7dc0d068c0
The object is needed to get timestamp from attributes (in a case when the statement was prepared with parameter marker).
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
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* Copyright 2016-present ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
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*/
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#include <seastar/core/coroutine.hh>
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#include "cql3/statements/drop_view_statement.hh"
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#include "cql3/statements/prepared_statement.hh"
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#include "cql3/query_processor.hh"
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#include "service/migration_manager.hh"
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#include "service/storage_proxy.hh"
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#include "view_info.hh"
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#include "data_dictionary/data_dictionary.hh"
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namespace cql3 {
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namespace statements {
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drop_view_statement::drop_view_statement(cf_name view_name, bool if_exists)
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: schema_altering_statement{std::move(view_name), &timeout_config::truncate_timeout}
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, _if_exists{if_exists}
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{
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}
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future<> drop_view_statement::check_access(query_processor& qp, const service::client_state& state) const
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{
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try {
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const data_dictionary::database db = qp.db();
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auto&& s = db.find_schema(keyspace(), column_family());
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if (s->is_view()) {
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return state.has_column_family_access(keyspace(), s->view_info()->base_name(), auth::permission::ALTER);
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}
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} catch (const data_dictionary::no_such_column_family& e) {
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// Will be validated afterwards.
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}
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return make_ready_future<>();
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}
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future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>, cql3::cql_warnings_vec>>
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drop_view_statement::prepare_schema_mutations(query_processor& qp, const query_options&, api::timestamp_type ts) const {
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::shared_ptr<cql_transport::event::schema_change> ret;
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std::vector<mutation> m;
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try {
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m = co_await service::prepare_view_drop_announcement(qp.proxy(), keyspace(), column_family(), ts);
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using namespace cql_transport;
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ret = ::make_shared<event::schema_change>(
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event::schema_change::change_type::DROPPED,
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event::schema_change::target_type::TABLE,
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keyspace(),
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column_family());
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} catch (const exceptions::configuration_exception& e) {
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if (!_if_exists) {
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co_return coroutine::exception(std::current_exception());
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}
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}
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co_return std::make_tuple(std::move(ret), std::move(m), std::vector<sstring>());
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}
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std::unique_ptr<cql3::statements::prepared_statement>
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drop_view_statement::prepare(data_dictionary::database db, cql_stats& stats) {
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return std::make_unique<prepared_statement>(make_shared<drop_view_statement>(*this));
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}
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}
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}
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