104 lines
4.2 KiB
C++
104 lines
4.2 KiB
C++
/*
|
|
* Copyright (C) 2015-present ScyllaDB
|
|
*
|
|
* Modified by ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
|
|
*/
|
|
|
|
#include <seastar/core/coroutine.hh>
|
|
#include <tuple>
|
|
#include "cql3/statements/schema_altering_statement.hh"
|
|
#include "locator/abstract_replication_strategy.hh"
|
|
#include "data_dictionary/data_dictionary.hh"
|
|
#include "cql3/query_processor.hh"
|
|
#include "service/raft/raft_group0_client.hh"
|
|
|
|
namespace cql3 {
|
|
|
|
namespace statements {
|
|
|
|
static logging::logger logger("schema_altering_statement");
|
|
|
|
schema_altering_statement::schema_altering_statement(timeout_config_selector timeout_selector)
|
|
: cf_statement(cf_name())
|
|
, cql_statement_no_metadata(timeout_selector)
|
|
, _is_column_family_level{false} {
|
|
}
|
|
|
|
schema_altering_statement::schema_altering_statement(cf_name name, timeout_config_selector timeout_selector)
|
|
: cf_statement{std::move(name)}
|
|
, cql_statement_no_metadata(timeout_selector)
|
|
, _is_column_family_level{true} {
|
|
}
|
|
|
|
bool schema_altering_statement::needs_guard(query_processor&, service::query_state&) const {
|
|
return true;
|
|
}
|
|
|
|
future<> schema_altering_statement::grant_permissions_to_creator(const service::client_state&, service::group0_batch&) const {
|
|
return make_ready_future<>();
|
|
}
|
|
|
|
bool schema_altering_statement::depends_on(std::string_view ks_name, std::optional<std::string_view> cf_name) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
uint32_t schema_altering_statement::get_bound_terms() const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void schema_altering_statement::prepare_keyspace(const service::client_state& state)
|
|
{
|
|
if (_is_column_family_level) {
|
|
cf_statement::prepare_keyspace(state);
|
|
}
|
|
}
|
|
|
|
future<::shared_ptr<messages::result_message>>
|
|
schema_altering_statement::execute(query_processor& qp, service::query_state& state, const query_options& options, std::optional<service::group0_guard> guard) const {
|
|
bool internal = state.get_client_state().is_internal();
|
|
if (internal) {
|
|
auto replication_type = locator::replication_strategy_type::everywhere_topology;
|
|
data_dictionary::database db = qp.db();
|
|
if (_cf_name && _cf_name->has_keyspace()) {
|
|
const auto& ks = db.find_keyspace(_cf_name->get_keyspace());
|
|
replication_type = ks.get_replication_strategy().get_type();
|
|
}
|
|
if (replication_type != locator::replication_strategy_type::local) {
|
|
sstring info = _cf_name ? _cf_name->to_string() : "schema";
|
|
throw std::logic_error(format("Attempted to modify {} via internal query: such schema changes are not propagated and thus illegal", info));
|
|
}
|
|
}
|
|
service::group0_batch mc{std::move(guard)};
|
|
auto result = co_await qp.execute_schema_statement(*this, state, options, mc);
|
|
// We don't want to grant the permissions to the supposed creator even if the statement succeeded if it's an internal query
|
|
// or if the query did not actually create the item, i.e. the query is bounced to another shard or it's a IF NOT EXISTS
|
|
// query where the item already exists.
|
|
if (!internal && result->is_schema_change()) {
|
|
co_await grant_permissions_to_creator(state.get_client_state(), mc);
|
|
}
|
|
co_await qp.announce_schema_statement(*this, mc);
|
|
co_return std::move(result);
|
|
}
|
|
|
|
future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>, cql3::cql_warnings_vec>> schema_altering_statement::prepare_schema_mutations(query_processor& qp, const query_options& options, api::timestamp_type) const {
|
|
// derived class must implement one of prepare_schema_mutations overloads
|
|
on_internal_error(logger, "not implemented");
|
|
co_return std::make_tuple(::shared_ptr<cql_transport::event::schema_change>(nullptr), std::vector<mutation>{}, cql3::cql_warnings_vec{});
|
|
}
|
|
|
|
future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, cql3::cql_warnings_vec>> schema_altering_statement::prepare_schema_mutations(query_processor& qp, service::query_state& state, const query_options& options, service::group0_batch& mc) const {
|
|
auto [ret, muts, cql_warnings] = co_await prepare_schema_mutations(qp, options, mc.write_timestamp());
|
|
mc.add_mutations(std::move(muts));
|
|
co_return std::make_tuple(ret, cql_warnings);
|
|
}
|
|
|
|
}
|
|
|
|
}
|