Files
scylladb/cql3/statements/drop_function_statement.cc
Rafael Ávila de Espíndola fc72a64c67 Add schema propagation and storage for UDF
With this it is possible to create user defined functions and
aggregates and they are saved to disk and the schema change is
propagated.

It is just not possible to call them yet.

Signed-off-by: Rafael Ávila de Espíndola <espindola@scylladb.com>
2019-11-07 08:41:08 -08:00

55 lines
2.0 KiB
C++

/*
* Copyright (C) 2019 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cql3/statements/drop_function_statement.hh"
#include "cql3/functions/functions.hh"
#include "prepared_statement.hh"
#include "service/migration_manager.hh"
namespace cql3 {
namespace statements {
std::unique_ptr<prepared_statement> drop_function_statement::prepare(database& db, cql_stats& stats) {
return std::make_unique<prepared>(make_shared<drop_function_statement>(*this));
}
future<shared_ptr<cql_transport::event::schema_change>> drop_function_statement::announce_migration(
service::storage_proxy& proxy, bool is_local_only) {
if (!_func) {
return make_ready_future<shared_ptr<cql_transport::event::schema_change>>();
}
auto user_func = dynamic_pointer_cast<functions::user_function>(_func);
if (!user_func) {
throw exceptions::invalid_request_exception(format("'{}' is not a user defined function", _func));
}
return service::get_local_migration_manager().announce_function_drop(user_func, is_local_only).then([this] {
return create_schema_change(*_func, false);
});
}
drop_function_statement::drop_function_statement(functions::function_name name,
std::vector<shared_ptr<cql3_type::raw>> arg_types, bool args_present, bool if_exists)
: drop_function_statement_base(std::move(name), std::move(arg_types), args_present, if_exists) {}
}
}