7dc0d068c0
The object is needed to get timestamp from attributes (in a case when the statement was prepared with parameter marker).
119 lines
3.7 KiB
C++
119 lines
3.7 KiB
C++
/*
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* Copyright (C) 2017-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_index_statement.hh"
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#include "cql3/statements/prepared_statement.hh"
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#include "service/migration_manager.hh"
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#include "service/storage_proxy.hh"
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#include "schema/schema_builder.hh"
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#include "data_dictionary/data_dictionary.hh"
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#include "mutation/mutation.hh"
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#include "cql3/query_processor.hh"
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#include "cql3/index_name.hh"
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namespace cql3 {
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namespace statements {
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drop_index_statement::drop_index_statement(::shared_ptr<index_name> index_name, bool if_exists)
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: schema_altering_statement{index_name->get_cf_name(), &timeout_config::truncate_timeout}
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, _index_name{index_name->get_idx()}
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, _if_exists{if_exists}
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{
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}
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const sstring& drop_index_statement::column_family() const
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{
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return _cf_name ? *_cf_name :
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// otherwise -- the empty name stored by the superclass
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cf_statement::column_family();
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}
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future<> drop_index_statement::check_access(query_processor& qp, const service::client_state& state) const
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{
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auto cfm = lookup_indexed_table(qp);
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if (!cfm) {
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return make_ready_future<>();
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}
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return state.has_column_family_access(cfm->ks_name(), cfm->cf_name(), auth::permission::ALTER);
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}
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void drop_index_statement::validate(query_processor& qp, const service::client_state& state) const
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{
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// validated in lookup_indexed_table()
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auto db = qp.db();
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if (db.has_keyspace(keyspace())) {
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auto schema = db.find_indexed_table(keyspace(), _index_name);
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if (schema) {
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_cf_name = schema->cf_name();
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}
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}
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}
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schema_ptr drop_index_statement::make_drop_idex_schema(query_processor& qp) const {
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auto cfm = lookup_indexed_table(qp);
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if (!cfm) {
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return nullptr;
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}
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++_cql_stats->secondary_index_drops;
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auto builder = schema_builder(cfm);
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builder.without_index(_index_name);
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return builder.build();
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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_index_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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auto cfm = make_drop_idex_schema(qp);
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if (cfm) {
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m = co_await service::prepare_column_family_update_announcement(qp.proxy(), cfm, false, {}, ts);
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using namespace cql_transport;
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ret = ::make_shared<event::schema_change>(event::schema_change::change_type::UPDATED,
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event::schema_change::target_type::TABLE,
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cfm->ks_name(),
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cfm->cf_name());
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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_index_statement::prepare(data_dictionary::database db, cql_stats& stats) {
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_cql_stats = &stats;
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return std::make_unique<prepared_statement>(make_shared<drop_index_statement>(*this));
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}
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schema_ptr drop_index_statement::lookup_indexed_table(query_processor& qp) const
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{
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auto db = qp.db();
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if (!db.has_keyspace(keyspace())) {
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throw exceptions::keyspace_not_defined_exception(format("Keyspace {} does not exist", keyspace()));
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}
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auto cfm = db.find_indexed_table(keyspace(), _index_name);
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if (cfm) {
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return cfm;
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}
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if (_if_exists) {
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return nullptr;
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}
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throw exceptions::invalid_request_exception(
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format("Index '{}' could not be found in any of the tables of keyspace '{}'", _index_name, keyspace()));
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}
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}
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}
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