209 lines
8.8 KiB
C++
209 lines
8.8 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2015 ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "create_index_statement.hh"
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#include "validation.hh"
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#include "service/storage_proxy.hh"
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#include "service/migration_manager.hh"
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#include "schema.hh"
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#include "schema_builder.hh"
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cql3::statements::create_index_statement::create_index_statement(
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::shared_ptr<cf_name> name, ::shared_ptr<index_name> index_name,
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::shared_ptr<index_target::raw> raw_target,
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::shared_ptr<index_prop_defs> properties, bool if_not_exists)
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: schema_altering_statement(name), _index_name(index_name->get_idx()), _raw_target(
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raw_target), _properties(properties), _if_not_exists(
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if_not_exists) {
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}
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future<>
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cql3::statements::create_index_statement::check_access(const service::client_state& state) {
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return state.has_column_family_access(keyspace(), column_family(), auth::permission::ALTER);
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}
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void
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cql3::statements::create_index_statement::validate(distributed<service::storage_proxy>& proxy
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, const service::client_state& state)
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{
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auto schema = validation::validate_column_family(proxy.local().get_db().local(), keyspace(), column_family());
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if (schema->is_counter()) {
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throw exceptions::invalid_request_exception("Secondary indexes are not supported on counter tables");
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}
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// Added since we might as well fail fast if anyone is trying to insert java classes here...
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if (_properties->is_custom) {
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throw exceptions::invalid_request_exception("CUSTOM index not supported");
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}
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auto target = _raw_target->prepare(schema);
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auto cd = schema->get_column_definition(target->column->name());
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if (cd == nullptr) {
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throw exceptions::invalid_request_exception(sprint("No column definition found for column %s", *target->column));
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}
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bool is_map = dynamic_cast<const collection_type_impl *>(cd->type.get()) != nullptr
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&& dynamic_cast<const collection_type_impl *>(cd->type.get())->is_map();
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bool is_frozen_collection = cd->type->is_collection() && !cd->type->is_multi_cell();
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if (is_frozen_collection) {
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if (target->type != index_target::target_type::full) {
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throw exceptions::invalid_request_exception(
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sprint("Cannot create index on %s of frozen<map> column %s",
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index_target::index_option(target->type),
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*target->column));
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}
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} else {
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// validateNotFullIndex
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if (target->type == index_target::target_type::full) {
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throw exceptions::invalid_request_exception("full() indexes can only be created on frozen collections");
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}
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// validateIsValuesIndexIfTargetColumnNotCollection
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if (!cd->type->is_collection()
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&& target->type != index_target::target_type::values) {
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throw exceptions::invalid_request_exception(
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sprint(
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"Cannot create index on %s of column %s; only non-frozen collections support %s indexes",
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index_target::index_option(target->type),
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*target->column,
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index_target::index_option(target->type)));
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}
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// validateTargetColumnIsMapIfIndexInvolvesKeys
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if (target->type == index_target::target_type::keys
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|| target->type == index_target::target_type::keys_and_values) {
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if (!is_map) {
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throw exceptions::invalid_request_exception(
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sprint(
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"Cannot create index on %s of column %s with non-map type",
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index_target::index_option(target->type),
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*target->column));
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}
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}
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}
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if (cd->idx_info.index_type != ::index_type::none) {
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auto prev_type = index_target::from_column_definition(*cd);
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if (is_map && target->type != prev_type) {
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throw exceptions::invalid_request_exception(
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sprint(
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"Cannot create index on %s(%s): an index on %s(%s) already exists and indexing "
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"a map on more than one dimension at the same time is not currently supported",
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index_target::index_option(target->type),
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*target->column,
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index_target::index_option(prev_type),
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*target->column));
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}
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if (_if_not_exists) {
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return;
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} else {
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throw exceptions::invalid_request_exception("Index already exists");
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}
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}
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_properties->validate();
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// Origin TODO: we could lift that limitation
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if ((schema->is_dense() || !schema->thrift().has_compound_comparator()) && cd->kind != column_kind::regular_column) {
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throw exceptions::invalid_request_exception("Secondary indexes are not supported on PRIMARY KEY columns in COMPACT STORAGE tables");
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}
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// It would be possible to support 2ndary index on static columns (but not without modifications of at least ExtendedFilter and
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// CompositesIndex) and maybe we should, but that means a query like:
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// SELECT * FROM foo WHERE static_column = 'bar'
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// would pull the full partition every time the static column of partition is 'bar', which sounds like offering a
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// fair potential for foot-shooting, so I prefer leaving that to a follow up ticket once we have identified cases where
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// such indexing is actually useful.
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if (cd->is_static()) {
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throw exceptions::invalid_request_exception("Secondary indexes are not allowed on static columns");
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}
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if (cd->kind == column_kind::partition_key && cd->is_on_all_components()) {
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throw exceptions::invalid_request_exception(
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sprint(
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"Cannot create secondary index on partition key column %s",
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*target->column));
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}
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}
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future<bool>
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cql3::statements::create_index_statement::announce_migration(distributed<service::storage_proxy>& proxy, bool is_local_only) {
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throw std::runtime_error("Indexes are not supported yet");
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auto schema = proxy.local().get_db().local().find_schema(keyspace(), column_family());
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auto target = _raw_target->prepare(schema);
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schema_builder cfm(schema);
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auto* cd = schema->get_column_definition(target->column->name());
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index_info idx = cd->idx_info;
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if (idx.index_type != ::index_type::none && _if_not_exists) {
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return make_ready_future<bool>(false);
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}
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if (_properties->is_custom) {
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idx.index_type = index_type::custom;
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idx.index_options = _properties->get_options();
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} else if (schema->thrift().has_compound_comparator()) {
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index_options_map options;
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if (cd->type->is_collection() && cd->type->is_multi_cell()) {
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options[index_target::index_option(target->type)] = "";
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}
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idx.index_type = index_type::composites;
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idx.index_options = options;
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} else {
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idx.index_type = index_type::keys;
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idx.index_options = index_options_map();
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}
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idx.index_name = _index_name;
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cfm.add_default_index_names(proxy.local().get_db().local());
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return service::get_local_migration_manager().announce_column_family_update(
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cfm.build(), false, is_local_only).then([]() {
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return make_ready_future<bool>(true);
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});
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}
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