Files
scylladb/cql3/statements/drop_index_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

120 lines
3.7 KiB
C++

/*
* Copyright (C) 2017-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_index_statement.hh"
#include "cql3/statements/prepared_statement.hh"
#include "service/migration_manager.hh"
#include "service/storage_proxy.hh"
#include "schema_builder.hh"
#include "data_dictionary/data_dictionary.hh"
#include "mutation.hh"
#include "gms/feature_service.hh"
#include "cql3/query_processor.hh"
#include "cql3/index_name.hh"
namespace cql3 {
namespace statements {
drop_index_statement::drop_index_statement(::shared_ptr<index_name> index_name, bool if_exists)
: schema_altering_statement{index_name->get_cf_name(), &timeout_config::truncate_timeout}
, _index_name{index_name->get_idx()}
, _if_exists{if_exists}
{
}
const sstring& drop_index_statement::column_family() const
{
return _cf_name ? *_cf_name :
// otherwise -- the empty name stored by the superclass
cf_statement::column_family();
}
future<> drop_index_statement::check_access(query_processor& qp, const service::client_state& state) const
{
auto cfm = lookup_indexed_table(qp);
if (!cfm) {
return make_ready_future<>();
}
return state.has_column_family_access(qp.db(), cfm->ks_name(), cfm->cf_name(), auth::permission::ALTER);
}
void drop_index_statement::validate(query_processor& qp, const service::client_state& state) const
{
// validated in lookup_indexed_table()
auto db = qp.db();
if (db.has_keyspace(keyspace())) {
auto schema = db.find_indexed_table(keyspace(), _index_name);
if (schema) {
_cf_name = schema->cf_name();
}
}
}
schema_ptr drop_index_statement::make_drop_idex_schema(query_processor& qp) const {
auto cfm = lookup_indexed_table(qp);
if (!cfm) {
return nullptr;
}
++_cql_stats->secondary_index_drops;
auto builder = schema_builder(cfm);
builder.without_index(_index_name);
return builder.build();
}
future<std::pair<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>>>
drop_index_statement::prepare_schema_mutations(query_processor& qp, api::timestamp_type ts) const {
::shared_ptr<cql_transport::event::schema_change> ret;
std::vector<mutation> m;
auto cfm = make_drop_idex_schema(qp);
if (cfm) {
m = co_await qp.get_migration_manager().prepare_column_family_update_announcement(cfm, false, {}, ts);
using namespace cql_transport;
ret = ::make_shared<event::schema_change>(event::schema_change::change_type::UPDATED,
event::schema_change::target_type::TABLE,
cfm->ks_name(),
cfm->cf_name());
}
co_return std::make_pair(std::move(ret), std::move(m));
}
std::unique_ptr<cql3::statements::prepared_statement>
drop_index_statement::prepare(data_dictionary::database db, cql_stats& stats) {
_cql_stats = &stats;
return std::make_unique<prepared_statement>(make_shared<drop_index_statement>(*this));
}
schema_ptr drop_index_statement::lookup_indexed_table(query_processor& qp) const
{
auto db = qp.db();
if (!db.has_keyspace(keyspace())) {
throw exceptions::keyspace_not_defined_exception(format("Keyspace {} does not exist", keyspace()));
}
auto cfm = db.find_indexed_table(keyspace(), _index_name);
if (cfm) {
return cfm;
}
if (_if_exists) {
return nullptr;
}
throw exceptions::invalid_request_exception(
format("Index '{}' could not be found in any of the tables of keyspace '{}'", _index_name, keyspace()));
}
}
}