Files
scylladb/data_dictionary/data_dictionary.cc
Avi Kivity 69a385fd9d Introduce schema/ module
Schema related files are moved there. This excludes schema files that
also interact with mutations, because the mutation module depends on
the schema. Those files will have to go into a separate module.

Closes #12858
2023-02-15 11:01:50 +02:00

401 lines
12 KiB
C++

/*
* Copyright (C) 2021-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include "data_dictionary.hh"
#include "impl.hh"
#include "user_types_metadata.hh"
#include "keyspace_metadata.hh"
#include "schema/schema.hh"
#include "utils/overloaded_functor.hh"
#include "cql3/util.hh"
#include <fmt/core.h>
#include <ios>
#include <ostream>
#include <boost/range/adaptor/map.hpp>
#include <boost/range/adaptor/filtered.hpp>
#include <boost/algorithm/string/join.hpp>
#include <array>
namespace data_dictionary {
schema_ptr
table::schema() const {
return _ops->get_table_schema(*this);
}
const std::vector<view_ptr>&
table::views() const {
return _ops->get_table_views(*this);
}
const secondary_index::secondary_index_manager&
table::get_index_manager() const {
return _ops->get_index_manager(*this);
}
lw_shared_ptr<keyspace_metadata>
keyspace::metadata() const {
return _ops->get_keyspace_metadata(*this);
}
const user_types_metadata&
keyspace::user_types() const {
return metadata()->user_types();
}
bool
keyspace::is_internal() const {
return _ops->is_internal(*this);
}
const locator::abstract_replication_strategy&
keyspace::get_replication_strategy() const {
return _ops->get_replication_strategy(*this);
}
std::optional<keyspace>
database::try_find_keyspace(std::string_view name) const {
return _ops->try_find_keyspace(*this, name);
}
bool
database::has_keyspace(std::string_view name) const {
return bool(try_find_keyspace(name));
}
keyspace
database::find_keyspace(std::string_view name) const {
auto ks = try_find_keyspace(name);
if (!ks) {
throw no_such_keyspace(name);
}
return *ks;
}
std::vector<keyspace>
database::get_keyspaces() const {
return _ops->get_keyspaces(*this);
}
std::vector<sstring>
database::get_user_keyspaces() const {
return _ops->get_user_keyspaces(*this);
}
std::vector<sstring>
database::get_all_keyspaces() const {
return _ops->get_all_keyspaces(*this);
}
std::vector<table>
database::get_tables() const {
return _ops->get_tables(*this);
}
std::optional<table>
database::try_find_table(std::string_view ks, std::string_view table) const {
return _ops->try_find_table(*this, ks, table);
}
table
database::find_table(std::string_view ks, std::string_view table) const {
auto t = try_find_table(ks, table);
if (!t) {
throw no_such_column_family(ks, table);
}
return *t;
}
std::optional<table>
database::try_find_table(table_id id) const {
return _ops->try_find_table(*this, id);
}
table
database::find_column_family(table_id uuid) const {
auto t = try_find_table(uuid);
if (!t) {
throw no_such_column_family(uuid);
}
return *t;
}
schema_ptr
database::find_schema(std::string_view ks, std::string_view table) const {
return find_table(ks, table).schema();
}
schema_ptr
database::find_schema(table_id uuid) const {
return find_column_family(uuid).schema();
}
bool
database::has_schema(std::string_view ks_name, std::string_view cf_name) const {
return bool(try_find_table(ks_name, cf_name));
}
table
database::find_column_family(schema_ptr s) const {
return find_column_family(s->id());
}
schema_ptr
database::find_indexed_table(std::string_view ks_name, std::string_view index_name) const {
return _ops->find_indexed_table(*this, ks_name, index_name);
}
sstring
database::get_available_index_name(std::string_view ks_name, std::string_view table_name,
std::optional<sstring> index_name_root) const {
return _ops->get_available_index_name(*this, ks_name, table_name, index_name_root);
}
std::set<sstring>
database::existing_index_names(std::string_view ks_name, std::string_view cf_to_exclude) const {
return _ops->existing_index_names(*this, ks_name, cf_to_exclude);
}
schema_ptr
database::get_cdc_base_table(sstring_view ks_name, std::string_view table_name) const {
return get_cdc_base_table(*find_table(ks_name, table_name).schema());
}
schema_ptr
database::get_cdc_base_table(const schema& s) const {
return _ops->get_cdc_base_table(*this, s);
}
const db::extensions&
database::extensions() const {
return _ops->get_extensions(*this);
}
const gms::feature_service&
database::features() const {
return _ops->get_features(*this);
}
const db::config&
database::get_config() const {
return _ops->get_config(*this);
}
replica::database&
database::real_database() const {
return _ops->real_database(*this);
}
impl::~impl() = default;
keyspace_metadata::keyspace_metadata(std::string_view name,
std::string_view strategy_name,
locator::replication_strategy_config_options strategy_options,
bool durable_writes,
std::vector<schema_ptr> cf_defs)
: keyspace_metadata(name,
strategy_name,
std::move(strategy_options),
durable_writes,
std::move(cf_defs),
user_types_metadata{}) { }
keyspace_metadata::keyspace_metadata(std::string_view name,
std::string_view strategy_name,
locator::replication_strategy_config_options strategy_options,
bool durable_writes,
std::vector<schema_ptr> cf_defs,
user_types_metadata user_types)
: keyspace_metadata(name,
strategy_name,
std::move(strategy_options),
durable_writes,
std::move(cf_defs),
user_types_metadata{},
storage_options{}) { }
keyspace_metadata::keyspace_metadata(std::string_view name,
std::string_view strategy_name,
locator::replication_strategy_config_options strategy_options,
bool durable_writes,
std::vector<schema_ptr> cf_defs,
user_types_metadata user_types,
storage_options storage_opts)
: _name{name}
, _strategy_name{locator::abstract_replication_strategy::to_qualified_class_name(strategy_name.empty() ? "NetworkTopologyStrategy" : strategy_name)}
, _strategy_options{std::move(strategy_options)}
, _durable_writes{durable_writes}
, _user_types{std::move(user_types)}
, _storage_options{std::move(storage_opts)}
{
for (auto&& s : cf_defs) {
_cf_meta_data.emplace(s->cf_name(), s);
}
}
void keyspace_metadata::validate(const locator::topology& topology) const {
using namespace locator;
abstract_replication_strategy::validate_replication_strategy(name(), strategy_name(), strategy_options(), topology);
}
lw_shared_ptr<keyspace_metadata>
keyspace_metadata::new_keyspace(std::string_view name,
std::string_view strategy_name,
locator::replication_strategy_config_options options,
bool durables_writes,
std::vector<schema_ptr> cf_defs,
storage_options storage_opts)
{
return ::make_lw_shared<keyspace_metadata>(name, strategy_name, options, durables_writes, cf_defs, user_types_metadata{}, storage_opts);
}
void keyspace_metadata::add_user_type(const user_type ut) {
_user_types.add_type(ut);
}
void keyspace_metadata::remove_user_type(const user_type ut) {
_user_types.remove_type(ut);
}
std::vector<schema_ptr> keyspace_metadata::tables() const {
return boost::copy_range<std::vector<schema_ptr>>(_cf_meta_data
| boost::adaptors::map_values
| boost::adaptors::filtered([] (auto&& s) { return !s->is_view(); }));
}
std::vector<view_ptr> keyspace_metadata::views() const {
return boost::copy_range<std::vector<view_ptr>>(_cf_meta_data
| boost::adaptors::map_values
| boost::adaptors::filtered(std::mem_fn(&schema::is_view))
| boost::adaptors::transformed([] (auto&& s) { return view_ptr(s); }));
}
storage_options::value_type storage_options::from_map(std::string_view type, std::map<sstring, sstring> values) {
if (type == "LOCAL") {
if (!values.empty()) {
throw std::runtime_error("Local storage does not accept any custom options");
}
return local{};
}
if (type == "S3") {
s3 options;
const std::array<std::pair<sstring, sstring*>, 2> allowed_options {
std::make_pair("bucket", &options.bucket),
std::make_pair("endpoint", &options.endpoint),
};
for (auto& option : allowed_options) {
if (auto it = values.find(option.first); it != values.end()) {
*option.second = it->second;
} else {
throw std::runtime_error(format("Missing S3 option: {}", option.first));
}
}
if (values.size() > allowed_options.size()) {
throw std::runtime_error(format("Extraneous options for S3: {}; allowed: {}",
boost::algorithm::join(values | boost::adaptors::map_keys, ","),
boost::algorithm::join(allowed_options | boost::adaptors::map_keys, ",")));
}
return options;
}
throw std::runtime_error(format("Unknown storage type: {}", type));
}
std::string_view storage_options::type_string() const {
return std::visit(overloaded_functor {
[] (const storage_options::local&) {
return "LOCAL";
},
[] (const storage_options::s3&) {
return "S3";
}
}, value);
}
std::map<sstring, sstring> storage_options::to_map() const {
std::map<sstring, sstring> ret;
std::visit(overloaded_functor {
[] (const storage_options::local&) {
},
[&ret] (const storage_options::s3& v) {
ret.emplace("bucket", v.bucket);
ret.emplace("endpoint", v.endpoint);
}
}, value);
return ret;
}
bool storage_options::can_update_to(const storage_options& new_options) {
return value == new_options.value;
}
no_such_keyspace::no_such_keyspace(std::string_view ks_name)
: runtime_error{format("Can't find a keyspace {}", ks_name)}
{
}
no_such_column_family::no_such_column_family(const table_id& uuid)
: runtime_error{format("Can't find a column family with UUID {}", uuid)}
{
}
no_such_column_family::no_such_column_family(std::string_view ks_name, std::string_view cf_name)
: runtime_error{format("Can't find a column family {} in keyspace {}", cf_name, ks_name)}
{
}
no_such_column_family::no_such_column_family(std::string_view ks_name, const table_id& uuid)
: runtime_error{format("Can't find a column family with UUID {} in keyspace {}", uuid, ks_name)}
{
}
std::ostream& keyspace_metadata::describe(std::ostream& os) const {
os << "CREATE KEYSPACE " << cql3::util::maybe_quote(_name)
<< " WITH replication = {'class': " << cql3::util::single_quote(_strategy_name);
for (const auto& opt: _strategy_options) {
os << ", " << cql3::util::single_quote(opt.first) << ": " << cql3::util::single_quote(opt.second);
}
os << "} AND durable_writes = " << std::boolalpha << _durable_writes << std::noboolalpha << ";";
return os;
}
std::ostream& operator<<(std::ostream& os, const keyspace_metadata& m) {
os << "KSMetaData{";
os << "name=" << m._name;
os << ", strategyClass=" << m._strategy_name;
os << ", strategyOptions={";
int n = 0;
for (auto& p : m._strategy_options) {
if (n++ != 0) {
os << ", ";
}
os << p.first << "=" << p.second;
}
os << "}";
os << ", cfMetaData={";
n = 0;
for (auto& p : m._cf_meta_data) {
if (n++ != 0) {
os << ", ";
}
os << p.first << "=" << p.second;
}
os << "}";
os << ", durable_writes=" << m._durable_writes;
os << ", userTypes=" << m._user_types;
os << "}";
return os;
}
std::ostream& operator<<(std::ostream& os, const user_types_metadata& m) {
os << "org.apache.cassandra.config.UTMetaData@" << &m;
return os;
}
}