/// <summary>
/// Метод создающий журналы и триггеры
/// </summary>
public void OnStart()
{
if (!this._dbmMaster.IsConnected())
{
this.ConnectMaster(this._config.MaxDBErrorCount);
}
if (!this._dbmSlave.IsConnected())
{
this.ConnectSlave(this._config.MaxDBErrorCount);
}
this._dbmSlave.CreateDB();
this._dbmSlave.CreateSchema(this._config.SchemaName);
SqlDBStruct masterStruct = this._dbmMaster.GetDBInfo();
for (int i = 0; i < masterStruct.TablesCount; i++)
{
SqlTableStruct tempStruct = this._dbmMaster.GetTableInfo(masterStruct.SchemasNames[i], masterStruct.TablesNames[i]);
this._dbmSlave.CreateJournal(this._config.SchemaName, masterStruct.SchemasNames[i], masterStruct.TablesNames[i], tempStruct);
this._dbmMaster.CreateTriggerOnInsert(this._config.SchemaName, masterStruct.SchemasNames[i], masterStruct.TablesNames[i], this._config.SlaveDBName);
this._dbmMaster.CreateTriggerOnUpdate(this._config.SchemaName, masterStruct.SchemasNames[i], masterStruct.TablesNames[i], this._config.SlaveDBName);
this._dbmMaster.CreateTriggerOnDelete(this._config.SchemaName, masterStruct.SchemasNames[i], masterStruct.TablesNames[i], this._config.SlaveDBName);
this._dbmSlave.CreateSchema(masterStruct.SchemasNames[i]);
this._dbmSlave.CreateTable(masterStruct.SchemasNames[i], masterStruct.TablesNames[i], tempStruct);
this._dbmSlave.MergeTables(this._config.MasterDBName, masterStruct.SchemasNames[i], masterStruct.TablesNames[i], this._config.SlaveDBName, masterStruct.SchemasNames[i], masterStruct.TablesNames[i]);
}
}
/// <summary>
/// Запуск чтения всех журналов и обработка всех записей
/// </summary>
public void ReplicateAll()
{
if (!this._dbmMaster.IsConnected())
{
this.ConnectMaster(this._config.MaxDBErrorCount);
}
SqlDBStruct masterStruct = this._dbmMaster.GetDBInfo();
for (int i = 0; i < masterStruct.TablesCount; i++)
{
this.ReplicateOne(this._config.SchemaName, masterStruct.SchemasNames[i] + masterStruct.TablesNames[i], masterStruct.SchemasNames[i], masterStruct.TablesNames[i]);
}
}
/// <summary>
/// Получение информации о структуре базы данных
/// </summary>
/// <returns>
/// Названия таблиц, их идентификаторы и названия схем в которых расположены эти таблицы
/// </returns>
public SqlDBStruct GetDBInfo()
{
var result = this.RunQuery(@"USE " + this._dbName + @";
SELECT SS.name, SO.name, SO.object_id
FROM sys.objects AS SO
JOIN sys.schemas AS SS
ON SO.schema_id = SS.schema_id
WHERE type = 'U';");
SqlDBStruct retval = new SqlDBStruct();
retval.TablesCount = result.Count;
for (int i = 0; i < result.Count; i++)
{
retval.SchemasNames.Add(result[i].Values[0].ToString());
retval.TablesNames.Add(result[i].Values[1].ToString());
retval.ObjectsIDs.Add(result[i].Values[2].ToString());
}
return(retval);
}
/// <summary>
/// Получение информации о структуре базы данных
/// </summary>
/// <returns>
/// Названия таблиц, их идентификаторы и названия схем в которых расположены эти таблицы
/// </returns>
public SqlDBStruct GetDBInfo()
{
var result = this.RunQuery(@"USE " + this._dbName + @";
SELECT SS.name, SO.name, SO.object_id
FROM sys.objects AS SO
JOIN sys.schemas AS SS
ON SO.schema_id = SS.schema_id
WHERE type = 'U';");
SqlDBStruct retval = new SqlDBStruct();
retval.TablesCount = result.Count;
for (int i = 0; i < result.Count; i++)
{
retval.SchemasNames.Add(result[i].Values[0].ToString());
retval.TablesNames.Add(result[i].Values[1].ToString());
retval.ObjectsIDs.Add(result[i].Values[2].ToString());
}
return retval;
}
