mirror of
https://github.com/scylladb/scylladb.git
synced 2026-04-28 20:27:03 +00:00
48c11a01db
For simplicity partition data is stored using the same object which is used for mutations: mutation_partition. Later we can introduce a more efficient version.
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/*
|
|
* Copyright (C) 2014 Cloudius Systems, Ltd.
|
|
*/
|
|
|
|
#ifndef DATABASE_HH_
|
|
#define DATABASE_HH_
|
|
|
|
#include "core/sstring.hh"
|
|
#include "core/shared_ptr.hh"
|
|
#include "net/byteorder.hh"
|
|
#include "utils/UUID.hh"
|
|
#include "db_clock.hh"
|
|
#include "gc_clock.hh"
|
|
#include <functional>
|
|
#include <boost/any.hpp>
|
|
#include <cstdint>
|
|
#include <boost/variant.hpp>
|
|
#include <unordered_map>
|
|
#include <map>
|
|
#include <set>
|
|
#include <vector>
|
|
#include <iostream>
|
|
#include <boost/functional/hash.hpp>
|
|
#include <experimental/optional>
|
|
#include <string.h>
|
|
#include "types.hh"
|
|
#include "tuple.hh"
|
|
#include "core/future.hh"
|
|
#include "cql3/column_specification.hh"
|
|
#include <limits>
|
|
#include <cstddef>
|
|
#include "db/api.hh"
|
|
#include "schema.hh"
|
|
|
|
struct column_family;
|
|
|
|
struct column_family {
|
|
column_family(schema_ptr schema);
|
|
mutation_partition& find_or_create_partition(const bytes& key);
|
|
row& find_or_create_row(const bytes& partition_key, const bytes& clustering_key);
|
|
mutation_partition* find_partition(const bytes& key);
|
|
row* find_row(const bytes& partition_key, const bytes& clustering_key);
|
|
schema_ptr _schema;
|
|
// partition key -> partition
|
|
std::map<bytes, mutation_partition, key_compare> partitions;
|
|
void apply(const mutation& m);
|
|
};
|
|
|
|
class keyspace {
|
|
public:
|
|
std::unordered_map<sstring, column_family> column_families;
|
|
static future<keyspace> populate(sstring datadir);
|
|
schema_ptr find_schema(sstring cf_name);
|
|
};
|
|
|
|
class database {
|
|
public:
|
|
std::unordered_map<sstring, keyspace> keyspaces;
|
|
static future<database> populate(sstring datadir);
|
|
keyspace* find_keyspace(sstring name);
|
|
};
|
|
|
|
|
|
#endif /* DATABASE_HH_ */
|