lib/wsrep-lib
1
0
Fork 0
mirror of https://github.com/codership/wsrep-lib.git synced 2025-07-27 09:01:50 +03:00
Code Activity

Enhanced dbsim to store view and position in storage engine

Browse Source 
Mimic real DBMS implementation by storing view and position
into storage engine.
This commit is contained in:
Teemu Ollakka
2019-01-23 19:10:34 +02:00
parent 632f8c3b14
commit f30d9c06ce
8 changed files with 82 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
dbsim/db_storage_engine.hpp
View File

@ -39,6 +39,8 @@ namespace db
, transactions_()
, alg_freq_(params.alg_freq)
, bf_aborts_()
, position_()
, view_()
{ }
class transaction
@ -55,7 +57,7 @@ namespace db
bool active() const { return cc_ != nullptr; }
void start(client* cc);
void apply(const wsrep::transaction&);
void commit();
void commit(const wsrep::gtid&);
void rollback();
db::client* client() { return cc_; }
transaction(const transaction&) = delete;
@ -66,11 +68,18 @@ namespace db
};
void bf_abort_some(const wsrep::transaction& tc);
long long bf_aborts() const { return bf_aborts_; }
void store_position(const wsrep::gtid& gtid);
wsrep::gtid get_position() const;
void store_view(const wsrep::view& view);
wsrep::view get_view() const;
private:
void validate_position(const wsrep::gtid& gtid) const;
wsrep::default_mutex mutex_;
std::unordered_set<db::client*> transactions_;
size_t alg_freq_;
std::atomic<long long> bf_aborts_;
wsrep::gtid position_;
wsrep::view view_;
};
}