/// <summary>
/// 根据type和Key查询
/// </summary>
/// <param name="type"></param>
/// <param name="key"></param>
/// <returns></returns>
public async Task <WorkflowResource> QueryByKey(string type, string key)
{
var dbInfo = await StoreInfoHelper.GetHashStoreInfo(_storeInfoResolveService, _hashGroupRepository, _hashGroupName, type, key);
if (!dbInfo.TableNames.TryGetValue(HashEntityNames.WorkflowResource, out string tableName))
{
var fragment = new TextFragment()
{
Code = TextCodes.NotFoundKeyInHashNodeKeyInfo,
DefaultFormatting = "哈希组{0}中的哈希节点关键信息中找不到键值{1}",
ReplaceParameters = new List <object>()
{
_hashGroupName, HashEntityNames.WorkflowResource
}
};
throw new UtilityException((int)Errors.NotFoundKeyInHashNodeKeyInfo, fragment);
}
WorkflowResource result = null;
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, dbInfo.DBConnectionNames.Read, async (conn, transaction) =>
{
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
await using (var command = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran,
CommandText = string.Format(@"SELECT {0}
FROM {1}
WHERE [type] = @type
AND [key] = @key
ORDER BY createtime DESC ", StoreHelper.GetWorkflowResourceStoreSelectFields(string.Empty),
tableName)
})
{
var parameter = new SqlParameter("@type", SqlDbType.NVarChar, 256)
{
Value = type
};
command.Parameters.Add(parameter);
parameter = new SqlParameter("@key", SqlDbType.NVarChar, 256)
{
Value = key
};
command.Parameters.Add(parameter);
await command.PrepareAsync();
SqlDataReader reader = null;
await using (reader = await command.ExecuteReaderAsync())
{
if (await reader.ReadAsync())
{
result = new WorkflowResource();
StoreHelper.SetWorkflowResourceStoreSelectFields(result, reader, string.Empty);
}
reader.Close();
}
}
});
return(result);
}
