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scylladb/cql3/statements/drop_view_statement.cc
Avi Kivity 5937b1fa23 treewide: remove empty comments in top-of-files
After fcb8d040 ("treewide: use Software Package Data Exchange
(SPDX) license identifiers"), many dual-licensed files were
left with empty comments on top. Remove them to avoid visual
noise.

Closes #10562
2022-05-13 07:11:58 +02:00

80 lines
2.5 KiB
C++

/*
* Copyright 2016-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
*/
#include <seastar/core/coroutine.hh>
#include "cql3/statements/drop_view_statement.hh"
#include "cql3/statements/prepared_statement.hh"
#include "cql3/query_processor.hh"
#include "service/migration_manager.hh"
#include "service/storage_proxy.hh"
#include "view_info.hh"
#include "data_dictionary/data_dictionary.hh"
namespace cql3 {
namespace statements {
drop_view_statement::drop_view_statement(cf_name view_name, bool if_exists)
: schema_altering_statement{std::move(view_name), &timeout_config::truncate_timeout}
, _if_exists{if_exists}
{
}
future<> drop_view_statement::check_access(query_processor& qp, const service::client_state& state) const
{
try {
const data_dictionary::database db = qp.db();
auto&& s = db.find_schema(keyspace(), column_family());
if (s->is_view()) {
return state.has_column_family_access(db, keyspace(), s->view_info()->base_name(), auth::permission::ALTER);
}
} catch (const data_dictionary::no_such_column_family& e) {
// Will be validated afterwards.
}
return make_ready_future<>();
}
void drop_view_statement::validate(query_processor&, const service::client_state& state) const
{
// validated in migration_manager::announce_view_drop()
}
future<std::pair<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>>>
drop_view_statement::prepare_schema_mutations(query_processor& qp, api::timestamp_type ts) const {
::shared_ptr<cql_transport::event::schema_change> ret;
std::vector<mutation> m;
try {
m = co_await qp.get_migration_manager().prepare_view_drop_announcement(keyspace(), column_family(), ts);
using namespace cql_transport;
ret = ::make_shared<event::schema_change>(
event::schema_change::change_type::DROPPED,
event::schema_change::target_type::TABLE,
keyspace(),
column_family());
} catch (const exceptions::configuration_exception& e) {
if (!_if_exists) {
co_return coroutine::exception(std::current_exception());
}
}
co_return std::make_pair(std::move(ret), std::move(m));
}
std::unique_ptr<cql3::statements::prepared_statement>
drop_view_statement::prepare(data_dictionary::database db, cql_stats& stats) {
return std::make_unique<prepared_statement>(make_shared<drop_view_statement>(*this));
}
}
}