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[11046] Optimize and make more safe some transactions in InstanceSaveMgr.

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Signed-off-by: Ambal <pogrebniak@gala.net>
This commit is contained in:
Ambal 2011-01-19 22:25:12 +02:00
parent 631ce36680
commit f2a8606b93
2 changed files with 10 additions and 4 deletions
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12
src/game/InstanceSaveMgr.cpp
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@ -484,7 +484,7 @@ void InstanceSaveManager::_DelHelper(DatabaseType &db, const char *fields, const
db.escape_string(fieldValue);
ss << (i != 0 ? " AND " : "") << fieldTokens[i] << " = '" << fieldValue << "'";
}
db.DirectPExecute("DELETE FROM %s WHERE %s", table, ss.str().c_str());
db.PExecute("DELETE FROM %s WHERE %s", table, ss.str().c_str());
} while (result->NextRow());
delete result;
}
@ -498,6 +498,7 @@ void InstanceSaveManager::CleanupInstances()
// load reset times and clean expired instances
m_Scheduler.LoadResetTimes();
CharacterDatabase.BeginTransaction();
// clean character/group - instance binds with invalid group/characters
_DelHelper(CharacterDatabase, "character_instance.guid, instance", "character_instance", "LEFT JOIN characters ON character_instance.guid = characters.guid WHERE characters.guid IS NULL");
_DelHelper(CharacterDatabase, "group_instance.leaderGuid, instance", "group_instance", "LEFT JOIN characters ON group_instance.leaderGuid = characters.guid LEFT JOIN groups ON group_instance.leaderGuid = groups.leaderGuid WHERE characters.guid IS NULL OR groups.leaderGuid IS NULL");
@ -510,8 +511,10 @@ void InstanceSaveManager::CleanupInstances()
_DelHelper(CharacterDatabase, "group_instance.leaderGuid, instance", "group_instance", "LEFT JOIN instance ON group_instance.instance = instance.id WHERE instance.id IS NULL");
// clean unused respawn data
CharacterDatabase.DirectExecute("DELETE FROM creature_respawn WHERE instance <> 0 AND instance NOT IN (SELECT id FROM instance)");
CharacterDatabase.DirectExecute("DELETE FROM gameobject_respawn WHERE instance <> 0 AND instance NOT IN (SELECT id FROM instance)");
CharacterDatabase.Execute("DELETE FROM creature_respawn WHERE instance <> 0 AND instance NOT IN (SELECT id FROM instance)");
CharacterDatabase.Execute("DELETE FROM gameobject_respawn WHERE instance <> 0 AND instance NOT IN (SELECT id FROM instance)");
//execute transaction directly
CharacterDatabase.CommitTransactionDirect();
bar.step();
sLog.outString();
@ -550,6 +553,7 @@ void InstanceSaveManager::PackInstances()
{
if (*i != InstanceNumber)
{
CharacterDatabase.BeginTransaction();
// remap instance id
CharacterDatabase.PExecute("UPDATE creature_respawn SET instance = '%u' WHERE instance = '%u'", InstanceNumber, *i);
CharacterDatabase.PExecute("UPDATE gameobject_respawn SET instance = '%u' WHERE instance = '%u'", InstanceNumber, *i);
@ -557,6 +561,8 @@ void InstanceSaveManager::PackInstances()
CharacterDatabase.PExecute("UPDATE character_instance SET instance = '%u' WHERE instance = '%u'", InstanceNumber, *i);
CharacterDatabase.PExecute("UPDATE instance SET id = '%u' WHERE id = '%u'", InstanceNumber, *i);
CharacterDatabase.PExecute("UPDATE group_instance SET instance = '%u' WHERE instance = '%u'", InstanceNumber, *i);
//execute transaction synchronously
CharacterDatabase.CommitTransactionDirect();
}
++InstanceNumber;