public async Task <DTOperationData> QueryByID(string storeGroupName, string hashInfo, Guid id)
{
string strConn = _transactionConnectionFactory.CreateAllForDTOperationData();
var(connNames, tableName) = await getStoreInfo(storeGroupName, hashInfo);
if (connNames != null)
{
strConn = _transactionConnectionFactory.CreateAllForDTOperationData(connNames);
}
else
{
tableName = "DTOperationData";
}
DTOperationData data = null;
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, strConn, async (conn, transaction) =>
{
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
await using (SqlCommand commond = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran,
CommandText = string.Format(@"select {0} from {1} where [id]=@id", StoreHelper.GetDTOperationDataSelectFields(string.Empty), tableName)
})
{
var parameter = new SqlParameter("@id", SqlDbType.UniqueIdentifier)
{
Value = id
};
commond.Parameters.Add(parameter);
await commond.PrepareAsync();
SqlDataReader reader = null;
await using (reader = await commond.ExecuteReaderAsync())
{
if (await reader.ReadAsync())
{
data = new DTOperationData();
StoreHelper.SetDTOperationDataSelectFields(data, reader, string.Empty);
}
await reader.CloseAsync();
}
}
});
return(data);
}
public async Task QueryByRecordUniqueName(string storeGroupName, string hashInfo, string recordUniqueName, int status, Func <DTOperationData, Task> action)
{
string strConn = _transactionConnectionFactory.CreateAllForDTOperationData();
var(connNames, tableName) = await getStoreInfo(storeGroupName, hashInfo);
if (connNames != null)
{
strConn = _transactionConnectionFactory.CreateAllForDTOperationData(connNames);
}
else
{
tableName = "DTOperationData";
}
List <DTOperationData> dataList = new List <DTOperationData>();
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, strConn, async (conn, transaction) =>
{
Int64?sequence = null;
int pageSize = 500;
while (true)
{
dataList.Clear();
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
await using (SqlCommand commond = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran
})
{
if (!sequence.HasValue)
{
commond.CommandText = string.Format(@"select top (@pagesize) {0} from {1} where status=@status and recorduniquename=@recorduniquename order by [sequence]", StoreHelper.GetDTOperationDataSelectFields(string.Empty), tableName);
}
else
{
commond.CommandText = string.Format(@"select top (@pagesize) {0} from {1} where status=@status and recorduniquename=@recorduniquename and [sequence]>@sequence order by [sequence]", StoreHelper.GetDTOperationDataSelectFields(string.Empty), tableName);
}
var parameter = new SqlParameter("@status", SqlDbType.Int)
{
Value = status
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@recorduniquename", SqlDbType.VarChar, 150)
{
Value = recordUniqueName
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@pagesize", SqlDbType.Int)
{
Value = pageSize
};
commond.Parameters.Add(parameter);
if (sequence.HasValue)
{
parameter = new SqlParameter("@sequence", SqlDbType.BigInt)
{
Value = sequence
};
commond.Parameters.Add(parameter);
}
await commond.PrepareAsync();
SqlDataReader reader = null;
await using (reader = await commond.ExecuteReaderAsync())
{
while (await reader.ReadAsync())
{
var data = new DTOperationData();
StoreHelper.SetDTOperationDataSelectFields(data, reader, string.Empty);
sequence = (Int64)reader["sequence"];
dataList.Add(data);
}
await reader.CloseAsync();
}
}
foreach (var dataItem in dataList)
{
await action(dataItem);
}
if (dataList.Count != pageSize)
{
break;
}
}
});
}
