;
String getDatabase() const;
String getTable() const;
void setDatabase(const String & name);
void setTable(const String & name);
String target_model;
String target_function;
String replica;
String shard;
String replica_zk_path;
bool is_drop_whole_replica{};
String storage_policy;
String volume;
String disk;
UInt64 seconds{};
String filesystem_cache_name;
std::string key_to_drop;
std::optional<size_t> offset_to_drop;
String backup_name;
String schema_cache_storage;
String fail_point_name;
SyncReplicaMode sync_replica_mode = SyncReplicaMode::DEFAULT;
ServerType server_type;
String getID(char) const override { return "SYSTEM query"; }
ASTPtr clone() const override
{
auto res = std::make_shared<ASTSystemQuery>(*this);
res->children.clear();
if (database) { res->database = database->clone(); res->children.push_back(res->database); }
if (table) { res->table = table->clone(); res->children.push_back(res->table); }
return res;
}
ASTPtr getRewrittenASTWithoutOnCluster(const WithoutOnClusterASTRewriteParams & params) const override
{
return removeOnCluster<ASTSystemQuery>(clone(), params.default_database);
}
QueryKind getQueryKind() const override { return QueryKind::System; }
protected:
void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
};
}
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