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102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
/*
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* Copyright (C) 2015-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: (LicenseRef-ScyllaDB-Source-Available-1.1 and Apache-2.0)
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*/
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#include <seastar/core/coroutine.hh>
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#include <tuple>
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#include "cql3/statements/schema_altering_statement.hh"
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#include "locator/abstract_replication_strategy.hh"
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#include "data_dictionary/data_dictionary.hh"
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#include "cql3/query_processor.hh"
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#include "service/raft/raft_group0_client.hh"
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namespace cql3 {
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namespace statements {
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static logging::logger logger("schema_altering_statement");
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schema_altering_statement::schema_altering_statement(timeout_config_selector timeout_selector)
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: cf_statement(cf_name())
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, cql_statement_no_metadata(timeout_selector)
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, _is_column_family_level{false} {
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}
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schema_altering_statement::schema_altering_statement(cf_name name, timeout_config_selector timeout_selector)
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: cf_statement{std::move(name)}
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, cql_statement_no_metadata(timeout_selector)
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, _is_column_family_level{true} {
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}
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bool schema_altering_statement::needs_guard(query_processor&, service::query_state&) const {
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return true;
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}
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future<> schema_altering_statement::grant_permissions_to_creator(const service::client_state&, service::group0_batch&) const {
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return make_ready_future<>();
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}
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bool schema_altering_statement::depends_on(std::string_view ks_name, std::optional<std::string_view> cf_name) const
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{
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return false;
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}
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uint32_t schema_altering_statement::get_bound_terms() const
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{
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return 0;
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}
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void schema_altering_statement::prepare_keyspace(const service::client_state& state)
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{
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if (_is_column_family_level) {
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cf_statement::prepare_keyspace(state);
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}
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}
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future<::shared_ptr<messages::result_message>>
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schema_altering_statement::execute(query_processor& qp, service::query_state& state, const query_options& options, std::optional<service::group0_guard> guard) const {
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bool internal = state.get_client_state().is_internal();
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if (internal) {
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auto replication_type = locator::replication_strategy_type::everywhere_topology;
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data_dictionary::database db = qp.db();
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if (_cf_name && _cf_name->has_keyspace()) {
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const auto& ks = db.find_keyspace(_cf_name->get_keyspace());
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replication_type = ks.get_replication_strategy().get_type();
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}
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if (replication_type != locator::replication_strategy_type::local) {
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sstring info = _cf_name ? _cf_name->to_string() : "schema";
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throw std::logic_error(format("Attempted to modify {} via internal query: such schema changes are not propagated and thus illegal", info));
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}
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}
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service::group0_batch mc{std::move(guard)};
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auto result = co_await qp.execute_schema_statement(*this, state, options, mc);
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co_await qp.announce_schema_statement(*this, mc);
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co_return std::move(result);
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}
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future<std::tuple<::shared_ptr<schema_altering_statement::event_t>, utils::chunked_vector<mutation>, cql3::cql_warnings_vec>> schema_altering_statement::prepare_schema_mutations(query_processor& qp, const query_options& options, api::timestamp_type) const {
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// derived class must implement one of prepare_schema_mutations overloads
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on_internal_error(logger, "not implemented");
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co_return std::make_tuple(::shared_ptr<event_t>(nullptr), utils::chunked_vector<mutation>{}, cql3::cql_warnings_vec{});
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}
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future<std::tuple<::shared_ptr<schema_altering_statement::event_t>, 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 {
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auto [ret, muts, cql_warnings] = co_await prepare_schema_mutations(qp, options, mc.write_timestamp());
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mc.add_mutations(std::move(muts));
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co_return std::make_tuple(ret, cql_warnings);
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}
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audit::statement_category schema_altering_statement::category() const {
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return audit::statement_category::DDL;
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}
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}
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}
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