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scylladb/cql3/statements/schema_altering_statement.hh
2024-06-06 13:26:34 +02:00

75 lines
2.4 KiB
C++

/*
* Copyright (C) 2014-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
*/
#pragma once
#include "transport/messages_fwd.hh"
#include "transport/event.hh"
#include "cql3/statements/raw/cf_statement.hh"
#include "cql3/cql_statement.hh"
#include <seastar/core/shared_ptr.hh>
#include "service/raft/raft_group0_client.hh"
class mutation;
namespace cql3 {
class query_processor;
namespace statements {
namespace messages = cql_transport::messages;
/**
* Abstract class for statements that alter the schema.
*/
class schema_altering_statement : public raw::cf_statement, public cql_statement_no_metadata {
private:
const bool _is_column_family_level;
protected:
explicit schema_altering_statement(timeout_config_selector timeout_selector = &timeout_config::other_timeout);
schema_altering_statement(cf_name name, timeout_config_selector timeout_selector = &timeout_config::other_timeout);
virtual bool needs_guard(query_processor& qp, service::query_state& state) const override;
/**
* When a new data_dictionary::database object (keyspace, table) is created, the creator needs to be granted all applicable
* permissions on it.
*
* By default, this function does nothing.
*/
virtual future<> grant_permissions_to_creator(const service::client_state&, service::group0_batch&) const;
virtual bool depends_on(std::string_view ks_name, std::optional<std::string_view> cf_name) const override;
virtual uint32_t get_bound_terms() const override;
virtual void prepare_keyspace(const service::client_state& state) override;
virtual future<::shared_ptr<messages::result_message>>
execute(query_processor& qp, service::query_state& state, const query_options& options, std::optional<service::group0_guard> guard) const override;
public:
virtual future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>, cql3::cql_warnings_vec>> prepare_schema_mutations(query_processor& qp, const query_options& options, api::timestamp_type) const;
virtual future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, cql3::cql_warnings_vec>> prepare_schema_mutations(query_processor& qp, service::query_state& state, const query_options& options, service::group0_batch& mc) const;
mutable utils::UUID global_req_id;
};
}
}