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dd75fe8ec0
This patch implements mutations for user defined types. Signed-off-by: Duarte Nunes <duarte@scylladb.com>
165 lines
7.2 KiB
C++
165 lines
7.2 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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* Modified by ScyllaDB
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* Copyright (C) 2015 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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#pragma once
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#include "service/storage_proxy.hh"
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#include "mutation.hh"
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#include "schema.hh"
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#include "hashing.hh"
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#include "schema_mutations.hh"
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#include <vector>
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#include <map>
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namespace query {
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class result_set;
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}
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namespace db {
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namespace schema_tables {
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using schema_result = std::map<sstring, lw_shared_ptr<query::result_set>>;
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using schema_result_value_type = std::pair<sstring, lw_shared_ptr<query::result_set>>;
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static constexpr auto KEYSPACES = "schema_keyspaces";
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static constexpr auto COLUMNFAMILIES = "schema_columnfamilies";
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static constexpr auto COLUMNS = "schema_columns";
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static constexpr auto TRIGGERS = "schema_triggers";
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static constexpr auto USERTYPES = "schema_usertypes";
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static constexpr auto FUNCTIONS = "schema_functions";
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static constexpr auto AGGREGATES = "schema_aggregates";
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extern std::vector<const char*> ALL;
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std::vector<schema_ptr> all_tables();
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future<> save_system_keyspace_schema();
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future<utils::UUID> calculate_schema_digest(distributed<service::storage_proxy>& proxy);
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future<std::vector<frozen_mutation>> convert_schema_to_mutations(distributed<service::storage_proxy>& proxy);
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future<schema_result_value_type>
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read_schema_partition_for_keyspace(distributed<service::storage_proxy>& proxy, const sstring& schema_table_name, const sstring& keyspace_name);
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future<> merge_schema(distributed<service::storage_proxy>& proxy, std::vector<mutation> mutations);
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future<> merge_schema(distributed<service::storage_proxy>& proxy, std::vector<mutation> mutations, bool do_flush);
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future<> do_merge_schema(distributed<service::storage_proxy>& proxy, std::vector<mutation> mutations, bool do_flush);
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future<std::set<sstring>> merge_keyspaces(distributed<service::storage_proxy>& proxy, schema_result&& before, schema_result&& after);
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std::vector<mutation> make_create_keyspace_mutations(lw_shared_ptr<keyspace_metadata> keyspace, api::timestamp_type timestamp, bool with_tables_and_types_and_functions = true);
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std::vector<mutation> make_drop_keyspace_mutations(lw_shared_ptr<keyspace_metadata> keyspace, api::timestamp_type timestamp);
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lw_shared_ptr<keyspace_metadata> create_keyspace_from_schema_partition(const schema_result_value_type& partition);
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std::vector<mutation> make_create_type_mutations(lw_shared_ptr<keyspace_metadata> keyspace, user_type type, api::timestamp_type timestamp);
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std::vector<user_type> create_types_from_schema_partition(const schema_result_value_type& result);
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std::vector<mutation> make_drop_type_mutations(lw_shared_ptr<keyspace_metadata> keyspace, user_type type, api::timestamp_type timestamp);
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void add_type_to_schema_mutation(user_type type, api::timestamp_type timestamp, std::vector<mutation>& mutations);
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std::vector<mutation> make_create_table_mutations(lw_shared_ptr<keyspace_metadata> keyspace, schema_ptr table, api::timestamp_type timestamp);
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std::vector<mutation> make_update_table_mutations(
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lw_shared_ptr<keyspace_metadata> keyspace,
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schema_ptr old_table,
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schema_ptr new_table,
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api::timestamp_type timestamp,
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bool from_thrift);
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schema_mutations make_table_mutations(schema_ptr table, api::timestamp_type timestamp, bool with_columns_and_triggers = true);
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future<std::map<sstring, schema_ptr>> create_tables_from_tables_partition(distributed<service::storage_proxy>& proxy, const schema_result::mapped_type& result);
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void add_table_to_schema_mutation(schema_ptr table, api::timestamp_type timestamp, bool with_columns_and_triggers, std::vector<mutation>& mutations);
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std::vector<mutation> make_drop_table_mutations(lw_shared_ptr<keyspace_metadata> keyspace, schema_ptr table, api::timestamp_type timestamp);
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future<schema_ptr> create_table_from_name(distributed<service::storage_proxy>& proxy, const sstring& keyspace, const sstring& table);
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future<schema_ptr> create_table_from_table_row(distributed<service::storage_proxy>& proxy, const query::result_set_row& row);
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schema_ptr create_table_from_mutations(schema_mutations, std::experimental::optional<table_schema_version> version = {});
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void drop_column_from_schema_mutation(schema_ptr table, const column_definition& column, long timestamp, std::vector<mutation>& mutations);
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std::vector<column_definition> create_columns_from_column_rows(const query::result_set& rows,
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const sstring& keyspace,
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const sstring& table,/*,
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AbstractType<?> rawComparator, */
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bool is_super);
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column_definition create_column_from_column_row(const query::result_set_row& row,
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sstring keyspace,
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sstring table, /*,
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AbstractType<?> rawComparator, */
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bool is_super);
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void add_column_to_schema_mutation(schema_ptr table, const column_definition& column, api::timestamp_type timestamp, mutation& mutation);
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sstring serialize_kind(column_kind kind);
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column_kind deserialize_kind(sstring kind);
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data_type parse_type(sstring str);
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schema_ptr columns();
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schema_ptr columnfamilies();
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template<typename Hasher>
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void feed_hash_for_schema_digest(Hasher& h, const mutation& m) {
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// Cassandra is skipping tombstones from digest calculation
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// to avoid disagreements due to tombstone GC.
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// See https://issues.apache.org/jira/browse/CASSANDRA-6862.
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// We achieve similar effect with compact_for_compaction().
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mutation m_compacted(m);
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m_compacted.partition().compact_for_compaction(*m.schema(), api::max_timestamp, gc_clock::time_point::max());
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feed_hash(h, m_compacted);
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}
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} // namespace schema_tables
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} // namespace db
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