Files
scylladb/db/schema_tables.hh
2015-08-10 14:44:50 +03:00

116 lines
5.2 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Modified by Cloudius Systems
* Copyright 2015 Cloudius Systems
*/
#pragma once
#include "service/storage_proxy.hh"
#include "mutation.hh"
#include "schema.hh"
#include <vector>
#include <map>
namespace query {
class result_set;
}
namespace db {
namespace schema_tables {
using schema_result = std::map<sstring, lw_shared_ptr<query::result_set>>;
static constexpr auto KEYSPACES = "schema_keyspaces";
static constexpr auto COLUMNFAMILIES = "schema_columnfamilies";
static constexpr auto COLUMNS = "schema_columns";
static constexpr auto TRIGGERS = "schema_triggers";
static constexpr auto USERTYPES = "schema_usertypes";
static constexpr auto FUNCTIONS = "schema_functions";
static constexpr auto AGGREGATES = "schema_aggregates";
extern std::vector<const char*> ALL;
std::vector<schema_ptr> all_tables();
future<> save_system_keyspace_schema();
future<utils::UUID> calculate_schema_digest(service::storage_proxy& proxy);
future<std::vector<frozen_mutation>> convert_schema_to_mutations(service::storage_proxy& proxy);
future<schema_result::value_type>
read_schema_partition_for_keyspace(service::storage_proxy& proxy, const sstring& schema_table_name, const sstring& keyspace_name);
future<> merge_schema(service::storage_proxy& proxy, std::vector<mutation> mutations);
future<> merge_schema(service::storage_proxy& proxy, std::vector<mutation> mutations, bool do_flush);
future<> do_merge_schema(service::storage_proxy& proxy, std::vector<mutation> mutations, bool do_flush);
future<std::set<sstring>> merge_keyspaces(service::storage_proxy& proxy, schema_result&& before, schema_result&& after);
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);
lw_shared_ptr<keyspace_metadata> create_keyspace_from_schema_partition(const schema_result::value_type& partition);
future<> merge_tables(service::storage_proxy& proxy, schema_result&& before, schema_result&& after);
lw_shared_ptr<keyspace_metadata> create_keyspace_from_schema_partition(const schema_result::value_type& partition);
mutation make_create_keyspace_mutation(lw_shared_ptr<keyspace_metadata> keyspace, api::timestamp_type timestamp, bool with_tables_and_types_and_functions = true);
std::vector<mutation> make_create_table_mutations(lw_shared_ptr<keyspace_metadata> keyspace, schema_ptr table, api::timestamp_type timestamp);
future<std::map<sstring, schema_ptr>> create_tables_from_tables_partition(service::storage_proxy& proxy, const schema_result::mapped_type& result);
void add_table_to_schema_mutation(schema_ptr table, api::timestamp_type timestamp, bool with_columns_and_triggers, const partition_key& pkey, std::vector<mutation>& mutations);
future<schema_ptr> create_table_from_name(service::storage_proxy& proxy, const sstring& keyspace, const sstring& table);
future<schema_ptr> create_table_from_table_row(service::storage_proxy& proxy, const query::result_set_row& row);
void create_table_from_table_row_and_column_rows(schema_builder& builder, const query::result_set_row& table_row, const schema_result::mapped_type& serialized_columns);
future<schema_ptr> create_table_from_table_partition(service::storage_proxy& proxy, lw_shared_ptr<query::result_set>&& partition);
std::vector<column_definition> create_columns_from_column_rows(const schema_result::mapped_type& rows,
const sstring& keyspace,
const sstring& table,/*,
AbstractType<?> rawComparator, */
bool is_super);
column_definition create_column_from_column_row(const query::result_set_row& row,
sstring keyspace,
sstring table, /*,
AbstractType<?> rawComparator, */
bool is_super);
void add_column_to_schema_mutation(schema_ptr table, const column_definition& column, api::timestamp_type timestamp, const partition_key& pkey, std::vector<mutation>& mutations);
sstring serialize_kind(column_kind kind);
column_kind deserialize_kind(sstring kind);
data_type parse_type(sstring str);
} // namespace schema_tables
} // namespace db